./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Bangalore-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9da8367-4a14-4e65-9d96-00d7fd66dd3b/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9da8367-4a14-4e65-9d96-00d7fd66dd3b/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9da8367-4a14-4e65-9d96-00d7fd66dd3b/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9da8367-4a14-4e65-9d96-00d7fd66dd3b/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Bangalore-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9da8367-4a14-4e65-9d96-00d7fd66dd3b/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9da8367-4a14-4e65-9d96-00d7fd66dd3b/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e9fdb63b703556c0c4f8ca9f5b469884114c0558f9f1171d980c415152e708f6 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:07:08,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:07:08,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:07:08,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:07:08,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:07:08,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:07:08,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:07:08,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:07:08,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:07:08,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:07:08,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:07:08,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:07:08,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:07:08,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:07:08,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:07:08,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:07:08,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:07:08,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:07:08,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:07:08,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:07:08,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:07:08,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:07:08,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:07:08,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:07:08,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:07:08,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:07:08,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:07:08,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:07:08,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:07:08,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:07:08,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:07:08,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:07:08,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:07:08,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:07:08,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:07:08,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:07:08,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:07:08,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:07:08,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:07:08,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:07:08,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:07:08,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9da8367-4a14-4e65-9d96-00d7fd66dd3b/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-25 06:07:08,806 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:07:08,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:07:08,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:07:08,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:07:08,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:07:08,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:07:08,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:07:08,809 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:07:08,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:07:08,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:07:08,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:07:08,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:07:08,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:07:08,817 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 06:07:08,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:07:08,818 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:07:08,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:07:08,818 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:07:08,819 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:07:08,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:07:08,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:07:08,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:07:08,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:07:08,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:07:08,820 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:07:08,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:07:08,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:07:08,821 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_b9da8367-4a14-4e65-9d96-00d7fd66dd3b/bin/ukojak-d1pc8ZmBRL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9da8367-4a14-4e65-9d96-00d7fd66dd3b/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9fdb63b703556c0c4f8ca9f5b469884114c0558f9f1171d980c415152e708f6 [2021-11-25 06:07:09,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:07:09,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:07:09,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:07:09,119 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:07:09,119 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:07:09,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9da8367-4a14-4e65-9d96-00d7fd66dd3b/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/termination-crafted/Bangalore-2.c [2021-11-25 06:07:09,198 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9da8367-4a14-4e65-9d96-00d7fd66dd3b/bin/ukojak-d1pc8ZmBRL/data/9f8f00d67/3f1bbfc0672a4187b556b5e2d67e6ddf/FLAGae4110a8e [2021-11-25 06:07:09,627 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:07:09,628 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9da8367-4a14-4e65-9d96-00d7fd66dd3b/sv-benchmarks/c/termination-crafted/Bangalore-2.c [2021-11-25 06:07:09,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9da8367-4a14-4e65-9d96-00d7fd66dd3b/bin/ukojak-d1pc8ZmBRL/data/9f8f00d67/3f1bbfc0672a4187b556b5e2d67e6ddf/FLAGae4110a8e [2021-11-25 06:07:09,997 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9da8367-4a14-4e65-9d96-00d7fd66dd3b/bin/ukojak-d1pc8ZmBRL/data/9f8f00d67/3f1bbfc0672a4187b556b5e2d67e6ddf [2021-11-25 06:07:09,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:07:10,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:07:10,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:07:10,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:07:10,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:07:10,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:09" (1/1) ... [2021-11-25 06:07:10,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2d7cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10, skipping insertion in model container [2021-11-25 06:07:10,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:09" (1/1) ... [2021-11-25 06:07:10,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:07:10,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:07:10,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:07:10,163 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:07:10,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:07:10,189 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:07:10,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10 WrapperNode [2021-11-25 06:07:10,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:07:10,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:07:10,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:07:10,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:07:10,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,255 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-25 06:07:10,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:07:10,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:07:10,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:07:10,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:07:10,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:07:10,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:07:10,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:07:10,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:07:10,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:07:10,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9da8367-4a14-4e65-9d96-00d7fd66dd3b/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:07:10,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9da8367-4a14-4e65-9d96-00d7fd66dd3b/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:07:10,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9da8367-4a14-4e65-9d96-00d7fd66dd3b/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:07:10,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:07:10,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:07:10,441 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:07:10,443 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:07:10,560 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:07:10,589 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:07:10,590 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 06:07:10,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:10 BoogieIcfgContainer [2021-11-25 06:07:10,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:07:10,594 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:07:10,595 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:07:10,606 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:07:10,606 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:07:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:10,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2021-11-25 06:07:10,681 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-25 06:07:10,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 06:07:10,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:10,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:10,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:10,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:10,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-25 06:07:10,911 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-25 06:07:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 06:07:10,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:10,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:11,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:11,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2021-11-25 06:07:11,349 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2021-11-25 06:07:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 06:07:11,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:11,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:11,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:11,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:11,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2021-11-25 06:07:11,841 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2021-11-25 06:07:11,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:07:11,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:11,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:11,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:07:12,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:12,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 19 states and 33 transitions. [2021-11-25 06:07:12,161 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 33 transitions. [2021-11-25 06:07:12,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 06:07:12,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:12,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:12,308 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:12,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2021-11-25 06:07:12,831 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2021-11-25 06:07:12,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:07:12,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:12,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:12,976 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:13,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:13,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 45 transitions. [2021-11-25 06:07:13,592 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 45 transitions. [2021-11-25 06:07:13,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:07:13,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:13,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:13,803 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:14,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:14,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2021-11-25 06:07:14,465 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2021-11-25 06:07:14,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 06:07:14,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:14,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:14,753 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:15,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 31 states and 57 transitions. [2021-11-25 06:07:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 57 transitions. [2021-11-25 06:07:15,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 06:07:15,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:15,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:16,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2021-11-25 06:07:16,917 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2021-11-25 06:07:16,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:07:16,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:16,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:17,342 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:18,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:18,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2021-11-25 06:07:18,378 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2021-11-25 06:07:18,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 06:07:18,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:18,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:18,851 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:20,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:20,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2021-11-25 06:07:20,091 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2021-11-25 06:07:20,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 06:07:20,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:20,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:20,743 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:22,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:22,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 43 states and 81 transitions. [2021-11-25 06:07:22,176 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2021-11-25 06:07:22,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 06:07:22,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:22,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:22,919 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:24,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 87 transitions. [2021-11-25 06:07:24,659 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2021-11-25 06:07:24,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 06:07:24,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:24,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:25,527 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:27,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:27,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 49 states and 93 transitions. [2021-11-25 06:07:27,392 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2021-11-25 06:07:27,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:07:27,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:27,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:28,500 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:30,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:30,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 52 states and 99 transitions. [2021-11-25 06:07:30,793 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 99 transitions. [2021-11-25 06:07:30,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:07:30,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:30,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:32,139 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:34,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:34,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 55 states and 105 transitions. [2021-11-25 06:07:34,752 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 105 transitions. [2021-11-25 06:07:34,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 06:07:34,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:34,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:36,264 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:39,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:39,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 58 states and 111 transitions. [2021-11-25 06:07:39,149 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 111 transitions. [2021-11-25 06:07:39,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 06:07:39,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:39,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:44,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:44,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 117 transitions. [2021-11-25 06:07:44,187 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 117 transitions. [2021-11-25 06:07:44,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 06:07:44,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:44,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:46,167 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:49,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:49,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 64 states and 123 transitions. [2021-11-25 06:07:49,941 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 123 transitions. [2021-11-25 06:07:49,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 06:07:49,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:49,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:52,224 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:07:56,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:07:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 67 states and 129 transitions. [2021-11-25 06:07:56,363 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2021-11-25 06:07:56,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 06:07:56,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:07:56,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:07:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:07:58,992 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:03,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:03,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 70 states and 135 transitions. [2021-11-25 06:08:03,855 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 135 transitions. [2021-11-25 06:08:03,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 06:08:03,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:03,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:06,872 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:12,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:12,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 73 states and 141 transitions. [2021-11-25 06:08:12,281 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2021-11-25 06:08:12,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 06:08:12,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:12,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:15,650 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:21,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:21,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 76 states and 147 transitions. [2021-11-25 06:08:21,384 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 147 transitions. [2021-11-25 06:08:21,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 06:08:21,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:21,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:31,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:31,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 79 states and 153 transitions. [2021-11-25 06:08:31,709 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 153 transitions. [2021-11-25 06:08:31,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-25 06:08:31,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:31,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:36,044 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:43,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:43,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 82 states and 159 transitions. [2021-11-25 06:08:43,135 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 159 transitions. [2021-11-25 06:08:43,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 06:08:43,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:43,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:47,761 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:55,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:55,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 85 states and 165 transitions. [2021-11-25 06:08:55,490 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 165 transitions. [2021-11-25 06:08:55,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-25 06:08:55,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:55,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:00,904 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:09:09,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:09,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 88 states and 171 transitions. [2021-11-25 06:09:09,403 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 171 transitions. [2021-11-25 06:09:09,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-25 06:09:09,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:09,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:09:24,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:24,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 91 states and 177 transitions. [2021-11-25 06:09:24,466 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 177 transitions. [2021-11-25 06:09:24,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-25 06:09:24,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:24,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:31,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 0 proven. 1027 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:09:41,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:41,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 94 states and 183 transitions. [2021-11-25 06:09:41,976 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 183 transitions. [2021-11-25 06:09:41,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 06:09:41,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:41,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:49,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:10:00,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:10:00,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 97 states and 189 transitions. [2021-11-25 06:10:00,631 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 189 transitions. [2021-11-25 06:10:00,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 06:10:00,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:10:00,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:10:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:10:08,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:10:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:10:20,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 100 states and 195 transitions. [2021-11-25 06:10:20,846 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 195 transitions. [2021-11-25 06:10:20,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-25 06:10:20,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:10:20,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:10:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:10:29,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 0 proven. 1276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:10:42,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:10:42,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 103 states and 201 transitions. [2021-11-25 06:10:42,650 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 201 transitions. [2021-11-25 06:10:42,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 06:10:42,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:10:42,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:10:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:10:52,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:11:07,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:11:07,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 106 states and 207 transitions. [2021-11-25 06:11:07,080 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2021-11-25 06:11:07,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-25 06:11:07,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:11:07,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:11:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:11:17,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1457 backedges. 0 proven. 1457 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:11:32,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:11:32,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 109 states and 213 transitions. [2021-11-25 06:11:32,377 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 213 transitions. [2021-11-25 06:11:32,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-25 06:11:32,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:11:32,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:11:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:11:43,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 0 proven. 1552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:11:59,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:11:59,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 112 states and 219 transitions. [2021-11-25 06:11:59,673 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 219 transitions. [2021-11-25 06:11:59,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-25 06:11:59,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:11:59,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:11:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:11,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 0 proven. 1650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:12:29,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:29,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 115 states and 225 transitions. [2021-11-25 06:12:29,408 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 225 transitions. [2021-11-25 06:12:29,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-25 06:12:29,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:29,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:42,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 0 proven. 1751 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:13:00,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:13:00,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 118 states and 231 transitions. [2021-11-25 06:13:00,716 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 231 transitions. [2021-11-25 06:13:00,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-25 06:13:00,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:13:00,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:13:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:13:14,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 1855 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:13:34,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:13:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 121 states and 237 transitions. [2021-11-25 06:13:34,939 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 237 transitions. [2021-11-25 06:13:34,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-25 06:13:34,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:13:34,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:13:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:13:50,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1962 backedges. 0 proven. 1962 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:14:12,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:14:12,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 124 states and 243 transitions. [2021-11-25 06:14:12,240 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 243 transitions. [2021-11-25 06:14:12,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-25 06:14:12,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:14:12,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:14:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:14:29,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2072 backedges. 0 proven. 2072 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:14:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:14:52,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 127 states and 249 transitions. [2021-11-25 06:14:52,910 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 249 transitions. [2021-11-25 06:14:52,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-25 06:14:52,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:14:52,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:14:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:15:11,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2185 backedges. 0 proven. 2185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:15:36,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:15:36,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 130 states and 255 transitions. [2021-11-25 06:15:36,941 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 255 transitions. [2021-11-25 06:15:36,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-25 06:15:36,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:15:36,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:15:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:15:56,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 0 proven. 2301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:16:23,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:16:23,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 133 states and 261 transitions. [2021-11-25 06:16:23,834 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 261 transitions. [2021-11-25 06:16:23,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-25 06:16:23,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:16:23,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:16:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:16:44,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 0 proven. 2420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:17:14,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:17:14,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 136 states and 267 transitions. [2021-11-25 06:17:14,879 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 267 transitions. [2021-11-25 06:17:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-25 06:17:14,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:17:14,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:17:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:17:38,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2542 backedges. 0 proven. 2542 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.