./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ --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 59f8de3095dec84b471ea17a2f8054509a628ca6c3fce9f023768548ca2b0891 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:35:48,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:35:48,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:35:48,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:35:48,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:35:48,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:35:48,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:35:48,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:35:48,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:35:48,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:35:48,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:35:48,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:35:48,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:35:48,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:35:48,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:35:48,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:35:48,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:35:48,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:35:48,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:35:48,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:35:48,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:35:48,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:35:48,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:35:48,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:35:48,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:35:48,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:35:48,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:35:48,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:35:48,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:35:48,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:35:48,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:35:48,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:35:48,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:35:48,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:35:48,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:35:48,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:35:48,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:35:48,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:35:48,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:35:48,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:35:48,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:35:48,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 01:35:48,387 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:35:48,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:35:48,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:35:48,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:35:48,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:35:48,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:35:48,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:35:48,390 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:35:48,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:35:48,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:35:48,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:35:48,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:35:48,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:35:48,392 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 01:35:48,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:35:48,392 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:35:48,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:35:48,393 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:35:48,393 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:35:48,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:35:48,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:35:48,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:35:48,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:35:48,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:35:48,395 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:35:48,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:35:48,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:35:48,395 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_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59f8de3095dec84b471ea17a2f8054509a628ca6c3fce9f023768548ca2b0891 [2021-11-23 01:35:48,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:35:48,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:35:48,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:35:48,791 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:35:48,793 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:35:48,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2021-11-23 01:35:48,876 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ/data/f80531933/8e8d2aceedef42449087b4203550cc95/FLAG9f0173c1a [2021-11-23 01:35:49,548 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:35:49,548 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2021-11-23 01:35:49,561 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ/data/f80531933/8e8d2aceedef42449087b4203550cc95/FLAG9f0173c1a [2021-11-23 01:35:49,920 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ/data/f80531933/8e8d2aceedef42449087b4203550cc95 [2021-11-23 01:35:49,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:35:49,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:35:49,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:35:49,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:35:49,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:35:49,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:49" (1/1) ... [2021-11-23 01:35:49,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b8baf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:49, skipping insertion in model container [2021-11-23 01:35:49,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:49" (1/1) ... [2021-11-23 01:35:49,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:35:49,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:35:50,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:35:50,176 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:35:50,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:35:50,242 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:35:50,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:50 WrapperNode [2021-11-23 01:35:50,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:35:50,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:35:50,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:35:50,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:35:50,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:50" (1/1) ... [2021-11-23 01:35:50,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:50" (1/1) ... [2021-11-23 01:35:50,280 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2021-11-23 01:35:50,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:35:50,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:35:50,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:35:50,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:35:50,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:50" (1/1) ... [2021-11-23 01:35:50,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:50" (1/1) ... [2021-11-23 01:35:50,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:50" (1/1) ... [2021-11-23 01:35:50,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:50" (1/1) ... [2021-11-23 01:35:50,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:50" (1/1) ... [2021-11-23 01:35:50,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:50" (1/1) ... [2021-11-23 01:35:50,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:50" (1/1) ... [2021-11-23 01:35:50,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:35:50,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:35:50,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:35:50,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:35:50,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:50" (1/1) ... [2021-11-23 01:35:50,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:35:50,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:35:50,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:35:50,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:35:50,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:35:50,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:35:50,485 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:35:50,487 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:35:50,659 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:35:50,689 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:35:50,689 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:35:50,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:50 BoogieIcfgContainer [2021-11-23 01:35:50,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:35:50,708 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:35:50,708 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:35:50,722 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:35:50,734 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:50" (1/1) ... [2021-11-23 01:35:50,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:35:50,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:50,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-23 01:35:50,815 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-23 01:35:50,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:35:50,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:50,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:51,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:51,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:51,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2021-11-23 01:35:51,114 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2021-11-23 01:35:51,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:35:51,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:51,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:51,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:51,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:51,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-11-23 01:35:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-11-23 01:35:51,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:35:51,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:51,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:51,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:51,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:51,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-23 01:35:51,543 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-23 01:35:51,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:35:51,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:51,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:51,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:51,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:51,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2021-11-23 01:35:51,715 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2021-11-23 01:35:51,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:35:51,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:51,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:51,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:35:52,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:52,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2021-11-23 01:35:52,262 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2021-11-23 01:35:52,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:35:52,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:52,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:52,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:35:52,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:52,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2021-11-23 01:35:52,857 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2021-11-23 01:35:52,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:35:52,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:52,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:52,931 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:35:53,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:53,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 98 transitions. [2021-11-23 01:35:53,711 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2021-11-23 01:35:53,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:35:53,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:53,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:53,746 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:35:54,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 57 states and 104 transitions. [2021-11-23 01:35:54,108 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2021-11-23 01:35:54,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:35:54,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:54,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:54,214 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:35:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:54,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 61 states and 114 transitions. [2021-11-23 01:35:54,887 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2021-11-23 01:35:54,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:35:54,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:54,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:54,953 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:35:55,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:55,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 62 states and 115 transitions. [2021-11-23 01:35:55,280 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 115 transitions. [2021-11-23 01:35:55,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:35:55,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:55,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:35:55,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 66 states and 122 transitions. [2021-11-23 01:35:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 122 transitions. [2021-11-23 01:35:55,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:35:55,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:55,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:55,687 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:35:55,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 67 states and 123 transitions. [2021-11-23 01:35:55,961 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 123 transitions. [2021-11-23 01:35:55,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:35:55,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:55,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:56,008 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:35:56,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:56,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 68 states and 123 transitions. [2021-11-23 01:35:56,182 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 123 transitions. [2021-11-23 01:35:56,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:35:56,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:56,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:56,204 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:35:56,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:56,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 69 states and 123 transitions. [2021-11-23 01:35:56,385 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 123 transitions. [2021-11-23 01:35:56,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:35:56,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:56,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:56,420 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:35:56,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:56,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 72 states and 128 transitions. [2021-11-23 01:35:56,824 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 128 transitions. [2021-11-23 01:35:56,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:35:56,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:56,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:56,886 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:35:57,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:57,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 80 states and 149 transitions. [2021-11-23 01:35:57,445 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 149 transitions. [2021-11-23 01:35:57,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:35:57,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:57,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:35:57,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:57,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 81 states and 149 transitions. [2021-11-23 01:35:57,620 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 149 transitions. [2021-11-23 01:35:57,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:35:57,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:57,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:57,642 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:35:57,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:57,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 82 states and 150 transitions. [2021-11-23 01:35:57,958 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 150 transitions. [2021-11-23 01:35:57,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:35:57,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:57,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:58,010 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:35:58,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:58,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 90 states and 161 transitions. [2021-11-23 01:35:58,413 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 161 transitions. [2021-11-23 01:35:58,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:35:58,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:58,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:35:58,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:58,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 94 states and 169 transitions. [2021-11-23 01:35:58,877 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 169 transitions. [2021-11-23 01:35:58,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:35:58,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:58,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:58,901 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:35:59,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:59,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 99 states and 177 transitions. [2021-11-23 01:35:59,590 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 177 transitions. [2021-11-23 01:35:59,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:35:59,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:59,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:59,607 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:35:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:59,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 99 states and 176 transitions. [2021-11-23 01:35:59,785 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 176 transitions. [2021-11-23 01:35:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:35:59,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:59,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:59,832 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:35:59,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:59,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 99 states and 175 transitions. [2021-11-23 01:35:59,948 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 175 transitions. [2021-11-23 01:35:59,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:35:59,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:59,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:59,971 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:36:00,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:00,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 100 states and 175 transitions. [2021-11-23 01:36:00,188 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 175 transitions. [2021-11-23 01:36:00,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:36:00,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:00,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:00,227 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:36:00,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:00,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 103 states and 180 transitions. [2021-11-23 01:36:00,603 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 180 transitions. [2021-11-23 01:36:00,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:36:00,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:00,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:00,768 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:36:03,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:03,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 126 states and 223 transitions. [2021-11-23 01:36:03,148 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 223 transitions. [2021-11-23 01:36:03,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:36:03,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:03,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 01:36:03,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:03,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 130 states and 229 transitions. [2021-11-23 01:36:03,616 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 229 transitions. [2021-11-23 01:36:03,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:36:03,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:03,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:03,642 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:36:03,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:03,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 129 states and 227 transitions. [2021-11-23 01:36:03,959 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 227 transitions. [2021-11-23 01:36:03,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:36:03,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:03,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:03,992 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 01:36:04,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:04,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 133 states and 234 transitions. [2021-11-23 01:36:04,440 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 234 transitions. [2021-11-23 01:36:04,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:36:04,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:04,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:04,461 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 01:36:05,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:05,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 141 states and 248 transitions. [2021-11-23 01:36:05,703 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 248 transitions. [2021-11-23 01:36:05,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:36:05,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:05,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:05,743 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 01:36:05,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:05,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 140 states and 238 transitions. [2021-11-23 01:36:05,995 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 238 transitions. [2021-11-23 01:36:05,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:36:05,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:05,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:06,015 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:36:07,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:07,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 146 states and 248 transitions. [2021-11-23 01:36:07,112 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 248 transitions. [2021-11-23 01:36:07,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:36:07,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:07,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:07,138 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 01:36:07,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:07,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 149 states and 253 transitions. [2021-11-23 01:36:07,802 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 253 transitions. [2021-11-23 01:36:07,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:36:07,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:07,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:07,819 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 01:36:07,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:07,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 148 states and 251 transitions. [2021-11-23 01:36:07,946 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 251 transitions. [2021-11-23 01:36:07,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:36:07,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:07,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:07,966 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-23 01:36:08,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:08,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 149 states and 251 transitions. [2021-11-23 01:36:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 251 transitions. [2021-11-23 01:36:08,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:36:08,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:08,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:08,319 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-23 01:36:08,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:08,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 150 states and 251 transitions. [2021-11-23 01:36:08,606 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 251 transitions. [2021-11-23 01:36:08,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:36:08,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:08,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:08,624 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-23 01:36:09,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:09,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 153 states and 254 transitions. [2021-11-23 01:36:09,099 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 254 transitions. [2021-11-23 01:36:09,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:36:09,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:09,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:09,118 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-23 01:36:09,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:09,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 159 states and 263 transitions. [2021-11-23 01:36:09,821 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 263 transitions. [2021-11-23 01:36:09,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:36:09,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:09,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:09,841 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 01:36:10,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:10,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 162 states and 268 transitions. [2021-11-23 01:36:10,537 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 268 transitions. [2021-11-23 01:36:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:36:10,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:10,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:10,570 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-23 01:36:10,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:10,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 163 states and 268 transitions. [2021-11-23 01:36:10,738 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 268 transitions. [2021-11-23 01:36:10,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:36:10,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:10,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:10,765 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-23 01:36:11,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:11,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 162 states and 266 transitions. [2021-11-23 01:36:11,062 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 266 transitions. [2021-11-23 01:36:11,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:36:11,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:11,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:11,079 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-23 01:36:12,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:12,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 168 states and 274 transitions. [2021-11-23 01:36:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 274 transitions. [2021-11-23 01:36:12,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:36:12,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:12,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:12,310 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 01:36:13,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:13,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2021-11-23 01:36:13,100 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2021-11-23 01:36:13,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:36:13,101 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2021-11-23 01:36:13,120 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-11-23 01:36:14,036 INFO L560 CodeCheckObserver]: Invariant with dag size 32 [2021-11-23 01:36:14,052 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:36:14,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:36:14 ImpRootNode [2021-11-23 01:36:14,053 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:36:14,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:36:14,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:36:14,054 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:36:14,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:50" (3/4) ... [2021-11-23 01:36:14,059 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:36:14,069 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-23 01:36:14,070 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 01:36:14,070 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:36:14,114 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:36:14,114 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:36:14,115 INFO L158 Benchmark]: Toolchain (without parser) took 24190.07ms. Allocated memory was 98.6MB in the beginning and 270.5MB in the end (delta: 172.0MB). Free memory was 67.0MB in the beginning and 189.9MB in the end (delta: -122.8MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2021-11-23 01:36:14,116 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:36:14,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.91ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 67.0MB in the beginning and 104.2MB in the end (delta: -37.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:36:14,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.68ms. Allocated memory is still 127.9MB. Free memory was 104.2MB in the beginning and 103.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:36:14,118 INFO L158 Benchmark]: Boogie Preprocessor took 27.69ms. Allocated memory is still 127.9MB. Free memory was 103.0MB in the beginning and 102.1MB in the end (delta: 905.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:36:14,119 INFO L158 Benchmark]: RCFGBuilder took 393.88ms. Allocated memory is still 127.9MB. Free memory was 102.1MB in the beginning and 93.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:36:14,120 INFO L158 Benchmark]: CodeCheck took 23345.58ms. Allocated memory was 127.9MB in the beginning and 270.5MB in the end (delta: 142.6MB). Free memory was 92.6MB in the beginning and 191.9MB in the end (delta: -99.3MB). Peak memory consumption was 138.2MB. Max. memory is 16.1GB. [2021-11-23 01:36:14,121 INFO L158 Benchmark]: Witness Printer took 60.65ms. Allocated memory is still 270.5MB. Free memory was 191.9MB in the beginning and 189.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:36:14,124 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 22.3s, OverallIterations: 44, 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, 6896 SdHoareTripleChecker+Valid, 37.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6519 mSDsluCounter, 1314 SdHoareTripleChecker+Invalid, 31.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1058 mSDsCounter, 5234 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25614 IncrementalHoareTripleChecker+Invalid, 30848 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5234 mSolverCounterUnsat, 256 mSDtfsCounter, 25614 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8634 GetRequests, 7595 SyntacticMatches, 623 SemanticMatches, 416 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87327 ImplicationChecksByTransitivity, 18.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 962 NumberOfCodeBlocks, 962 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 919 ConstructedInterpolants, 0 QuantifiedInterpolants, 2589 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 15 PerfectInterpolantSequences, 1242/1722 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: 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 - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((((n <= 2147483647 && 1 < i) && i <= 2147483646) && 1 <= m) && m <= 2147483647) && 1 < j) || (((((n <= 2147483647 && j + 1 <= m) && 1 < i) && i <= 2147483646) && 0 < j) && m <= 2147483647)) || (((((n <= 2147483647 && 0 < i) && 1 <= m) && 0 < j) && i <= 1) && m <= 2147483647)) || (((((j <= 1 && n <= 2147483647) && m < j + 1) && 1 < i) && i <= 2147483646) && 1 <= m)) || (((((n <= 2147483647 && j + 1 <= m) && 0 <= j) && 0 <= i) && m <= 2147483647) && j <= 0)) || (((((n <= 2147483647 && i <= 0) && 1 <= m) && 0 < j) && 0 <= i) && m <= 2147483647) - 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 0.30ms. Allocated memory is still 98.6MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.91ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 67.0MB in the beginning and 104.2MB in the end (delta: -37.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.68ms. Allocated memory is still 127.9MB. Free memory was 104.2MB in the beginning and 103.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.69ms. Allocated memory is still 127.9MB. Free memory was 103.0MB in the beginning and 102.1MB in the end (delta: 905.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 393.88ms. Allocated memory is still 127.9MB. Free memory was 102.1MB in the beginning and 93.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 23345.58ms. Allocated memory was 127.9MB in the beginning and 270.5MB in the end (delta: 142.6MB). Free memory was 92.6MB in the beginning and 191.9MB in the end (delta: -99.3MB). Peak memory consumption was 138.2MB. Max. memory is 16.1GB. * Witness Printer took 60.65ms. Allocated memory is still 270.5MB. Free memory was 191.9MB in the beginning and 189.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:36:14,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af314510-aeb3-474d-8a5d-204d668ca1d3/bin/ukojak-LBtLqBUTdQ/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