./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY --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 4f493a0ec5685991b86ced08697f863f174636a1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 03:44:22,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:44:22,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:44:22,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:44:22,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:44:22,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:44:22,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:44:22,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:44:22,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:44:22,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:44:22,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:44:22,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:44:22,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:44:22,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:44:22,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:44:22,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:44:22,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:44:22,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:44:22,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:44:22,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:44:22,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:44:22,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:44:22,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:44:22,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:44:22,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:44:22,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:44:22,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:44:22,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:44:22,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:44:22,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:44:22,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:44:22,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:44:22,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:44:22,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:44:22,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:44:22,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:44:22,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:44:22,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:44:22,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:44:22,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:44:22,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:44:22,484 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 03:44:22,507 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:44:22,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:44:22,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 03:44:22,508 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 03:44:22,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:44:22,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:44:22,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:44:22,510 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 03:44:22,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:44:22,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:44:22,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 03:44:22,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:44:22,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 03:44:22,511 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 03:44:22,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 03:44:22,511 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:44:22,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 03:44:22,512 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:44:22,512 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:44:22,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:44:22,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:44:22,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:44:22,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:44:22,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 03:44:22,513 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:44:22,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:44:22,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 03:44:22,514 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_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f493a0ec5685991b86ced08697f863f174636a1 [2021-10-13 03:44:22,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:44:22,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:44:22,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:44:22,767 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:44:22,767 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:44:22,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2021-10-13 03:44:22,860 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY/data/9f34c3dbe/46c5159dc47249bf8d0df291dd17c722/FLAG05425d657 [2021-10-13 03:44:23,338 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:44:23,343 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2021-10-13 03:44:23,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY/data/9f34c3dbe/46c5159dc47249bf8d0df291dd17c722/FLAG05425d657 [2021-10-13 03:44:23,749 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY/data/9f34c3dbe/46c5159dc47249bf8d0df291dd17c722 [2021-10-13 03:44:23,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:44:23,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:44:23,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:44:23,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:44:23,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:44:23,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:44:23" (1/1) ... [2021-10-13 03:44:23,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6174e031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:23, skipping insertion in model container [2021-10-13 03:44:23,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:44:23" (1/1) ... [2021-10-13 03:44:23,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:44:23,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:44:23,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:44:23,948 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:44:23,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:44:23,980 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:44:23,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:23 WrapperNode [2021-10-13 03:44:23,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:44:23,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:44:23,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:44:23,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:44:23,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:23" (1/1) ... [2021-10-13 03:44:23,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:23" (1/1) ... [2021-10-13 03:44:24,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:44:24,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:44:24,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:44:24,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:44:24,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:23" (1/1) ... [2021-10-13 03:44:24,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:23" (1/1) ... [2021-10-13 03:44:24,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:23" (1/1) ... [2021-10-13 03:44:24,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:23" (1/1) ... [2021-10-13 03:44:24,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:23" (1/1) ... [2021-10-13 03:44:24,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:23" (1/1) ... [2021-10-13 03:44:24,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:23" (1/1) ... [2021-10-13 03:44:24,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:44:24,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:44:24,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:44:24,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:44:24,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:23" (1/1) ... [2021-10-13 03:44:24,055 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:44:24,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:44:24,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:44:24,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:44:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:44:24,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:44:24,571 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:44:24,571 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 03:44:24,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:44:24 BoogieIcfgContainer [2021-10-13 03:44:24,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:44:24,580 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:44:24,580 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:44:24,608 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:44:24,608 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:44:24" (1/1) ... [2021-10-13 03:44:24,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:44:24,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:24,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2021-10-13 03:44:24,652 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2021-10-13 03:44:24,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 03:44:24,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:24,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:24,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:24,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 82 states and 90 transitions. [2021-10-13 03:44:24,785 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2021-10-13 03:44:24,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 03:44:24,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:24,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:24,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:24,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:24,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 81 states and 89 transitions. [2021-10-13 03:44:24,864 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2021-10-13 03:44:24,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 03:44:24,864 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:24,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:24,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:24,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:24,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2021-10-13 03:44:24,997 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2021-10-13 03:44:24,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 03:44:24,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:24,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:25,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:25,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2021-10-13 03:44:25,051 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2021-10-13 03:44:25,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 03:44:25,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:25,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:25,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:25,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:25,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2021-10-13 03:44:25,286 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2021-10-13 03:44:25,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 03:44:25,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:25,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:25,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:25,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:25,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2021-10-13 03:44:25,346 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2021-10-13 03:44:25,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 03:44:25,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:25,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:25,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:25,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:25,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 78 states and 86 transitions. [2021-10-13 03:44:25,455 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2021-10-13 03:44:25,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 03:44:25,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:25,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:25,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:25,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2021-10-13 03:44:25,613 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2021-10-13 03:44:25,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 03:44:25,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:25,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:25,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:25,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2021-10-13 03:44:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2021-10-13 03:44:25,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:44:25,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:25,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:25,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:25,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:25,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2021-10-13 03:44:25,768 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2021-10-13 03:44:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:44:25,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:25,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:25,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:25,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2021-10-13 03:44:25,801 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2021-10-13 03:44:25,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:44:25,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:25,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:25,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:25,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:25,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2021-10-13 03:44:25,946 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2021-10-13 03:44:25,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:44:25,947 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:25,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:25,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:26,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:26,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2021-10-13 03:44:26,098 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2021-10-13 03:44:26,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:44:26,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:26,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:26,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:26,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:26,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2021-10-13 03:44:26,162 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2021-10-13 03:44:26,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 03:44:26,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:26,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:26,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:26,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:26,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2021-10-13 03:44:26,214 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2021-10-13 03:44:26,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 03:44:26,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:26,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:26,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:26,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:26,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2021-10-13 03:44:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2021-10-13 03:44:26,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 03:44:26,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:26,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:26,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:26,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:26,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2021-10-13 03:44:26,388 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2021-10-13 03:44:26,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 03:44:26,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:26,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:26,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:26,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:26,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2021-10-13 03:44:26,561 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2021-10-13 03:44:26,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 03:44:26,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:26,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:26,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:26,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:26,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2021-10-13 03:44:26,617 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2021-10-13 03:44:26,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 03:44:26,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:26,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:26,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:26,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:26,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2021-10-13 03:44:26,670 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2021-10-13 03:44:26,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 03:44:26,671 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:26,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:26,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:26,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:26,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2021-10-13 03:44:26,698 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2021-10-13 03:44:26,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 03:44:26,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:26,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:26,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:26,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:26,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2021-10-13 03:44:26,821 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2021-10-13 03:44:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 03:44:26,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:26,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:26,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:26,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:26,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2021-10-13 03:44:26,984 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2021-10-13 03:44:26,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 03:44:26,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:26,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:26,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:27,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:27,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2021-10-13 03:44:27,038 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2021-10-13 03:44:27,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 03:44:27,038 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:27,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:27,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:27,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:27,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2021-10-13 03:44:27,068 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2021-10-13 03:44:27,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 03:44:27,068 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:27,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:27,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:27,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:27,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2021-10-13 03:44:27,088 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2021-10-13 03:44:27,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 03:44:27,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:27,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:27,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:27,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:27,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2021-10-13 03:44:27,210 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2021-10-13 03:44:27,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 03:44:27,210 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:27,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:27,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:27,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:27,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2021-10-13 03:44:27,392 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2021-10-13 03:44:27,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 03:44:27,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:27,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:27,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:27,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:27,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2021-10-13 03:44:27,447 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2021-10-13 03:44:27,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 03:44:27,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:27,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:27,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:27,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:27,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2021-10-13 03:44:27,465 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2021-10-13 03:44:27,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 03:44:27,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:27,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:27,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:27,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2021-10-13 03:44:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2021-10-13 03:44:27,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 03:44:27,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:27,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:27,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:27,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:27,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2021-10-13 03:44:27,618 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2021-10-13 03:44:27,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 03:44:27,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:27,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:27,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:27,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2021-10-13 03:44:27,784 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2021-10-13 03:44:27,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 03:44:27,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:27,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:27,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:27,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:27,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2021-10-13 03:44:27,841 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2021-10-13 03:44:27,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 03:44:27,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:27,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:27,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:27,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2021-10-13 03:44:27,879 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2021-10-13 03:44:27,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 03:44:27,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:27,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:27,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:27,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:27,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2021-10-13 03:44:27,917 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2021-10-13 03:44:27,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 03:44:27,918 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:27,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:27,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:28,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:28,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2021-10-13 03:44:28,042 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2021-10-13 03:44:28,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 03:44:28,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:28,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:28,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:28,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:28,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 59 states and 67 transitions. [2021-10-13 03:44:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2021-10-13 03:44:28,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 03:44:28,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:28,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:28,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:28,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:28,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2021-10-13 03:44:28,291 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2021-10-13 03:44:28,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 03:44:28,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:28,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:28,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:29,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:29,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 77 states and 88 transitions. [2021-10-13 03:44:29,019 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2021-10-13 03:44:29,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 03:44:29,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:29,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:29,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2021-10-13 03:44:29,130 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2021-10-13 03:44:29,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 03:44:29,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:29,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:29,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:29,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2021-10-13 03:44:29,217 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2021-10-13 03:44:29,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 03:44:29,218 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:29,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:29,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:29,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:29,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 79 states and 93 transitions. [2021-10-13 03:44:29,498 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2021-10-13 03:44:29,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 03:44:29,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:29,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:29,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:29,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:29,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2021-10-13 03:44:29,581 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2021-10-13 03:44:29,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 03:44:29,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:29,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:29,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:29,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:29,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 79 states and 91 transitions. [2021-10-13 03:44:29,667 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2021-10-13 03:44:29,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 03:44:29,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:29,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:29,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:29,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:29,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2021-10-13 03:44:29,763 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2021-10-13 03:44:29,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 03:44:29,764 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:29,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:44:29,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:44:29,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:44:29,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2021-10-13 03:44:29,855 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2021-10-13 03:44:29,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 03:44:29,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:44:29,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:44:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:44:29,866 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 03:44:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:44:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:44:29,904 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 03:44:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:44:29,932 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 48 iterations. [2021-10-13 03:44:29,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:44:29 ImpRootNode [2021-10-13 03:44:29,983 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:44:29,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:44:29,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:44:29,984 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:44:29,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:44:24" (3/4) ... [2021-10-13 03:44:29,986 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 03:44:30,028 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 03:44:30,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:44:30,031 INFO L168 Benchmark]: Toolchain (without parser) took 6270.92 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 87.3 MB in the beginning and 112.8 MB in the end (delta: -25.5 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:30,031 INFO L168 Benchmark]: CDTParser took 1.42 ms. Allocated memory is still 79.7 MB. Free memory was 45.5 MB in the beginning and 45.4 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:44:30,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.95 ms. Allocated memory is still 113.2 MB. Free memory was 86.9 MB in the beginning and 77.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:30,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.47 ms. Allocated memory is still 113.2 MB. Free memory was 77.8 MB in the beginning and 76.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:30,033 INFO L168 Benchmark]: Boogie Preprocessor took 21.93 ms. Allocated memory is still 113.2 MB. Free memory was 76.3 MB in the beginning and 75.3 MB in the end (delta: 921.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:30,034 INFO L168 Benchmark]: RCFGBuilder took 537.52 ms. Allocated memory is still 113.2 MB. Free memory was 75.2 MB in the beginning and 62.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:30,035 INFO L168 Benchmark]: CodeCheck took 5402.62 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 62.0 MB in the beginning and 114.9 MB in the end (delta: -52.9 MB). Peak memory consumption was 54.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:30,036 INFO L168 Benchmark]: Witness Printer took 45.58 ms. Allocated memory is still 140.5 MB. Free memory was 114.9 MB in the beginning and 112.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:44:30,039 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, 83 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 5303.1ms, OverallIterations: 48, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 554460224 SDtfs, -1385872098 SDslu, 0 SDs, 0 SdLazy, 1384143026 SolverSat, 2077807196 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12632.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5624 GetRequests, 5220 SyntacticMatches, 264 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16109 ImplicationChecksByTransitivity, 2871.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 39.1ms SsaConstructionTime, 251.9ms SatisfiabilityAnalysisTime, 1296.8ms InterpolantComputationTime, 797 NumberOfCodeBlocks, 797 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 1644 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 47 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 65]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x; [L15] int y; [L16] int z; [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] COND FALSE !(__VERIFIER_nondet_int() != 0) [L22] x = -1 [L24] COND FALSE !(x > 0) [L27] EXPR x - 1 [L27] x = x - 1 [L29] COND FALSE !(x > 0) [L32] EXPR x - 1 [L32] x = x - 1 [L34] COND FALSE !(x > 0) [L37] EXPR x - 1 [L37] x = x - 1 [L39] COND FALSE !(x > 0) [L42] EXPR x - 1 [L42] x = x - 1 [L44] COND FALSE !(x > 0) [L47] EXPR x - 1 [L47] x = x - 1 [L49] COND FALSE !(x > 0) [L52] EXPR x - 1 [L52] x = x - 1 [L54] COND FALSE !(x > 0) [L57] EXPR x - 1 [L57] x = x - 1 [L59] COND FALSE !(x > 0) [L62] EXPR x - 1 [L62] x = x - 1 [L64] COND TRUE y<100 && z<100 [L65] y+x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42 ms. Allocated memory is still 79.7 MB. Free memory was 45.5 MB in the beginning and 45.4 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 217.95 ms. Allocated memory is still 113.2 MB. Free memory was 86.9 MB in the beginning and 77.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.47 ms. Allocated memory is still 113.2 MB. Free memory was 77.8 MB in the beginning and 76.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.93 ms. Allocated memory is still 113.2 MB. Free memory was 76.3 MB in the beginning and 75.3 MB in the end (delta: 921.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 537.52 ms. Allocated memory is still 113.2 MB. Free memory was 75.2 MB in the beginning and 62.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 5402.62 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 62.0 MB in the beginning and 114.9 MB in the end (delta: -52.9 MB). Peak memory consumption was 54.1 MB. Max. memory is 16.1 GB. * Witness Printer took 45.58 ms. Allocated memory is still 140.5 MB. Free memory was 114.9 MB in the beginning and 112.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 03:44:30,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad735c-00e7-4874-b6df-33947f22c7cb/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...