./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/Mono1_1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/Mono1_1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87992b509300f030a5da432e9377be19bc7547f7933c7234d13c36c34b6235c7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:21:07,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:21:07,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:21:07,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:21:07,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:21:07,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:21:07,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:21:07,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:21:07,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:21:07,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:21:07,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:21:07,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:21:07,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:21:07,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:21:07,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:21:07,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:21:07,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:21:07,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:21:07,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:21:07,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:21:07,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:21:07,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:21:07,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:21:07,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:21:07,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:21:07,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:21:07,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:21:07,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:21:07,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:21:07,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:21:07,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:21:07,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:21:07,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:21:07,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:21:07,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:21:07,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:21:07,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:21:07,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:21:07,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:21:07,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:21:07,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:21:07,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:21:07,907 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:21:07,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:21:07,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:21:07,910 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:21:07,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:21:07,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:21:07,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:21:07,912 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:21:07,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:21:07,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:21:07,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:21:07,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:21:07,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:21:07,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:21:07,915 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:21:07,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:21:07,915 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:21:07,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:21:07,916 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:21:07,916 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:21:07,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:21:07,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:21:07,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:21:07,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:21:07,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:21:07,918 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:21:07,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:21:07,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:21:07,919 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_5e5fc1ad-161a-4567-a68c-23e660d03994/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87992b509300f030a5da432e9377be19bc7547f7933c7234d13c36c34b6235c7 [2021-11-22 23:21:08,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:21:08,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:21:08,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:21:08,233 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:21:08,234 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:21:08,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loops-crafted-1/Mono1_1-2.c [2021-11-22 23:21:08,314 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/bin/ukojak-LBtLqBUTdQ/data/14002ed1b/5fa555f1b41049a98c2529d8e7330856/FLAGffbdd5b10 [2021-11-22 23:21:08,873 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:21:08,874 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/sv-benchmarks/c/loops-crafted-1/Mono1_1-2.c [2021-11-22 23:21:08,882 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/bin/ukojak-LBtLqBUTdQ/data/14002ed1b/5fa555f1b41049a98c2529d8e7330856/FLAGffbdd5b10 [2021-11-22 23:21:09,254 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/bin/ukojak-LBtLqBUTdQ/data/14002ed1b/5fa555f1b41049a98c2529d8e7330856 [2021-11-22 23:21:09,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:21:09,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:21:09,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:21:09,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:21:09,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:21:09,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:21:09" (1/1) ... [2021-11-22 23:21:09,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbd57f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:09, skipping insertion in model container [2021-11-22 23:21:09,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:21:09" (1/1) ... [2021-11-22 23:21:09,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:21:09,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:21:09,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/sv-benchmarks/c/loops-crafted-1/Mono1_1-2.c[313,326] [2021-11-22 23:21:09,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:21:09,482 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:21:09,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/sv-benchmarks/c/loops-crafted-1/Mono1_1-2.c[313,326] [2021-11-22 23:21:09,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:21:09,518 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:21:09,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:09 WrapperNode [2021-11-22 23:21:09,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:21:09,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:21:09,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:21:09,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:21:09,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:09" (1/1) ... [2021-11-22 23:21:09,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:09" (1/1) ... [2021-11-22 23:21:09,566 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2021-11-22 23:21:09,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:21:09,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:21:09,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:21:09,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:21:09,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:09" (1/1) ... [2021-11-22 23:21:09,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:09" (1/1) ... [2021-11-22 23:21:09,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:09" (1/1) ... [2021-11-22 23:21:09,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:09" (1/1) ... [2021-11-22 23:21:09,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:09" (1/1) ... [2021-11-22 23:21:09,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:09" (1/1) ... [2021-11-22 23:21:09,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:09" (1/1) ... [2021-11-22 23:21:09,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:21:09,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:21:09,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:21:09,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:21:09,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:09" (1/1) ... [2021-11-22 23:21:09,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:21:09,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:21:09,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:21:09,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5fc1ad-161a-4567-a68c-23e660d03994/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:21:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:21:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:21:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:21:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:21:09,772 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:21:09,773 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:21:09,891 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:21:09,916 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:21:09,917 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:21:09,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:21:09 BoogieIcfgContainer [2021-11-22 23:21:09,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:21:09,921 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:21:09,921 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:21:09,934 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:21:09,934 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:21:09" (1/1) ... [2021-11-22 23:21:09,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:21:10,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:10,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-11-22 23:21:10,012 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-11-22 23:21:10,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:21:10,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:10,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:10,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:10,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:10,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2021-11-22 23:21:10,302 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2021-11-22 23:21:10,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:21:10,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:10,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:10,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:10,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2021-11-22 23:21:10,538 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-22 23:21:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:21:10,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:10,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:10,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:11,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:11,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2021-11-22 23:21:11,011 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-11-22 23:21:11,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:21:11,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:11,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:11,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:11,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:11,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2021-11-22 23:21:11,341 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2021-11-22 23:21:11,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:21:11,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:11,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:11,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2021-11-22 23:21:11,703 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-11-22 23:21:11,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:21:11,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:11,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:11,941 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:12,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:12,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-11-22 23:21:12,033 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-11-22 23:21:12,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:21:12,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:12,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:12,285 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:12,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:12,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-11-22 23:21:12,398 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-11-22 23:21:12,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:21:12,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:12,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:12,648 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:12,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2021-11-22 23:21:12,745 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-11-22 23:21:12,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:21:12,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:12,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:12,993 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:13,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:13,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2021-11-22 23:21:13,079 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2021-11-22 23:21:13,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:21:13,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:13,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:13,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:13,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2021-11-22 23:21:13,489 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-11-22 23:21:13,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:13,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:13,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:13,820 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:14,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:14,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2021-11-22 23:21:14,023 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2021-11-22 23:21:14,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:21:14,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:14,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:14,384 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:14,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:14,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2021-11-22 23:21:14,529 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-11-22 23:21:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:21:14,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:14,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:14,945 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:15,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:15,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2021-11-22 23:21:15,181 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2021-11-22 23:21:15,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:21:15,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:15,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:15,602 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:15,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:15,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2021-11-22 23:21:15,732 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2021-11-22 23:21:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:21:15,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:15,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:16,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2021-11-22 23:21:16,242 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2021-11-22 23:21:16,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:21:16,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:16,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:16,699 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:16,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2021-11-22 23:21:16,833 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2021-11-22 23:21:16,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:21:16,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:16,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:17,363 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:17,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:17,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2021-11-22 23:21:17,620 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2021-11-22 23:21:17,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:21:17,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:17,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:18,187 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:18,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:18,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2021-11-22 23:21:18,350 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2021-11-22 23:21:18,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:21:18,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:18,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:19,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:19,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2021-11-22 23:21:19,142 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-11-22 23:21:19,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:21:19,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:19,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:19,815 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:20,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:20,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2021-11-22 23:21:20,080 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2021-11-22 23:21:20,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:21:20,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:20,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:20,771 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:20,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:20,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2021-11-22 23:21:20,952 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2021-11-22 23:21:20,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:21:20,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:20,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:21,718 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:21,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:21,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2021-11-22 23:21:21,980 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2021-11-22 23:21:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:21:21,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:21,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:22,809 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:22,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:22,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2021-11-22 23:21:22,953 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2021-11-22 23:21:22,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:21:22,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:22,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:23,840 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:24,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:24,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2021-11-22 23:21:24,009 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2021-11-22 23:21:24,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:21:24,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:24,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:25,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:25,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2021-11-22 23:21:25,058 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2021-11-22 23:21:25,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:21:25,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:25,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:26,012 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:26,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2021-11-22 23:21:26,211 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2021-11-22 23:21:26,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:21:26,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:26,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:27,331 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:27,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 40 states and 41 transitions. [2021-11-22 23:21:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2021-11-22 23:21:27,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:21:27,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:27,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:29,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2021-11-22 23:21:29,004 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2021-11-22 23:21:29,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:21:29,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:29,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:30,177 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:30,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:30,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2021-11-22 23:21:30,337 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2021-11-22 23:21:30,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:21:30,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:30,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:45,252 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:45,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:45,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2021-11-22 23:22:45,455 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2021-11-22 23:22:45,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:45,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:45,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:46,671 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:46,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:46,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2021-11-22 23:22:46,897 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2021-11-22 23:22:46,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:22:46,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:46,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:48,064 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:48,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:48,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 46 states and 47 transitions. [2021-11-22 23:22:48,255 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2021-11-22 23:22:48,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:22:48,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:48,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:49,610 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:49,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:49,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2021-11-22 23:22:49,942 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2021-11-22 23:22:49,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:22:49,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:49,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:12,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:12,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2021-11-22 23:23:12,997 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2021-11-22 23:23:12,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:23:12,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:12,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:10,188 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:10,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:10,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2021-11-22 23:26:10,383 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2021-11-22 23:26:10,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:26:10,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:10,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat