./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.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_4272b445-7e1e-4ed6-a21f-223221982b8c/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4272b445-7e1e-4ed6-a21f-223221982b8c/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_4272b445-7e1e-4ed6-a21f-223221982b8c/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4272b445-7e1e-4ed6-a21f-223221982b8c/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4272b445-7e1e-4ed6-a21f-223221982b8c/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_4272b445-7e1e-4ed6-a21f-223221982b8c/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 6994f5bfaf30a704120445031d2592cb0b289806736d22478b28cc84ed2b2216 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:06:15,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:06:15,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:06:15,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:06:15,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:06:15,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:06:15,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:06:15,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:06:15,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:06:15,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:06:15,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:06:15,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:06:15,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:06:15,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:06:15,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:06:15,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:06:15,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:06:15,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:06:15,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:06:15,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:06:15,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:06:15,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:06:15,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:06:15,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:06:15,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:06:15,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:06:15,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:06:15,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:06:15,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:06:15,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:06:15,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:06:15,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:06:15,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:06:15,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:06:15,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:06:15,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:06:15,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:06:15,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:06:15,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:06:15,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:06:15,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:06:15,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4272b445-7e1e-4ed6-a21f-223221982b8c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:06:15,284 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:06:15,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:06:15,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:06:15,285 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:06:15,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:06:15,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:06:15,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:06:15,287 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:06:15,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:06:15,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:06:15,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:06:15,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:06:15,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:06:15,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:06:15,288 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:06:15,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:06:15,288 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:06:15,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:06:15,289 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:06:15,289 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:06:15,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:06:15,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:06:15,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:06:15,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:06:15,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:06:15,290 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:06:15,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:06:15,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:06:15,291 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_4272b445-7e1e-4ed6-a21f-223221982b8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4272b445-7e1e-4ed6-a21f-223221982b8c/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6994f5bfaf30a704120445031d2592cb0b289806736d22478b28cc84ed2b2216 [2021-11-23 01:06:15,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:06:15,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:06:15,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:06:15,581 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:06:15,582 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:06:15,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4272b445-7e1e-4ed6-a21f-223221982b8c/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 01:06:15,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4272b445-7e1e-4ed6-a21f-223221982b8c/bin/ukojak-LBtLqBUTdQ/data/ff7901733/fb8c1e1826e4453a831a878da9d67d97/FLAG4887867a5 [2021-11-23 01:06:16,228 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:06:16,228 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4272b445-7e1e-4ed6-a21f-223221982b8c/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 01:06:16,244 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4272b445-7e1e-4ed6-a21f-223221982b8c/bin/ukojak-LBtLqBUTdQ/data/ff7901733/fb8c1e1826e4453a831a878da9d67d97/FLAG4887867a5 [2021-11-23 01:06:16,530 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4272b445-7e1e-4ed6-a21f-223221982b8c/bin/ukojak-LBtLqBUTdQ/data/ff7901733/fb8c1e1826e4453a831a878da9d67d97 [2021-11-23 01:06:16,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:06:16,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:06:16,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:06:16,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:06:16,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:06:16,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:16" (1/1) ... [2021-11-23 01:06:16,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@808b5ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:16, skipping insertion in model container [2021-11-23 01:06:16,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:16" (1/1) ... [2021-11-23 01:06:16,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:06:16,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:06:16,843 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_4272b445-7e1e-4ed6-a21f-223221982b8c/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2021-11-23 01:06:16,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:06:16,856 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:06:16,906 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_4272b445-7e1e-4ed6-a21f-223221982b8c/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2021-11-23 01:06:16,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:06:16,922 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:06:16,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:16 WrapperNode [2021-11-23 01:06:16,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:06:16,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:06:16,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:06:16,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:06:16,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:16" (1/1) ... [2021-11-23 01:06:16,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:16" (1/1) ... [2021-11-23 01:06:16,986 INFO L137 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 329 [2021-11-23 01:06:16,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:06:16,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:06:16,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:06:16,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:06:17,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:16" (1/1) ... [2021-11-23 01:06:17,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:16" (1/1) ... [2021-11-23 01:06:17,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:16" (1/1) ... [2021-11-23 01:06:17,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:16" (1/1) ... [2021-11-23 01:06:17,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:16" (1/1) ... [2021-11-23 01:06:17,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:16" (1/1) ... [2021-11-23 01:06:17,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:16" (1/1) ... [2021-11-23 01:06:17,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:06:17,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:06:17,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:06:17,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:06:17,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:16" (1/1) ... [2021-11-23 01:06:17,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:06:17,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4272b445-7e1e-4ed6-a21f-223221982b8c/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:06:17,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4272b445-7e1e-4ed6-a21f-223221982b8c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:06:17,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4272b445-7e1e-4ed6-a21f-223221982b8c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:06:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:06:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:06:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:06:17,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:06:17,329 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:06:17,340 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:06:17,781 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:06:18,234 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:06:18,235 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:06:18,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:18 BoogieIcfgContainer [2021-11-23 01:06:18,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:06:18,239 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:06:18,239 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:06:18,249 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:06:18,250 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:18" (1/1) ... [2021-11-23 01:06:18,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:06:18,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:18,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 01:06:18,355 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 01:06:18,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:06:18,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:18,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:18,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:18,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:18,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 01:06:18,994 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 01:06:18,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:06:18,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:18,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:19,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:19,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 01:06:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 01:06:19,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:06:19,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:19,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:20,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2021-11-23 01:06:20,545 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2021-11-23 01:06:20,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:06:20,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2021-11-23 01:06:20,986 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2021-11-23 01:06:20,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:06:20,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:22,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:26,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:26,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2021-11-23 01:06:26,379 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2021-11-23 01:06:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:06:26,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:26,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:26,662 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:29,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:29,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2021-11-23 01:06:29,510 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2021-11-23 01:06:29,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:06:29,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:29,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:31,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:36,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:36,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 86 transitions. [2021-11-23 01:06:36,299 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2021-11-23 01:06:36,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:06:36,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:36,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:37,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:37,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 90 transitions. [2021-11-23 01:06:37,877 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2021-11-23 01:06:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:06:37,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:37,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:38,792 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:46,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:46,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 69 states and 128 transitions. [2021-11-23 01:06:46,884 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 128 transitions. [2021-11-23 01:06:46,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:06:46,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:46,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:47,847 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 81 states and 158 transitions. [2021-11-23 01:06:55,961 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 158 transitions. [2021-11-23 01:06:55,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:06:55,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:55,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:56,388 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:00,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:00,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 89 states and 171 transitions. [2021-11-23 01:07:00,296 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 171 transitions. [2021-11-23 01:07:00,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:07:00,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:00,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:00,548 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:01,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 90 states and 174 transitions. [2021-11-23 01:07:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 174 transitions. [2021-11-23 01:07:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:07:01,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:01,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:01,505 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:02,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:02,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 92 states and 178 transitions. [2021-11-23 01:07:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 178 transitions. [2021-11-23 01:07:02,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:07:02,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:02,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:02,537 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:03,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:03,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 93 states and 180 transitions. [2021-11-23 01:07:03,203 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 180 transitions. [2021-11-23 01:07:03,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:07:03,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:03,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:03,404 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:04,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 94 states and 183 transitions. [2021-11-23 01:07:04,071 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 183 transitions. [2021-11-23 01:07:04,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:07:04,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:04,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:04,183 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:07:04,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:04,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 94 states and 182 transitions. [2021-11-23 01:07:04,684 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 182 transitions. [2021-11-23 01:07:04,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:07:04,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:04,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:18,748 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:11,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:11,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 119 states and 245 transitions. [2021-11-23 01:08:11,721 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 245 transitions. [2021-11-23 01:08:11,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:08:11,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:11,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:28,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:28,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 123 states and 255 transitions. [2021-11-23 01:08:28,887 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 255 transitions. [2021-11-23 01:08:28,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:08:28,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:28,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:36,469 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:38,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:38,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 124 states and 255 transitions. [2021-11-23 01:08:38,266 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 255 transitions. [2021-11-23 01:08:38,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:08:38,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:38,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:39,256 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:46,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:46,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 132 states and 281 transitions. [2021-11-23 01:08:46,651 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 281 transitions. [2021-11-23 01:08:46,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:08:46,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:46,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:46,903 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:56,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:56,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 140 states and 297 transitions. [2021-11-23 01:08:56,930 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 297 transitions. [2021-11-23 01:08:56,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:08:56,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:56,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:19,399 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:52,743 WARN L227 SmtUtils]: Spent 6.13s on a formula simplification. DAG size of input: 417 DAG size of output: 375 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:10:12,665 WARN L227 SmtUtils]: Spent 7.44s on a formula simplification. DAG size of input: 422 DAG size of output: 389 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:10:33,448 WARN L227 SmtUtils]: Spent 5.94s on a formula simplification. DAG size of input: 425 DAG size of output: 392 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:10:55,206 WARN L227 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 426 DAG size of output: 393 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:11:15,171 WARN L227 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 414 DAG size of output: 371 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:11:54,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:54,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 167 states and 362 transitions. [2021-11-23 01:11:54,391 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 362 transitions. [2021-11-23 01:11:54,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:11:54,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:54,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:07,390 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:13,387 WARN L227 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 415 DAG size of output: 382 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:12:31,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:31,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 172 states and 375 transitions. [2021-11-23 01:12:31,383 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 375 transitions. [2021-11-23 01:12:31,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:12:31,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:31,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:44,582 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:56,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:56,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 178 states and 383 transitions. [2021-11-23 01:12:56,267 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 383 transitions. [2021-11-23 01:12:56,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:12:56,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:56,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:56,476 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:57,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:57,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 179 states and 386 transitions. [2021-11-23 01:12:57,992 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 386 transitions. [2021-11-23 01:12:57,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:12:57,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:57,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:58,196 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:02,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:02,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 180 states and 386 transitions. [2021-11-23 01:13:02,062 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 386 transitions. [2021-11-23 01:13:02,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:13:02,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:02,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:08,282 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:46,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:46,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 193 states and 445 transitions. [2021-11-23 01:13:46,863 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 445 transitions. [2021-11-23 01:13:46,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:13:46,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:46,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:47,148 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:01,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:01,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 200 states and 456 transitions. [2021-11-23 01:14:01,913 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 456 transitions. [2021-11-23 01:14:01,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:14:01,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:01,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:04,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:04,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 201 states and 458 transitions. [2021-11-23 01:14:04,123 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 458 transitions. [2021-11-23 01:14:04,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:14:04,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:04,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:08,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:08,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 198 states and 454 transitions. [2021-11-23 01:14:08,638 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 454 transitions. [2021-11-23 01:14:08,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:14:08,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:08,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:12,344 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:29,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:29,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 206 states and 486 transitions. [2021-11-23 01:14:29,879 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 486 transitions. [2021-11-23 01:14:29,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:14:29,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:29,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:30,813 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:44,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:44,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 214 states and 507 transitions. [2021-11-23 01:14:44,514 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 507 transitions. [2021-11-23 01:14:44,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:14:44,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:44,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:44,847 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:53,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:53,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 219 states and 520 transitions. [2021-11-23 01:14:53,495 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 520 transitions. [2021-11-23 01:14:53,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:14:53,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:53,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:53,885 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:55,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:55,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 220 states and 523 transitions. [2021-11-23 01:14:55,900 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 523 transitions. [2021-11-23 01:14:55,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:14:55,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:55,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:56,296 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:06,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:06,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 226 states and 535 transitions. [2021-11-23 01:15:06,724 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 535 transitions. [2021-11-23 01:15:06,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:15:06,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:06,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:07,007 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:08,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:08,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 227 states and 535 transitions. [2021-11-23 01:15:08,864 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 535 transitions. [2021-11-23 01:15:08,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:15:08,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:08,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:09,130 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:11,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:11,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 228 states and 541 transitions. [2021-11-23 01:15:11,463 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 541 transitions. [2021-11-23 01:15:11,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:15:11,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:11,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:13,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:13,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 229 states and 545 transitions. [2021-11-23 01:15:13,769 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 545 transitions. [2021-11-23 01:15:13,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:15:13,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:13,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:18,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:18,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 231 states and 549 transitions. [2021-11-23 01:15:18,449 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 549 transitions. [2021-11-23 01:15:18,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:15:18,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:18,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:18,848 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:29,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:29,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 238 states and 558 transitions. [2021-11-23 01:15:29,353 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 558 transitions. [2021-11-23 01:15:29,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:15:29,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:29,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:30,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:30,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 239 states and 561 transitions. [2021-11-23 01:15:30,788 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 561 transitions. [2021-11-23 01:15:30,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:15:30,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:30,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:33,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 240 states and 563 transitions. [2021-11-23 01:15:33,305 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 563 transitions. [2021-11-23 01:15:33,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:15:33,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:33,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:33,599 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:35,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:35,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 241 states and 575 transitions. [2021-11-23 01:15:35,706 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 575 transitions. [2021-11-23 01:15:35,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:15:35,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:35,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:36,032 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:45,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:45,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 246 states and 583 transitions. [2021-11-23 01:15:45,131 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 583 transitions. [2021-11-23 01:15:45,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:15:45,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:45,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:45,528 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:56,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:56,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 252 states and 597 transitions. [2021-11-23 01:15:56,529 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 597 transitions. [2021-11-23 01:15:56,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:15:56,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:56,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:56,821 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:58,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 253 states and 597 transitions. [2021-11-23 01:15:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 597 transitions. [2021-11-23 01:15:58,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:15:58,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:58,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat