./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI --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 eae29037f39f72e492ffc0d4d80667eddad5a4a3f1ba42f69f0f22dd69021a00 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-b2eff8b [2021-10-29 03:10:02,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:10:02,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:10:02,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:10:02,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:10:02,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:10:02,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:10:02,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:10:02,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:10:02,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:10:02,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:10:02,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:10:02,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:10:02,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:10:02,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:10:02,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:10:02,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:10:02,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:10:02,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:10:02,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:10:02,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:10:02,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:10:02,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:10:02,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:10:02,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:10:02,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:10:02,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:10:02,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:10:02,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:10:02,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:10:02,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:10:02,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:10:02,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:10:02,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:10:02,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:10:02,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:10:02,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:10:02,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:10:02,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:10:02,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:10:02,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:10:02,996 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-29 03:10:03,048 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:10:03,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:10:03,050 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:10:03,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:10:03,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:10:03,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:10:03,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:10:03,052 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:10:03,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:10:03,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:10:03,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:10:03,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:10:03,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:10:03,055 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 03:10:03,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:10:03,055 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:10:03,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:10:03,056 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:10:03,056 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:10:03,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:10:03,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:10:03,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:10:03,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:10:03,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:10:03,057 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:10:03,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:10:03,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:10:03,058 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_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eae29037f39f72e492ffc0d4d80667eddad5a4a3f1ba42f69f0f22dd69021a00 [2021-10-29 03:10:03,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:10:03,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:10:03,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:10:03,460 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:10:03,461 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:10:03,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2021-10-29 03:10:03,530 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI/data/85160f46d/681d10bc1c284601a662c7167fbe7d69/FLAG9fa21aec5 [2021-10-29 03:10:04,100 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:10:04,101 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2021-10-29 03:10:04,113 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI/data/85160f46d/681d10bc1c284601a662c7167fbe7d69/FLAG9fa21aec5 [2021-10-29 03:10:04,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI/data/85160f46d/681d10bc1c284601a662c7167fbe7d69 [2021-10-29 03:10:04,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:10:04,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:10:04,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:10:04,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:10:04,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:10:04,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:10:04" (1/1) ... [2021-10-29 03:10:04,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8823570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:04, skipping insertion in model container [2021-10-29 03:10:04,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:10:04" (1/1) ... [2021-10-29 03:10:04,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:10:04,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:10:04,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:10:04,820 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:10:04,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:10:04,871 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:10:04,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:04 WrapperNode [2021-10-29 03:10:04,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:10:04,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:10:04,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:10:04,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:10:04,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:04" (1/1) ... [2021-10-29 03:10:04,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:04" (1/1) ... [2021-10-29 03:10:04,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:10:04,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:10:04,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:10:04,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:10:04,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:04" (1/1) ... [2021-10-29 03:10:04,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:04" (1/1) ... [2021-10-29 03:10:04,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:04" (1/1) ... [2021-10-29 03:10:04,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:04" (1/1) ... [2021-10-29 03:10:04,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:04" (1/1) ... [2021-10-29 03:10:04,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:04" (1/1) ... [2021-10-29 03:10:04,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:04" (1/1) ... [2021-10-29 03:10:04,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:10:04,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:10:04,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:10:04,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:10:04,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:04" (1/1) ... [2021-10-29 03:10:04,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:10:05,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:10:05,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:10:05,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:10:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:10:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:10:05,522 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:10:05,523 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:10:05,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:10:05 BoogieIcfgContainer [2021-10-29 03:10:05,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:10:05,529 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:10:05,529 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:10:05,541 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:10:05,541 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:10:05" (1/1) ... [2021-10-29 03:10:05,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:10:05,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2021-10-29 03:10:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2021-10-29 03:10:05,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 03:10:05,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:05,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:05,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:05,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:05,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 82 states and 90 transitions. [2021-10-29 03:10:05,841 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2021-10-29 03:10:05,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 03:10:05,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:05,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:05,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:05,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:05,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 81 states and 89 transitions. [2021-10-29 03:10:05,930 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2021-10-29 03:10:05,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:10:05,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:05,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:05,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:06,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2021-10-29 03:10:06,089 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2021-10-29 03:10:06,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:10:06,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:06,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:06,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:06,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2021-10-29 03:10:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2021-10-29 03:10:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:10:06,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:06,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:06,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:06,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:06,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2021-10-29 03:10:06,416 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2021-10-29 03:10:06,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:10:06,462 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:06,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:06,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:06,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:06,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2021-10-29 03:10:06,525 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2021-10-29 03:10:06,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:10:06,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:06,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:06,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:06,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 78 states and 86 transitions. [2021-10-29 03:10:06,656 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2021-10-29 03:10:06,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:10:06,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:06,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:06,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:06,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:06,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2021-10-29 03:10:06,794 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2021-10-29 03:10:06,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:10:06,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:06,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:06,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:06,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:06,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2021-10-29 03:10:06,849 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2021-10-29 03:10:06,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:10:06,849 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:06,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:06,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:06,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:06,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2021-10-29 03:10:06,916 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2021-10-29 03:10:06,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:10:06,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:06,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:06,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:06,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:06,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2021-10-29 03:10:06,944 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2021-10-29 03:10:06,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:10:06,944 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:06,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:06,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:07,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2021-10-29 03:10:07,047 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2021-10-29 03:10:07,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:10:07,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:07,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:07,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:07,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:07,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2021-10-29 03:10:07,213 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2021-10-29 03:10:07,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:10:07,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:07,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:07,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:07,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:07,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2021-10-29 03:10:07,299 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2021-10-29 03:10:07,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:10:07,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:07,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:07,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:07,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:07,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2021-10-29 03:10:07,356 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2021-10-29 03:10:07,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:10:07,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:07,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:07,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:07,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:07,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2021-10-29 03:10:07,377 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2021-10-29 03:10:07,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:10:07,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:07,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:07,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:07,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:07,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2021-10-29 03:10:07,489 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2021-10-29 03:10:07,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:10:07,491 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:07,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:07,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:07,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2021-10-29 03:10:07,689 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2021-10-29 03:10:07,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:10:07,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:07,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:07,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:07,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:07,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2021-10-29 03:10:07,763 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2021-10-29 03:10:07,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:10:07,763 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:07,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:07,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:07,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:07,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2021-10-29 03:10:07,823 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2021-10-29 03:10:07,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:10:07,826 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:07,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:07,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:07,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:07,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2021-10-29 03:10:07,868 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2021-10-29 03:10:07,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:10:07,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:07,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:07,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:08,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:08,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2021-10-29 03:10:08,042 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2021-10-29 03:10:08,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:10:08,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:08,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:08,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:08,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:08,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2021-10-29 03:10:08,209 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2021-10-29 03:10:08,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:10:08,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:08,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:08,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:08,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:08,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2021-10-29 03:10:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2021-10-29 03:10:08,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:10:08,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:08,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:08,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:08,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:08,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2021-10-29 03:10:08,335 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2021-10-29 03:10:08,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:10:08,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:08,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:08,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:08,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:08,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2021-10-29 03:10:08,387 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2021-10-29 03:10:08,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:10:08,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:08,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:08,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:08,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:08,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2021-10-29 03:10:08,542 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2021-10-29 03:10:08,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:10:08,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:08,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:08,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:08,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:08,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2021-10-29 03:10:08,700 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2021-10-29 03:10:08,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:10:08,700 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:08,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:08,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:08,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:08,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2021-10-29 03:10:08,755 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2021-10-29 03:10:08,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:10:08,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:08,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:08,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2021-10-29 03:10:08,785 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2021-10-29 03:10:08,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:10:08,787 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:08,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:08,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:08,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:08,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2021-10-29 03:10:08,825 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2021-10-29 03:10:08,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:10:08,831 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:08,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:08,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:08,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:08,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2021-10-29 03:10:08,965 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2021-10-29 03:10:08,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:10:08,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:08,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:09,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:09,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:09,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2021-10-29 03:10:09,159 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2021-10-29 03:10:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:10:09,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:09,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:09,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:09,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2021-10-29 03:10:09,223 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2021-10-29 03:10:09,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:10:09,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:09,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:09,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:09,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:09,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2021-10-29 03:10:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2021-10-29 03:10:09,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:10:09,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:09,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:09,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:09,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:09,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2021-10-29 03:10:09,298 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2021-10-29 03:10:09,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:10:09,300 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:09,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:09,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:09,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:09,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2021-10-29 03:10:09,469 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2021-10-29 03:10:09,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:10:09,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:09,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:09,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:09,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:09,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 59 states and 67 transitions. [2021-10-29 03:10:09,657 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2021-10-29 03:10:09,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:10:09,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:09,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:09,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:09,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2021-10-29 03:10:09,716 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2021-10-29 03:10:09,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:10:09,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:09,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:09,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:10,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:10,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 77 states and 88 transitions. [2021-10-29 03:10:10,419 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2021-10-29 03:10:10,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:10:10,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:10,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:10,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:10,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:10,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2021-10-29 03:10:10,541 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2021-10-29 03:10:10,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:10:10,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:10,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:10,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:10,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:10,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2021-10-29 03:10:10,631 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2021-10-29 03:10:10,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:10:10,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:10,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:10,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:10,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:10,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 79 states and 93 transitions. [2021-10-29 03:10:10,936 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2021-10-29 03:10:10,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:10:10,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:10,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:11,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:11,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2021-10-29 03:10:11,017 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2021-10-29 03:10:11,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:10:11,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:11,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:11,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:11,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 79 states and 91 transitions. [2021-10-29 03:10:11,107 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2021-10-29 03:10:11,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:10:11,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:11,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:11,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:11,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:11,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2021-10-29 03:10:11,194 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2021-10-29 03:10:11,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:10:11,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:11,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:11,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:11,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:11,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2021-10-29 03:10:11,278 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2021-10-29 03:10:11,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:10:11,280 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:11,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:10:11,292 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:10:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:10:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:10:11,335 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:10:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:10:11,368 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 48 iterations. [2021-10-29 03:10:11,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:10:11 ImpRootNode [2021-10-29 03:10:11,422 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:10:11,422 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:10:11,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:10:11,423 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:10:11,423 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:10:05" (3/4) ... [2021-10-29 03:10:11,425 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:10:11,518 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:10:11,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:10:11,520 INFO L168 Benchmark]: Toolchain (without parser) took 7055.89 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 73.4 MB in the beginning and 42.0 MB in the end (delta: 31.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:10:11,521 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 109.1 MB. Free memory was 89.5 MB in the beginning and 89.5 MB in the end (delta: 65.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:10:11,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.14 ms. Allocated memory is still 109.1 MB. Free memory was 73.2 MB in the beginning and 85.9 MB in the end (delta: -12.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:10:11,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.45 ms. Allocated memory is still 109.1 MB. Free memory was 85.9 MB in the beginning and 84.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:10:11,523 INFO L168 Benchmark]: Boogie Preprocessor took 46.46 ms. Allocated memory is still 109.1 MB. Free memory was 84.3 MB in the beginning and 83.3 MB in the end (delta: 974.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:10:11,523 INFO L168 Benchmark]: RCFGBuilder took 547.07 ms. Allocated memory is still 109.1 MB. Free memory was 83.3 MB in the beginning and 69.6 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:10:11,524 INFO L168 Benchmark]: CodeCheck took 5892.71 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 69.6 MB in the beginning and 44.1 MB in the end (delta: 25.5 MB). Peak memory consumption was 50.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:10:11,525 INFO L168 Benchmark]: Witness Printer took 96.09 ms. Allocated memory is still 132.1 MB. Free memory was 44.1 MB in the beginning and 42.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:10:11,529 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: 5.7s, OverallIterations: 48, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 554460224 SDtfs, -1385872098 SDslu, 0 SDs, 0 SdLazy, 1384143026 SolverSat, 2077807196 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5624 GetRequests, 5220 SyntacticMatches, 264 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16109 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s 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, 0.0s 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 0.32 ms. Allocated memory is still 109.1 MB. Free memory was 89.5 MB in the beginning and 89.5 MB in the end (delta: 65.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 389.14 ms. Allocated memory is still 109.1 MB. Free memory was 73.2 MB in the beginning and 85.9 MB in the end (delta: -12.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.45 ms. Allocated memory is still 109.1 MB. Free memory was 85.9 MB in the beginning and 84.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.46 ms. Allocated memory is still 109.1 MB. Free memory was 84.3 MB in the beginning and 83.3 MB in the end (delta: 974.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 547.07 ms. Allocated memory is still 109.1 MB. Free memory was 83.3 MB in the beginning and 69.6 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 5892.71 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 69.6 MB in the beginning and 44.1 MB in the end (delta: 25.5 MB). Peak memory consumption was 50.6 MB. Max. memory is 16.1 GB. * Witness Printer took 96.09 ms. Allocated memory is still 132.1 MB. Free memory was 44.1 MB in the beginning and 42.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:10:11,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c51abc3f-1d82-4d18-8d9d-da22151b33a4/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...