./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c448a9f-c233-4ec0-8aaa-a68dbaf71d7c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c448a9f-c233-4ec0-8aaa-a68dbaf71d7c/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c448a9f-c233-4ec0-8aaa-a68dbaf71d7c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c448a9f-c233-4ec0-8aaa-a68dbaf71d7c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c448a9f-c233-4ec0-8aaa-a68dbaf71d7c/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c448a9f-c233-4ec0-8aaa-a68dbaf71d7c/bin/ukojak-92XMlrwhuB --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 33be026e9ca846df0a8faa91fc9c2bbf64ee20dbba0f4f48a9cd42fbefb372d5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:29:07,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:29:07,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:29:07,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:29:07,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:29:07,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:29:07,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:29:07,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:29:07,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:29:07,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:29:07,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:29:07,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:29:07,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:29:07,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:29:07,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:29:07,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:29:07,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:29:07,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:29:07,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:29:07,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:29:08,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:29:08,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:29:08,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:29:08,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:29:08,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:29:08,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:29:08,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:29:08,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:29:08,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:29:08,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:29:08,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:29:08,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:29:08,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:29:08,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:29:08,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:29:08,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:29:08,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:29:08,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:29:08,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:29:08,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:29:08,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:29:08,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c448a9f-c233-4ec0-8aaa-a68dbaf71d7c/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:29:08,064 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:29:08,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:29:08,067 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:29:08,068 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:29:08,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:29:08,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:29:08,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:29:08,070 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:29:08,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:29:08,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:29:08,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:29:08,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:29:08,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:29:08,072 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:29:08,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:29:08,072 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:29:08,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:29:08,073 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:29:08,073 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:29:08,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:29:08,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:08,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:29:08,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:29:08,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:29:08,081 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:29:08,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:29:08,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:29:08,082 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_8c448a9f-c233-4ec0-8aaa-a68dbaf71d7c/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c448a9f-c233-4ec0-8aaa-a68dbaf71d7c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33be026e9ca846df0a8faa91fc9c2bbf64ee20dbba0f4f48a9cd42fbefb372d5 [2022-10-17 16:29:08,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:29:08,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:29:08,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:29:08,362 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:29:08,363 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:29:08,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c448a9f-c233-4ec0-8aaa-a68dbaf71d7c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2022-10-17 16:29:08,431 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c448a9f-c233-4ec0-8aaa-a68dbaf71d7c/bin/ukojak-92XMlrwhuB/data/98310749d/fc25206068124697a741a2992190fc71/FLAGfeebafcc8 [2022-10-17 16:29:08,888 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:29:08,888 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c448a9f-c233-4ec0-8aaa-a68dbaf71d7c/sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2022-10-17 16:29:08,895 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c448a9f-c233-4ec0-8aaa-a68dbaf71d7c/bin/ukojak-92XMlrwhuB/data/98310749d/fc25206068124697a741a2992190fc71/FLAGfeebafcc8 [2022-10-17 16:29:09,261 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c448a9f-c233-4ec0-8aaa-a68dbaf71d7c/bin/ukojak-92XMlrwhuB/data/98310749d/fc25206068124697a741a2992190fc71 [2022-10-17 16:29:09,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:29:09,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:29:09,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:09,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:29:09,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:29:09,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:09" (1/1) ... [2022-10-17 16:29:09,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77aef445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:09, skipping insertion in model container [2022-10-17 16:29:09,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:09" (1/1) ... [2022-10-17 16:29:09,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:29:09,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:09,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:09,519 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:29:09,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:09,554 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:29:09,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:09 WrapperNode [2022-10-17 16:29:09,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:09,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:09,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:29:09,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:29:09,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:09" (1/1) ... [2022-10-17 16:29:09,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:09" (1/1) ... [2022-10-17 16:29:09,591 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2022-10-17 16:29:09,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:09,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:29:09,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:29:09,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:29:09,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:09" (1/1) ... [2022-10-17 16:29:09,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:09" (1/1) ... [2022-10-17 16:29:09,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:09" (1/1) ... [2022-10-17 16:29:09,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:09" (1/1) ... [2022-10-17 16:29:09,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:09" (1/1) ... [2022-10-17 16:29:09,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:09" (1/1) ... [2022-10-17 16:29:09,610 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:09" (1/1) ... [2022-10-17 16:29:09,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:09" (1/1) ... [2022-10-17 16:29:09,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:29:09,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:29:09,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:29:09,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:29:09,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:09" (1/1) ... [2022-10-17 16:29:09,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:09,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c448a9f-c233-4ec0-8aaa-a68dbaf71d7c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:29:09,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c448a9f-c233-4ec0-8aaa-a68dbaf71d7c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:29:09,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c448a9f-c233-4ec0-8aaa-a68dbaf71d7c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:29:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:29:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:29:09,770 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:29:09,773 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:29:09,907 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:29:09,932 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:29:09,932 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:29:09,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:09 BoogieIcfgContainer [2022-10-17 16:29:09,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:29:09,936 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:29:09,936 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:29:09,960 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:29:09,960 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:09" (1/1) ... [2022-10-17 16:29:09,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:29:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:10,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2022-10-17 16:29:10,093 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-10-17 16:29:10,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:29:10,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:10,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:10,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:10,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2022-10-17 16:29:10,431 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-10-17 16:29:10,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:29:10,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:10,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:10,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:10,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:10,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2022-10-17 16:29:10,613 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-10-17 16:29:10,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:29:10,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:10,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:10,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:10,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:10,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2022-10-17 16:29:10,986 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2022-10-17 16:29:10,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:29:10,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:10,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:11,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:11,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2022-10-17 16:29:11,443 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2022-10-17 16:29:11,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:29:11,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:11,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:11,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:11,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:11,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2022-10-17 16:29:11,912 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2022-10-17 16:29:11,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:29:11,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:11,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:11,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:12,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:12,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2022-10-17 16:29:12,236 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2022-10-17 16:29:12,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:29:12,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:12,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:12,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:13,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:13,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 50 states and 87 transitions. [2022-10-17 16:29:13,204 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 87 transitions. [2022-10-17 16:29:13,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:29:13,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:13,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:13,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:13,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2022-10-17 16:29:13,469 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2022-10-17 16:29:13,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:29:13,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:13,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:13,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:14,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:14,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 57 states and 108 transitions. [2022-10-17 16:29:14,412 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 108 transitions. [2022-10-17 16:29:14,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:29:14,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:14,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:14,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:14,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:14,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 62 states and 118 transitions. [2022-10-17 16:29:14,686 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 118 transitions. [2022-10-17 16:29:14,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:29:14,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:14,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:14,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:15,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:15,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 132 transitions. [2022-10-17 16:29:15,297 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 132 transitions. [2022-10-17 16:29:15,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:29:15,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:15,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:15,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:16,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:16,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 147 transitions. [2022-10-17 16:29:16,918 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 147 transitions. [2022-10-17 16:29:16,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:29:16,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:16,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:17,164 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:18,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:18,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 81 states and 172 transitions. [2022-10-17 16:29:18,224 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 172 transitions. [2022-10-17 16:29:18,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:29:18,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:18,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:19,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:19,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 86 states and 195 transitions. [2022-10-17 16:29:19,795 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 195 transitions. [2022-10-17 16:29:19,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:29:19,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:19,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:20,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:20,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 89 states and 197 transitions. [2022-10-17 16:29:20,081 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 197 transitions. [2022-10-17 16:29:20,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:29:20,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:20,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:20,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:20,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:20,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 92 states and 203 transitions. [2022-10-17 16:29:20,617 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 203 transitions. [2022-10-17 16:29:20,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:29:20,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:20,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:21,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:21,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 96 states and 214 transitions. [2022-10-17 16:29:21,517 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 214 transitions. [2022-10-17 16:29:21,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:29:21,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:21,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:21,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:22,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:22,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 100 states and 230 transitions. [2022-10-17 16:29:22,432 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 230 transitions. [2022-10-17 16:29:22,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:29:22,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:22,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:22,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:22,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:22,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 101 states and 234 transitions. [2022-10-17 16:29:22,759 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 234 transitions. [2022-10-17 16:29:22,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:29:22,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:22,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:22,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:29:23,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:23,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 102 states and 237 transitions. [2022-10-17 16:29:23,089 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 237 transitions. [2022-10-17 16:29:23,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:29:23,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:23,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:23,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:25,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:25,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 111 states and 255 transitions. [2022-10-17 16:29:25,381 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 255 transitions. [2022-10-17 16:29:25,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:29:25,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:25,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:25,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:27,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:27,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 119 states and 276 transitions. [2022-10-17 16:29:27,696 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 276 transitions. [2022-10-17 16:29:27,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:29:27,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:27,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:27,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:28,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:28,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 122 states and 287 transitions. [2022-10-17 16:29:28,180 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 287 transitions. [2022-10-17 16:29:28,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:29:28,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:28,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:28,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:28,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 124 states and 291 transitions. [2022-10-17 16:29:28,730 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 291 transitions. [2022-10-17 16:29:28,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:29:28,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:28,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:28,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:29:29,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:29,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 127 states and 300 transitions. [2022-10-17 16:29:29,392 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 300 transitions. [2022-10-17 16:29:29,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:29:29,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:29,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:29,417 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:29:30,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:30,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 131 states and 304 transitions. [2022-10-17 16:29:30,124 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 304 transitions. [2022-10-17 16:29:30,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:29:30,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:30,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:30,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:30,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:30,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 133 states and 308 transitions. [2022-10-17 16:29:30,809 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 308 transitions. [2022-10-17 16:29:30,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:29:30,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:30,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:30,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:29:31,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:31,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 135 states and 314 transitions. [2022-10-17 16:29:31,460 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 314 transitions. [2022-10-17 16:29:31,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:29:31,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:31,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:31,478 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:29:31,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:31,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 137 states and 316 transitions. [2022-10-17 16:29:31,740 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 316 transitions. [2022-10-17 16:29:31,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:29:31,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:31,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:31,848 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:29:32,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:32,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 138 states and 317 transitions. [2022-10-17 16:29:32,908 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 317 transitions. [2022-10-17 16:29:32,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:29:32,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:32,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:33,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:29:34,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:34,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 144 states and 331 transitions. [2022-10-17 16:29:34,887 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 331 transitions. [2022-10-17 16:29:34,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:29:34,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:34,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:34,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:36,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:36,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 149 states and 341 transitions. [2022-10-17 16:29:36,707 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 341 transitions. [2022-10-17 16:29:36,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:29:36,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:36,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:36,744 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:37,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 152 states and 347 transitions. [2022-10-17 16:29:37,937 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 347 transitions. [2022-10-17 16:29:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:29:37,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:37,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:38,109 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:38,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:38,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 154 states and 359 transitions. [2022-10-17 16:29:38,682 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 359 transitions. [2022-10-17 16:29:38,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:29:38,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:38,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:38,706 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:39,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:39,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 158 states and 367 transitions. [2022-10-17 16:29:39,831 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 367 transitions. [2022-10-17 16:29:39,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:29:39,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:39,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:40,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:40,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 160 states and 377 transitions. [2022-10-17 16:29:40,940 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 377 transitions. [2022-10-17 16:29:40,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:29:40,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:40,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:41,290 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.