./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c74844-c8dc-45bc-b279-be3eb51b6224/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c74844-c8dc-45bc-b279-be3eb51b6224/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_e3c74844-c8dc-45bc-b279-be3eb51b6224/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c74844-c8dc-45bc-b279-be3eb51b6224/bin/ukojak-d1pc8ZmBRL/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_e3c74844-c8dc-45bc-b279-be3eb51b6224/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_e3c74844-c8dc-45bc-b279-be3eb51b6224/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 59f8de3095dec84b471ea17a2f8054509a628ca6c3fce9f023768548ca2b0891 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 08:11:14,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 08:11:14,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 08:11:14,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 08:11:14,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 08:11:14,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 08:11:14,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 08:11:14,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 08:11:14,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 08:11:14,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 08:11:14,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 08:11:14,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 08:11:14,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 08:11:14,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 08:11:14,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 08:11:14,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 08:11:14,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 08:11:14,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 08:11:14,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 08:11:14,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 08:11:14,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 08:11:14,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 08:11:14,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 08:11:14,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 08:11:14,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 08:11:14,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 08:11:14,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 08:11:14,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 08:11:14,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 08:11:14,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 08:11:14,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 08:11:14,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 08:11:14,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 08:11:14,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 08:11:14,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 08:11:14,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 08:11:14,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 08:11:14,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 08:11:14,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 08:11:14,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 08:11:14,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 08:11:14,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c74844-c8dc-45bc-b279-be3eb51b6224/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-25 08:11:14,959 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 08:11:14,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 08:11:14,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 08:11:14,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 08:11:14,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 08:11:14,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 08:11:14,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 08:11:14,962 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 08:11:14,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 08:11:14,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 08:11:14,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 08:11:14,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 08:11:14,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 08:11:14,963 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 08:11:14,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 08:11:14,964 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 08:11:14,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 08:11:14,964 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 08:11:14,964 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 08:11:14,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 08:11:14,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:11:14,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 08:11:14,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 08:11:14,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 08:11:14,966 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 08:11:14,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 08:11:14,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 08:11:14,966 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_e3c74844-c8dc-45bc-b279-be3eb51b6224/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c74844-c8dc-45bc-b279-be3eb51b6224/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59f8de3095dec84b471ea17a2f8054509a628ca6c3fce9f023768548ca2b0891 [2021-11-25 08:11:15,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 08:11:15,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 08:11:15,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 08:11:15,259 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 08:11:15,260 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 08:11:15,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c74844-c8dc-45bc-b279-be3eb51b6224/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2021-11-25 08:11:15,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c74844-c8dc-45bc-b279-be3eb51b6224/bin/ukojak-d1pc8ZmBRL/data/6c47a9d5a/06a4a75282884a75941f8832f2c205e6/FLAG9a8ba2035 [2021-11-25 08:11:15,772 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 08:11:15,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c74844-c8dc-45bc-b279-be3eb51b6224/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2021-11-25 08:11:15,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c74844-c8dc-45bc-b279-be3eb51b6224/bin/ukojak-d1pc8ZmBRL/data/6c47a9d5a/06a4a75282884a75941f8832f2c205e6/FLAG9a8ba2035 [2021-11-25 08:11:16,188 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c74844-c8dc-45bc-b279-be3eb51b6224/bin/ukojak-d1pc8ZmBRL/data/6c47a9d5a/06a4a75282884a75941f8832f2c205e6 [2021-11-25 08:11:16,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 08:11:16,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 08:11:16,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 08:11:16,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 08:11:16,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 08:11:16,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:11:16" (1/1) ... [2021-11-25 08:11:16,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c35fba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:16, skipping insertion in model container [2021-11-25 08:11:16,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:11:16" (1/1) ... [2021-11-25 08:11:16,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 08:11:16,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 08:11:16,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:11:16,368 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 08:11:16,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:11:16,409 INFO L208 MainTranslator]: Completed translation [2021-11-25 08:11:16,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:16 WrapperNode [2021-11-25 08:11:16,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 08:11:16,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 08:11:16,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 08:11:16,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 08:11:16,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:16" (1/1) ... [2021-11-25 08:11:16,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:16" (1/1) ... [2021-11-25 08:11:16,439 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2021-11-25 08:11:16,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 08:11:16,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 08:11:16,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 08:11:16,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 08:11:16,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:16" (1/1) ... [2021-11-25 08:11:16,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:16" (1/1) ... [2021-11-25 08:11:16,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:16" (1/1) ... [2021-11-25 08:11:16,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:16" (1/1) ... [2021-11-25 08:11:16,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:16" (1/1) ... [2021-11-25 08:11:16,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:16" (1/1) ... [2021-11-25 08:11:16,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:16" (1/1) ... [2021-11-25 08:11:16,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 08:11:16,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 08:11:16,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 08:11:16,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 08:11:16,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:16" (1/1) ... [2021-11-25 08:11:16,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:11:16,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c74844-c8dc-45bc-b279-be3eb51b6224/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 08:11:16,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c74844-c8dc-45bc-b279-be3eb51b6224/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 08:11:16,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c74844-c8dc-45bc-b279-be3eb51b6224/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 08:11:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 08:11:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 08:11:16,600 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 08:11:16,602 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 08:11:16,674 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 08:11:16,691 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 08:11:16,691 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 08:11:16,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:11:16 BoogieIcfgContainer [2021-11-25 08:11:16,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 08:11:16,695 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 08:11:16,695 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 08:11:16,705 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 08:11:16,705 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:11:16" (1/1) ... [2021-11-25 08:11:16,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 08:11:16,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:16,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-25 08:11:16,769 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-25 08:11:16,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 08:11:16,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:16,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:16,934 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 08:11:17,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:17,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2021-11-25 08:11:17,012 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2021-11-25 08:11:17,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 08:11:17,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:17,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:17,074 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 08:11:17,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:17,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-11-25 08:11:17,208 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-11-25 08:11:17,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 08:11:17,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:17,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:17,251 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 08:11:17,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:17,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-25 08:11:17,447 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-25 08:11:17,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 08:11:17,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:17,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:17,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:11:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:17,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2021-11-25 08:11:17,574 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2021-11-25 08:11:17,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 08:11:17,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:17,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:17,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:11:17,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:17,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2021-11-25 08:11:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2021-11-25 08:11:17,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 08:11:17,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:17,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:18,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:11:18,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:18,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2021-11-25 08:11:18,481 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2021-11-25 08:11:18,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 08:11:18,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:18,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:18,563 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 08:11:19,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:19,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 98 transitions. [2021-11-25 08:11:19,252 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2021-11-25 08:11:19,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 08:11:19,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:19,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:19,293 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 08:11:19,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:19,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 57 states and 104 transitions. [2021-11-25 08:11:19,605 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2021-11-25 08:11:19,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 08:11:19,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:19,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:19,665 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:11:20,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:20,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 61 states and 114 transitions. [2021-11-25 08:11:20,209 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2021-11-25 08:11:20,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 08:11:20,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:20,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:20,228 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:11:20,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:20,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 62 states and 115 transitions. [2021-11-25 08:11:20,487 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 115 transitions. [2021-11-25 08:11:20,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 08:11:20,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:20,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:20,506 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 08:11:20,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:20,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 66 states and 122 transitions. [2021-11-25 08:11:20,840 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 122 transitions. [2021-11-25 08:11:20,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 08:11:20,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:20,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:20,883 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:11:21,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:21,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 67 states and 123 transitions. [2021-11-25 08:11:21,036 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 123 transitions. [2021-11-25 08:11:21,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 08:11:21,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:21,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:21,056 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-25 08:11:21,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:21,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 68 states and 123 transitions. [2021-11-25 08:11:21,181 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 123 transitions. [2021-11-25 08:11:21,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 08:11:21,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:21,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:21,200 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-25 08:11:21,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:21,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 69 states and 123 transitions. [2021-11-25 08:11:21,325 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 123 transitions. [2021-11-25 08:11:21,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 08:11:21,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:21,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 08:11:21,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:21,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 70 states and 124 transitions. [2021-11-25 08:11:21,611 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 124 transitions. [2021-11-25 08:11:21,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 08:11:21,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:21,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:21,646 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 08:11:21,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:21,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 73 states and 129 transitions. [2021-11-25 08:11:21,977 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 129 transitions. [2021-11-25 08:11:21,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 08:11:21,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:21,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:22,034 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 08:11:22,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:22,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 81 states and 151 transitions. [2021-11-25 08:11:22,577 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 151 transitions. [2021-11-25 08:11:22,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 08:11:22,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:22,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:22,612 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-25 08:11:22,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:22,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 82 states and 151 transitions. [2021-11-25 08:11:22,765 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 151 transitions. [2021-11-25 08:11:22,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 08:11:22,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:22,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-25 08:11:22,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 81 states and 149 transitions. [2021-11-25 08:11:22,973 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 149 transitions. [2021-11-25 08:11:22,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 08:11:22,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:22,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:22,991 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-25 08:11:23,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:23,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 89 states and 160 transitions. [2021-11-25 08:11:23,324 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 160 transitions. [2021-11-25 08:11:23,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 08:11:23,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:23,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:23,344 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 08:11:23,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:23,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 93 states and 168 transitions. [2021-11-25 08:11:23,720 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 168 transitions. [2021-11-25 08:11:23,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 08:11:23,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:23,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:23,738 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-25 08:11:23,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:23,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 93 states and 166 transitions. [2021-11-25 08:11:23,889 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 166 transitions. [2021-11-25 08:11:23,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 08:11:23,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:23,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-25 08:11:24,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:24,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 96 states and 171 transitions. [2021-11-25 08:11:24,366 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 171 transitions. [2021-11-25 08:11:24,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 08:11:24,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:24,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:24,379 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-25 08:11:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:24,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 96 states and 170 transitions. [2021-11-25 08:11:24,470 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 170 transitions. [2021-11-25 08:11:24,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:11:24,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:24,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:24,488 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 08:11:24,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:24,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 97 states and 170 transitions. [2021-11-25 08:11:24,676 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 170 transitions. [2021-11-25 08:11:24,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:11:24,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:24,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:24,719 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-25 08:11:25,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:25,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 100 states and 175 transitions. [2021-11-25 08:11:25,106 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 175 transitions. [2021-11-25 08:11:25,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:11:25,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:25,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:25,224 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 08:11:27,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:27,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 123 states and 220 transitions. [2021-11-25 08:11:27,273 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 220 transitions. [2021-11-25 08:11:27,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 08:11:27,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:27,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:27,296 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-25 08:11:27,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:27,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 127 states and 226 transitions. [2021-11-25 08:11:27,768 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2021-11-25 08:11:27,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 08:11:27,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:27,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:27,789 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-25 08:11:28,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:28,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 126 states and 224 transitions. [2021-11-25 08:11:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 224 transitions. [2021-11-25 08:11:28,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 08:11:28,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:28,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:28,035 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-25 08:11:28,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:28,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 130 states and 231 transitions. [2021-11-25 08:11:28,530 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 231 transitions. [2021-11-25 08:11:28,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 08:11:28,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:28,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:28,582 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-25 08:11:29,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:29,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 138 states and 244 transitions. [2021-11-25 08:11:29,601 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 244 transitions. [2021-11-25 08:11:29,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 08:11:29,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:29,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:29,621 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-25 08:11:30,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:30,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 142 states and 252 transitions. [2021-11-25 08:11:30,134 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 252 transitions. [2021-11-25 08:11:30,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 08:11:30,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:30,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:30,154 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-25 08:11:31,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:31,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 147 states and 260 transitions. [2021-11-25 08:11:31,048 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 260 transitions. [2021-11-25 08:11:31,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 08:11:31,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:31,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:31,065 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-25 08:11:31,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:31,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 146 states and 248 transitions. [2021-11-25 08:11:31,267 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 248 transitions. [2021-11-25 08:11:31,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:11:31,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:31,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:31,291 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-25 08:11:31,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:31,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 145 states and 246 transitions. [2021-11-25 08:11:31,409 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 246 transitions. [2021-11-25 08:11:31,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 08:11:31,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:31,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-25 08:11:31,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:31,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 146 states and 246 transitions. [2021-11-25 08:11:31,670 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 246 transitions. [2021-11-25 08:11:31,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 08:11:31,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:31,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:31,686 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-25 08:11:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 147 states and 246 transitions. [2021-11-25 08:11:32,009 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 246 transitions. [2021-11-25 08:11:32,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 08:11:32,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:32,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:32,027 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-25 08:11:32,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:32,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 148 states and 246 transitions. [2021-11-25 08:11:32,311 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 246 transitions. [2021-11-25 08:11:32,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 08:11:32,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:32,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:32,350 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-25 08:11:33,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:33,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 153 states and 254 transitions. [2021-11-25 08:11:33,144 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 254 transitions. [2021-11-25 08:11:33,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 08:11:33,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:33,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:33,167 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-25 08:11:33,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:33,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 159 states and 263 transitions. [2021-11-25 08:11:33,818 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 263 transitions. [2021-11-25 08:11:33,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 08:11:33,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:33,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:33,840 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-25 08:11:34,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:34,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 158 states and 261 transitions. [2021-11-25 08:11:34,126 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 261 transitions. [2021-11-25 08:11:34,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 08:11:34,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:34,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:34,179 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-25 08:11:34,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:34,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 162 states and 267 transitions. [2021-11-25 08:11:34,690 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 267 transitions. [2021-11-25 08:11:34,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 08:11:34,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:34,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-25 08:11:34,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:34,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 163 states and 267 transitions. [2021-11-25 08:11:34,867 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 267 transitions. [2021-11-25 08:11:34,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-25 08:11:34,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:34,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:34,889 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-25 08:11:35,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:35,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 42 states and 57 transitions. [2021-11-25 08:11:35,242 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2021-11-25 08:11:35,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 08:11:35,242 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 45 iterations. [2021-11-25 08:11:35,250 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-11-25 08:11:35,958 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2021-11-25 08:11:35,978 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 08:11:35,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 08:11:35 ImpRootNode [2021-11-25 08:11:35,979 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 08:11:35,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 08:11:35,980 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 08:11:35,980 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 08:11:35,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:11:16" (3/4) ... [2021-11-25 08:11:35,983 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 08:11:35,998 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-25 08:11:35,998 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 08:11:35,998 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 08:11:36,040 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c74844-c8dc-45bc-b279-be3eb51b6224/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 08:11:36,040 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 08:11:36,044 INFO L158 Benchmark]: Toolchain (without parser) took 19849.74ms. Allocated memory was 86.0MB in the beginning and 222.3MB in the end (delta: 136.3MB). Free memory was 65.4MB in the beginning and 132.8MB in the end (delta: -67.4MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2021-11-25 08:11:36,046 INFO L158 Benchmark]: CDTParser took 1.52ms. Allocated memory is still 86.0MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 08:11:36,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.31ms. Allocated memory is still 86.0MB. Free memory was 65.2MB in the beginning and 63.5MB in the end (delta: 1.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 08:11:36,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.12ms. Allocated memory is still 86.0MB. Free memory was 63.5MB in the beginning and 62.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 08:11:36,050 INFO L158 Benchmark]: Boogie Preprocessor took 18.96ms. Allocated memory is still 86.0MB. Free memory was 62.2MB in the beginning and 61.3MB in the end (delta: 872.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 08:11:36,050 INFO L158 Benchmark]: RCFGBuilder took 233.61ms. Allocated memory is still 86.0MB. Free memory was 61.2MB in the beginning and 52.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 08:11:36,050 INFO L158 Benchmark]: CodeCheck took 19284.43ms. Allocated memory was 86.0MB in the beginning and 222.3MB in the end (delta: 136.3MB). Free memory was 52.4MB in the beginning and 135.8MB in the end (delta: -83.4MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2021-11-25 08:11:36,051 INFO L158 Benchmark]: Witness Printer took 61.14ms. Allocated memory is still 222.3MB. Free memory was 134.9MB in the beginning and 132.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 08:11:36,053 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: 18.5s, OverallIterations: 45, 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, 6978 SdHoareTripleChecker+Valid, 32.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6592 mSDsluCounter, 1346 SdHoareTripleChecker+Invalid, 26.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1084 mSDsCounter, 5404 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25956 IncrementalHoareTripleChecker+Invalid, 31360 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5404 mSolverCounterUnsat, 262 mSDtfsCounter, 25956 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8761 GetRequests, 7728 SyntacticMatches, 633 SemanticMatches, 400 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80728 ImplicationChecksByTransitivity, 15.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 979 NumberOfCodeBlocks, 979 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 935 ConstructedInterpolants, 0 QuantifiedInterpolants, 2615 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 44 InterpolantComputations, 16 PerfectInterpolantSequences, 1258/1738 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 && 0 < i) && 1 <= m) && 0 < j) && i <= 1) && m <= 2147483647) || (((((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)) || (((((n <= 2147483647 && 1 < i) && i <= 2147483646) && 1 <= m) && 0 < j) && 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 1.52ms. Allocated memory is still 86.0MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.31ms. Allocated memory is still 86.0MB. Free memory was 65.2MB in the beginning and 63.5MB in the end (delta: 1.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.12ms. Allocated memory is still 86.0MB. Free memory was 63.5MB in the beginning and 62.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.96ms. Allocated memory is still 86.0MB. Free memory was 62.2MB in the beginning and 61.3MB in the end (delta: 872.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 233.61ms. Allocated memory is still 86.0MB. Free memory was 61.2MB in the beginning and 52.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 19284.43ms. Allocated memory was 86.0MB in the beginning and 222.3MB in the end (delta: 136.3MB). Free memory was 52.4MB in the beginning and 135.8MB in the end (delta: -83.4MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * Witness Printer took 61.14ms. Allocated memory is still 222.3MB. Free memory was 134.9MB in the beginning and 132.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-25 08:11:36,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c74844-c8dc-45bc-b279-be3eb51b6224/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