./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/in-de31.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_d656152a-5efa-4290-9a22-7cd3eaa9a92d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d656152a-5efa-4290-9a22-7cd3eaa9a92d/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_d656152a-5efa-4290-9a22-7cd3eaa9a92d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d656152a-5efa-4290-9a22-7cd3eaa9a92d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/in-de31.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d656152a-5efa-4290-9a22-7cd3eaa9a92d/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_d656152a-5efa-4290-9a22-7cd3eaa9a92d/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 28f1f7a35f3c64149ac63836a12126d2f43ea1d4c4384507ba9d3ae156113818 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:45:04,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:45:04,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:45:04,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:45:04,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:45:04,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:45:04,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:45:04,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:45:04,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:45:04,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:45:04,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:45:04,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:45:04,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:45:04,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:45:04,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:45:04,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:45:04,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:45:04,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:45:04,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:45:04,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:45:04,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:45:04,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:45:04,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:45:04,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:45:04,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:45:04,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:45:04,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:45:04,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:45:04,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:45:04,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:45:04,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:45:04,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:45:04,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:45:04,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:45:04,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:45:04,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:45:04,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:45:04,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:45:04,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:45:04,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:45:04,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:45:04,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d656152a-5efa-4290-9a22-7cd3eaa9a92d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:45:04,444 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:45:04,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:45:04,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:45:04,445 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:45:04,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:45:04,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:45:04,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:45:04,447 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:45:04,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:45:04,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:45:04,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:45:04,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:45:04,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:45:04,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:45:04,448 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:45:04,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:45:04,449 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:45:04,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:45:04,449 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:45:04,450 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:45:04,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:45:04,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:45:04,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:45:04,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:45:04,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:45:04,451 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:45:04,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:45:04,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:45:04,452 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_d656152a-5efa-4290-9a22-7cd3eaa9a92d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d656152a-5efa-4290-9a22-7cd3eaa9a92d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28f1f7a35f3c64149ac63836a12126d2f43ea1d4c4384507ba9d3ae156113818 [2021-11-23 01:45:04,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:45:04,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:45:04,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:45:04,753 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:45:04,755 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:45:04,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d656152a-5efa-4290-9a22-7cd3eaa9a92d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loops-crafted-1/in-de31.c [2021-11-23 01:45:04,852 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d656152a-5efa-4290-9a22-7cd3eaa9a92d/bin/ukojak-LBtLqBUTdQ/data/fd6aebc90/32d35858b18a40f69e2791ad444f2099/FLAG389d90f28 [2021-11-23 01:45:05,439 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:45:05,439 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d656152a-5efa-4290-9a22-7cd3eaa9a92d/sv-benchmarks/c/loops-crafted-1/in-de31.c [2021-11-23 01:45:05,453 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d656152a-5efa-4290-9a22-7cd3eaa9a92d/bin/ukojak-LBtLqBUTdQ/data/fd6aebc90/32d35858b18a40f69e2791ad444f2099/FLAG389d90f28 [2021-11-23 01:45:05,809 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d656152a-5efa-4290-9a22-7cd3eaa9a92d/bin/ukojak-LBtLqBUTdQ/data/fd6aebc90/32d35858b18a40f69e2791ad444f2099 [2021-11-23 01:45:05,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:45:05,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:45:05,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:45:05,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:45:05,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:45:05,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:45:05" (1/1) ... [2021-11-23 01:45:05,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3662a0b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:05, skipping insertion in model container [2021-11-23 01:45:05,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:45:05" (1/1) ... [2021-11-23 01:45:05,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:45:05,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:45:06,081 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_d656152a-5efa-4290-9a22-7cd3eaa9a92d/sv-benchmarks/c/loops-crafted-1/in-de31.c[368,381] [2021-11-23 01:45:06,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:45:06,111 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:45:06,123 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_d656152a-5efa-4290-9a22-7cd3eaa9a92d/sv-benchmarks/c/loops-crafted-1/in-de31.c[368,381] [2021-11-23 01:45:06,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:45:06,139 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:45:06,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:06 WrapperNode [2021-11-23 01:45:06,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:45:06,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:45:06,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:45:06,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:45:06,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:06" (1/1) ... [2021-11-23 01:45:06,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:06" (1/1) ... [2021-11-23 01:45:06,180 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2021-11-23 01:45:06,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:45:06,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:45:06,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:45:06,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:45:06,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:06" (1/1) ... [2021-11-23 01:45:06,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:06" (1/1) ... [2021-11-23 01:45:06,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:06" (1/1) ... [2021-11-23 01:45:06,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:06" (1/1) ... [2021-11-23 01:45:06,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:06" (1/1) ... [2021-11-23 01:45:06,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:06" (1/1) ... [2021-11-23 01:45:06,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:06" (1/1) ... [2021-11-23 01:45:06,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:45:06,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:45:06,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:45:06,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:45:06,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:06" (1/1) ... [2021-11-23 01:45:06,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:45:06,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d656152a-5efa-4290-9a22-7cd3eaa9a92d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:45:06,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d656152a-5efa-4290-9a22-7cd3eaa9a92d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:45:06,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d656152a-5efa-4290-9a22-7cd3eaa9a92d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:45:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:45:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:45:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:45:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:45:06,391 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:45:06,393 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:45:06,529 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:45:06,551 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:45:06,552 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:45:06,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:06 BoogieIcfgContainer [2021-11-23 01:45:06,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:45:06,555 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:45:06,555 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:45:06,565 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:45:06,566 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:06" (1/1) ... [2021-11-23 01:45:06,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:45:06,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:06,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-11-23 01:45:06,631 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-11-23 01:45:06,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:45:06,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:06,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:06,996 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 01:45:07,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:07,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 13 states and 21 transitions. [2021-11-23 01:45:07,139 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 21 transitions. [2021-11-23 01:45:07,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:45:07,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:07,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:07,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:07,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:07,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2021-11-23 01:45:07,525 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2021-11-23 01:45:07,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:45:07,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:07,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:07,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:07,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:07,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2021-11-23 01:45:07,751 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2021-11-23 01:45:07,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:45:07,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:07,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:07,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:08,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:08,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2021-11-23 01:45:08,146 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2021-11-23 01:45:08,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:45:08,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:08,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:08,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:08,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2021-11-23 01:45:08,829 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2021-11-23 01:45:08,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:45:08,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:08,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:08,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:09,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:09,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 21 states and 40 transitions. [2021-11-23 01:45:09,177 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 40 transitions. [2021-11-23 01:45:09,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:45:09,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:09,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:09,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:11,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:11,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 24 states and 53 transitions. [2021-11-23 01:45:11,034 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 53 transitions. [2021-11-23 01:45:11,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:45:11,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:11,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:11,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:12,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:12,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 26 states and 59 transitions. [2021-11-23 01:45:12,059 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 59 transitions. [2021-11-23 01:45:12,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:45:12,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:12,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:12,240 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:12,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:12,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 27 states and 62 transitions. [2021-11-23 01:45:12,532 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 62 transitions. [2021-11-23 01:45:12,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:45:12,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:12,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:12,650 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:13,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:13,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 28 states and 66 transitions. [2021-11-23 01:45:13,052 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 66 transitions. [2021-11-23 01:45:13,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:45:13,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:13,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:13,199 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:13,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 30 states and 67 transitions. [2021-11-23 01:45:13,957 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 67 transitions. [2021-11-23 01:45:13,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:45:13,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:13,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:14,020 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:15,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:15,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 34 states and 74 transitions. [2021-11-23 01:45:15,300 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 74 transitions. [2021-11-23 01:45:15,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:45:15,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:15,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:15,490 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:15,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:15,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 35 states and 77 transitions. [2021-11-23 01:45:15,822 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 77 transitions. [2021-11-23 01:45:15,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:45:15,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:15,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:15,944 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:16,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:16,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 36 states and 80 transitions. [2021-11-23 01:45:16,369 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 80 transitions. [2021-11-23 01:45:16,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:45:16,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:16,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:16,409 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:45:18,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:18,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 40 states and 99 transitions. [2021-11-23 01:45:18,206 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 99 transitions. [2021-11-23 01:45:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:45:18,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:18,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:18,245 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:45:18,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:18,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 43 states and 104 transitions. [2021-11-23 01:45:18,925 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 104 transitions. [2021-11-23 01:45:18,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:45:18,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:18,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:19,149 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:19,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:19,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 44 states and 107 transitions. [2021-11-23 01:45:19,535 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 107 transitions. [2021-11-23 01:45:19,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:45:19,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:19,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:19,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:20,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:20,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 45 states and 110 transitions. [2021-11-23 01:45:20,204 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 110 transitions. [2021-11-23 01:45:20,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:45:20,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:20,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:20,252 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:20,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:20,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 46 states and 110 transitions. [2021-11-23 01:45:20,661 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 110 transitions. [2021-11-23 01:45:20,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:45:20,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:20,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:21,634 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:23,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:23,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 48 states and 115 transitions. [2021-11-23 01:45:23,319 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 115 transitions. [2021-11-23 01:45:23,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:45:23,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:23,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:24,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:24,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 50 states and 123 transitions. [2021-11-23 01:45:24,697 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 123 transitions. [2021-11-23 01:45:24,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:45:24,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:24,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:24,873 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:26,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:26,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 52 states and 126 transitions. [2021-11-23 01:45:26,089 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 126 transitions. [2021-11-23 01:45:26,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:45:26,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:26,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:26,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:26,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 53 states and 129 transitions. [2021-11-23 01:45:26,942 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 129 transitions. [2021-11-23 01:45:26,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:45:26,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:26,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:27,132 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:27,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:27,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 54 states and 132 transitions. [2021-11-23 01:45:27,912 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 132 transitions. [2021-11-23 01:45:27,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:45:27,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:27,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:27,959 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:28,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 55 states and 132 transitions. [2021-11-23 01:45:28,528 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 132 transitions. [2021-11-23 01:45:28,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:45:28,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:28,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:28,679 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:45:30,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:30,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 60 states and 147 transitions. [2021-11-23 01:45:30,791 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 147 transitions. [2021-11-23 01:45:30,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:45:30,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:30,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:30,833 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:45:33,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:33,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 64 states and 158 transitions. [2021-11-23 01:45:33,195 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 158 transitions. [2021-11-23 01:45:33,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:45:33,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:33,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:33,235 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:45:33,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:33,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 65 states and 159 transitions. [2021-11-23 01:45:33,752 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 159 transitions. [2021-11-23 01:45:33,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:45:33,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:33,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:33,787 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:45:34,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:34,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 66 states and 160 transitions. [2021-11-23 01:45:34,284 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 160 transitions. [2021-11-23 01:45:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:45:34,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:34,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:34,602 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:35,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:35,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 163 transitions. [2021-11-23 01:45:35,278 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2021-11-23 01:45:35,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:45:35,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:35,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:35,465 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:36,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:36,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 68 states and 166 transitions. [2021-11-23 01:45:36,264 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 166 transitions. [2021-11-23 01:45:36,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:45:36,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:36,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:36,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:36,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 69 states and 166 transitions. [2021-11-23 01:45:36,974 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 166 transitions. [2021-11-23 01:45:36,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:45:36,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:36,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:37,015 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:45:38,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:38,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 72 states and 170 transitions. [2021-11-23 01:45:38,623 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 170 transitions. [2021-11-23 01:45:38,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:45:38,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:38,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:39,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:39,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 73 states and 173 transitions. [2021-11-23 01:45:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 173 transitions. [2021-11-23 01:45:39,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:45:39,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:39,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:40,017 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:40,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:40,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 74 states and 176 transitions. [2021-11-23 01:45:40,903 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 176 transitions. [2021-11-23 01:45:40,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:45:40,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:40,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:40,952 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:45:41,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:41,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 75 states and 176 transitions. [2021-11-23 01:45:41,636 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 176 transitions. [2021-11-23 01:45:41,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:45:41,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:41,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:45:46,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:46,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 81 states and 199 transitions. [2021-11-23 01:45:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 199 transitions. [2021-11-23 01:45:46,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:45:46,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:46,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:46,509 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:45:48,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:48,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 85 states and 204 transitions. [2021-11-23 01:45:48,082 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 204 transitions. [2021-11-23 01:45:48,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:45:48,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:48,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:48,119 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:45:48,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:48,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 86 states and 204 transitions. [2021-11-23 01:45:48,855 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 204 transitions. [2021-11-23 01:45:48,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:45:48,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:48,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:51,892 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:59,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:59,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 92 states and 213 transitions. [2021-11-23 01:45:59,021 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 213 transitions. [2021-11-23 01:45:59,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:45:59,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:59,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:59,063 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:59,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 93 states and 214 transitions. [2021-11-23 01:45:59,760 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 214 transitions. [2021-11-23 01:45:59,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:45:59,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:59,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:00,231 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:02,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:02,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 95 states and 217 transitions. [2021-11-23 01:46:02,262 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 217 transitions. [2021-11-23 01:46:02,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:46:02,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:02,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:02,854 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:03,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:03,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 96 states and 220 transitions. [2021-11-23 01:46:03,748 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 220 transitions. [2021-11-23 01:46:03,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:46:03,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:03,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:46:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:05,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 97 states and 223 transitions. [2021-11-23 01:46:05,257 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 223 transitions. [2021-11-23 01:46:05,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:46:05,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:05,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:05,311 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:46:06,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:06,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 98 states and 223 transitions. [2021-11-23 01:46:06,263 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 223 transitions. [2021-11-23 01:46:06,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:46:06,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:06,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:06,308 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:46:08,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:08,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 101 states and 227 transitions. [2021-11-23 01:46:08,338 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 227 transitions. [2021-11-23 01:46:08,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:46:08,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:08,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:46:09,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:09,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 102 states and 227 transitions. [2021-11-23 01:46:09,156 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 227 transitions. [2021-11-23 01:46:09,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:46:09,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:09,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:09,751 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:10,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:10,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 103 states and 230 transitions. [2021-11-23 01:46:10,879 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 230 transitions. [2021-11-23 01:46:10,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:46:10,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:10,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:46:12,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:12,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 104 states and 233 transitions. [2021-11-23 01:46:12,650 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 233 transitions. [2021-11-23 01:46:12,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:46:12,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:12,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:12,700 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:46:13,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:13,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 105 states and 233 transitions. [2021-11-23 01:46:13,648 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 233 transitions. [2021-11-23 01:46:13,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:46:13,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:13,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:46:21,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 112 states and 257 transitions. [2021-11-23 01:46:21,419 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 257 transitions. [2021-11-23 01:46:21,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:46:21,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:21,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:21,465 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:46:23,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:23,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 115 states and 262 transitions. [2021-11-23 01:46:23,839 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 262 transitions. [2021-11-23 01:46:23,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:46:23,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:23,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:23,908 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:46:24,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 117 states and 264 transitions. [2021-11-23 01:46:24,659 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 264 transitions. [2021-11-23 01:46:24,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:46:24,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:24,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:24,708 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:46:25,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:25,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 118 states and 264 transitions. [2021-11-23 01:46:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 264 transitions. [2021-11-23 01:46:25,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:46:25,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:25,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:25,618 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:46:27,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:27,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 120 states and 266 transitions. [2021-11-23 01:46:27,288 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 266 transitions. [2021-11-23 01:46:27,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:46:27,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:27,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:28,004 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:29,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:29,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 121 states and 269 transitions. [2021-11-23 01:46:29,374 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 269 transitions. [2021-11-23 01:46:29,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:46:29,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:29,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:29,692 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:46:31,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:31,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 122 states and 272 transitions. [2021-11-23 01:46:31,410 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 272 transitions. [2021-11-23 01:46:31,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:46:31,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:31,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:46:32,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:32,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 123 states and 272 transitions. [2021-11-23 01:46:32,952 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 272 transitions. [2021-11-23 01:46:32,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:46:32,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:32,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:46:47,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:47,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 126 states and 276 transitions. [2021-11-23 01:46:47,101 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 276 transitions. [2021-11-23 01:46:47,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:46:47,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:47,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:51,240 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:01,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:01,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 131 states and 285 transitions. [2021-11-23 01:47:01,265 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 285 transitions. [2021-11-23 01:47:01,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:47:01,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:01,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:01,900 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:02,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:02,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 132 states and 285 transitions. [2021-11-23 01:47:02,819 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 285 transitions. [2021-11-23 01:47:02,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:47:02,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:02,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:03,567 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:05,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:05,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 134 states and 287 transitions. [2021-11-23 01:47:05,822 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 287 transitions. [2021-11-23 01:47:05,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:47:05,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:05,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:06,793 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:08,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:08,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 135 states and 290 transitions. [2021-11-23 01:47:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 290 transitions. [2021-11-23 01:47:08,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:47:08,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:08,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:47:10,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:10,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 136 states and 293 transitions. [2021-11-23 01:47:10,650 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 293 transitions. [2021-11-23 01:47:10,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:47:10,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:10,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:10,725 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:47:12,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:12,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 137 states and 293 transitions. [2021-11-23 01:47:12,236 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 293 transitions. [2021-11-23 01:47:12,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:47:12,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:12,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:12,778 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:47:20,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:20,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 145 states and 315 transitions. [2021-11-23 01:47:20,768 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 315 transitions. [2021-11-23 01:47:20,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:47:20,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:20,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:47:27,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:27,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 150 states and 326 transitions. [2021-11-23 01:47:27,631 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 326 transitions. [2021-11-23 01:47:27,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:47:27,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:27,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:27,673 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:47:29,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 152 states and 328 transitions. [2021-11-23 01:47:29,974 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 328 transitions. [2021-11-23 01:47:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:47:29,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:30,023 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:31,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:31,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 154 states and 330 transitions. [2021-11-23 01:47:31,856 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 330 transitions. [2021-11-23 01:47:31,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:47:31,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:31,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:32,564 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:34,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:34,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 155 states and 333 transitions. [2021-11-23 01:47:34,131 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 333 transitions. [2021-11-23 01:47:34,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:47:34,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:34,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:34,492 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:47:36,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 156 states and 336 transitions. [2021-11-23 01:47:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 336 transitions. [2021-11-23 01:47:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:47:36,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:36,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:47:37,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:37,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 157 states and 336 transitions. [2021-11-23 01:47:37,850 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 336 transitions. [2021-11-23 01:47:37,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:47:37,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:37,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:47:41,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:41,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 160 states and 340 transitions. [2021-11-23 01:47:41,036 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 340 transitions. [2021-11-23 01:47:41,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:47:41,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:41,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:41,872 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:43,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:43,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 161 states and 343 transitions. [2021-11-23 01:47:43,512 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 343 transitions. [2021-11-23 01:47:43,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:47:43,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:43,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:43,973 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:47:45,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:45,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 162 states and 346 transitions. [2021-11-23 01:47:45,971 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 346 transitions. [2021-11-23 01:47:45,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:47:45,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:45,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:46,036 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:47:47,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:47,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 163 states and 346 transitions. [2021-11-23 01:47:47,503 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 346 transitions. [2021-11-23 01:47:47,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:47:47,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:47,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:47,975 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:47:56,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:56,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 172 states and 371 transitions. [2021-11-23 01:47:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 371 transitions. [2021-11-23 01:47:56,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:47:56,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:56,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:48:05,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:05,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 178 states and 384 transitions. [2021-11-23 01:48:05,847 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 384 transitions. [2021-11-23 01:48:05,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:48:05,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:05,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:05,887 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:48:07,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:07,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 180 states and 384 transitions. [2021-11-23 01:48:07,992 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 384 transitions. [2021-11-23 01:48:07,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:48:07,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:07,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 14 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:48:10,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:10,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 182 states and 386 transitions. [2021-11-23 01:48:10,270 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 386 transitions. [2021-11-23 01:48:10,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:48:10,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:10,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:10,315 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:48:11,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:11,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 183 states and 386 transitions. [2021-11-23 01:48:11,564 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 386 transitions. [2021-11-23 01:48:11,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:48:11,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:11,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:34,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:34,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 188 states and 396 transitions. [2021-11-23 01:48:34,161 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 396 transitions. [2021-11-23 01:48:34,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:48:34,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:34,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:35,739 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:40,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 191 states and 397 transitions. [2021-11-23 01:48:40,756 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 397 transitions. [2021-11-23 01:48:40,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:48:40,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:40,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:42,290 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:45,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:45,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 193 states and 399 transitions. [2021-11-23 01:48:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 399 transitions. [2021-11-23 01:48:45,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:48:45,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:45,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:46,811 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 194 states and 402 transitions. [2021-11-23 01:48:49,065 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 402 transitions. [2021-11-23 01:48:49,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:48:49,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:49,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:49,670 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:48:52,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:52,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 195 states and 405 transitions. [2021-11-23 01:48:52,354 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 405 transitions. [2021-11-23 01:48:52,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:48:52,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:52,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:52,435 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:48:54,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:54,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 196 states and 405 transitions. [2021-11-23 01:48:54,856 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 405 transitions. [2021-11-23 01:48:54,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:48:54,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:54,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:54,910 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:48:59,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 199 states and 409 transitions. [2021-11-23 01:48:59,903 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 409 transitions. [2021-11-23 01:48:59,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:48:59,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:59,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:01,011 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:03,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:03,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 200 states and 412 transitions. [2021-11-23 01:49:03,466 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 412 transitions. [2021-11-23 01:49:03,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:49:03,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:03,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:49:07,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 201 states and 415 transitions. [2021-11-23 01:49:07,222 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 415 transitions. [2021-11-23 01:49:07,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:49:07,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:07,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:07,297 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:49:09,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:09,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 202 states and 415 transitions. [2021-11-23 01:49:09,829 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 415 transitions. [2021-11-23 01:49:09,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:49:09,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:09,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:10,462 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:49:26,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:26,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 212 states and 443 transitions. [2021-11-23 01:49:26,681 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 443 transitions. [2021-11-23 01:49:26,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:49:26,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:26,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:49:32,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:32,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 216 states and 448 transitions. [2021-11-23 01:49:32,219 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 448 transitions. [2021-11-23 01:49:32,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:49:32,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:32,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:32,271 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:49:44,165 WARN L227 SmtUtils]: Spent 5.65s on a formula simplification. DAG size of input: 74 DAG size of output: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:49:46,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:46,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 221 states and 456 transitions. [2021-11-23 01:49:46,888 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 456 transitions. [2021-11-23 01:49:46,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:49:46,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:46,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:46,955 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 16 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:50,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:50,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 222 states and 452 transitions. [2021-11-23 01:49:50,860 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 452 transitions. [2021-11-23 01:49:50,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:49:50,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:50,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:50,908 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:49:52,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:52,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 223 states and 452 transitions. [2021-11-23 01:49:52,374 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 452 transitions. [2021-11-23 01:49:52,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:49:52,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:52,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:53,467 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:56,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 224 states and 455 transitions. [2021-11-23 01:49:56,037 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 455 transitions. [2021-11-23 01:49:56,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:49:56,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:56,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:56,763 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 137 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:49:59,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:59,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 225 states and 458 transitions. [2021-11-23 01:49:59,731 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 458 transitions. [2021-11-23 01:49:59,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:49:59,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:59,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:59,798 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:50:01,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:01,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 226 states and 458 transitions. [2021-11-23 01:50:01,935 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 458 transitions. [2021-11-23 01:50:01,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:50:01,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:01,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:01,980 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:50:06,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:06,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 229 states and 462 transitions. [2021-11-23 01:50:06,778 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 462 transitions. [2021-11-23 01:50:06,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:50:06,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:06,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:35,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:35,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 235 states and 473 transitions. [2021-11-23 01:50:35,369 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 473 transitions. [2021-11-23 01:50:35,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:50:35,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:35,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:37,324 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:47,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:47,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 239 states and 475 transitions. [2021-11-23 01:50:47,126 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 475 transitions. [2021-11-23 01:50:47,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:50:47,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:47,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:49,103 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:52,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:52,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 241 states and 477 transitions. [2021-11-23 01:50:52,821 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 477 transitions. [2021-11-23 01:50:52,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:50:52,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:52,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:53,984 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:56,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:56,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 242 states and 480 transitions. [2021-11-23 01:50:56,748 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 480 transitions. [2021-11-23 01:50:56,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:50:56,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:56,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:57,315 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:51:00,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:00,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 243 states and 483 transitions. [2021-11-23 01:51:00,343 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 483 transitions. [2021-11-23 01:51:00,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:51:00,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:00,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:51:02,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:02,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 244 states and 483 transitions. [2021-11-23 01:51:02,696 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 483 transitions. [2021-11-23 01:51:02,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:51:02,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:02,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:03,612 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:51:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 255 states and 514 transitions. [2021-11-23 01:51:20,808 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 514 transitions. [2021-11-23 01:51:20,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:51:20,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:20,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:20,860 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:51:35,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:35,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 262 states and 527 transitions. [2021-11-23 01:51:35,385 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 527 transitions. [2021-11-23 01:51:35,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:51:35,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:35,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:35,440 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:51:38,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:38,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 264 states and 527 transitions. [2021-11-23 01:51:38,539 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 527 transitions. [2021-11-23 01:51:38,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:51:38,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:38,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:38,588 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:51:40,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:40,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 265 states and 527 transitions. [2021-11-23 01:51:40,310 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 527 transitions. [2021-11-23 01:51:40,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:51:40,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:40,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:40,374 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 18 proven. 72 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:51:43,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:43,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 267 states and 529 transitions. [2021-11-23 01:51:43,497 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 529 transitions. [2021-11-23 01:51:43,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:51:43,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:43,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:51:45,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:45,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 268 states and 529 transitions. [2021-11-23 01:51:45,192 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 529 transitions. [2021-11-23 01:51:45,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:51:45,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:45,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:46,538 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:49,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:49,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 269 states and 532 transitions. [2021-11-23 01:51:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 532 transitions. [2021-11-23 01:51:49,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:51:49,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:49,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:51:53,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:53,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 270 states and 535 transitions. [2021-11-23 01:51:53,841 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 535 transitions. [2021-11-23 01:51:53,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:51:53,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:53,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:53,918 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:51:56,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:56,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 271 states and 535 transitions. [2021-11-23 01:51:56,757 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 535 transitions. [2021-11-23 01:51:56,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:51:56,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:56,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:56,814 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:52:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:02,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 274 states and 539 transitions. [2021-11-23 01:52:02,626 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 539 transitions. [2021-11-23 01:52:02,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:52:02,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:02,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:04,167 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:07,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:07,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 275 states and 542 transitions. [2021-11-23 01:52:07,292 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 542 transitions. [2021-11-23 01:52:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:52:07,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:07,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:07,930 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:52:11,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:11,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 276 states and 545 transitions. [2021-11-23 01:52:11,640 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 545 transitions. [2021-11-23 01:52:11,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:52:11,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:11,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:11,724 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:52:14,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 277 states and 545 transitions. [2021-11-23 01:52:14,689 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 545 transitions. [2021-11-23 01:52:14,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:52:14,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:14,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:15,446 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 01:52:37,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:37,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 289 states and 575 transitions. [2021-11-23 01:52:37,151 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 575 transitions. [2021-11-23 01:52:37,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:52:37,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:37,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:37,212 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 01:52:50,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:50,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 294 states and 588 transitions. [2021-11-23 01:52:50,922 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 588 transitions. [2021-11-23 01:52:50,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:52:50,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:50,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:50,966 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 01:52:56,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:56,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 297 states and 592 transitions. [2021-11-23 01:52:56,828 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 592 transitions. [2021-11-23 01:52:56,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:52:56,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:56,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 01:53:02,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:02,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 300 states and 592 transitions. [2021-11-23 01:53:02,377 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 592 transitions. [2021-11-23 01:53:02,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:53:02,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:02,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:02,452 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 20 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:53:06,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:06,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 302 states and 594 transitions. [2021-11-23 01:53:06,088 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 594 transitions. [2021-11-23 01:53:06,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:53:06,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:06,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:06,273 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:53:07,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:07,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 303 states and 594 transitions. [2021-11-23 01:53:07,954 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 594 transitions. [2021-11-23 01:53:07,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:53:07,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:07,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:53:51,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:51,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 310 states and 608 transitions. [2021-11-23 01:53:51,675 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 608 transitions. [2021-11-23 01:53:51,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:53:51,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:51,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:56,926 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:07,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 315 states and 609 transitions. [2021-11-23 01:54:07,761 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 609 transitions. [2021-11-23 01:54:07,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:54:07,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:07,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:11,401 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:16,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:16,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 317 states and 611 transitions. [2021-11-23 01:54:16,061 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 611 transitions. [2021-11-23 01:54:16,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:54:16,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:16,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:17,767 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:21,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:21,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 318 states and 614 transitions. [2021-11-23 01:54:21,828 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 614 transitions. [2021-11-23 01:54:21,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:54:21,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:21,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:22,779 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 211 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:54:27,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:27,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 319 states and 617 transitions. [2021-11-23 01:54:27,271 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 617 transitions. [2021-11-23 01:54:27,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:54:27,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:27,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:27,355 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 193 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:54:31,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:31,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 320 states and 617 transitions. [2021-11-23 01:54:31,155 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 617 transitions. [2021-11-23 01:54:31,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:54:31,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:31,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:31,222 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 01:54:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 323 states and 621 transitions. [2021-11-23 01:54:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 621 transitions. [2021-11-23 01:54:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:54:38,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:38,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:40,568 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:54:45,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:45,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 324 states and 624 transitions. [2021-11-23 01:54:45,051 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 624 transitions. [2021-11-23 01:54:45,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:54:45,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:45,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:45,967 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:54:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:50,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 325 states and 627 transitions. [2021-11-23 01:54:50,760 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 627 transitions. [2021-11-23 01:54:50,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:54:50,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:50,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:50,843 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 213 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:54:54,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:54:54,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 326 states and 627 transitions. [2021-11-23 01:54:54,542 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 627 transitions. [2021-11-23 01:54:54,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:54:54,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:54:54,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:55,639 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 01:55:32,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:32,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 339 states and 666 transitions. [2021-11-23 01:55:32,920 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 666 transitions. [2021-11-23 01:55:32,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:55:32,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:32,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:32,974 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 01:55:42,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:42,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 343 states and 671 transitions. [2021-11-23 01:55:42,714 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 671 transitions. [2021-11-23 01:55:42,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:55:42,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:42,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:42,767 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 01:55:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:49,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 346 states and 673 transitions. [2021-11-23 01:55:49,731 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 673 transitions. [2021-11-23 01:55:49,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:55:49,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:49,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:49,789 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 01:55:58,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:58,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 350 states and 677 transitions. [2021-11-23 01:55:58,791 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 677 transitions. [2021-11-23 01:55:58,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:55:58,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:58,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:58,837 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 01:56:01,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 351 states and 677 transitions. [2021-11-23 01:56:01,243 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 677 transitions. [2021-11-23 01:56:01,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:56:01,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:01,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 22 proven. 110 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:56:09,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:09,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 352 states and 673 transitions. [2021-11-23 01:56:09,403 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 673 transitions. [2021-11-23 01:56:09,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:56:09,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:09,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:09,481 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 01:56:12,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:12,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 353 states and 673 transitions. [2021-11-23 01:56:12,298 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 673 transitions. [2021-11-23 01:56:12,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:56:12,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:12,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:14,614 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:19,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:19,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 354 states and 676 transitions. [2021-11-23 01:56:19,218 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 676 transitions. [2021-11-23 01:56:19,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:56:19,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:19,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:20,063 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 254 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:56:24,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 355 states and 679 transitions. [2021-11-23 01:56:24,788 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 679 transitions. [2021-11-23 01:56:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:56:24,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:24,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:56:28,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:28,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 356 states and 679 transitions. [2021-11-23 01:56:28,569 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 679 transitions. [2021-11-23 01:56:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:56:28,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:28,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:28,616 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 01:56:36,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:36,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 359 states and 683 transitions. [2021-11-23 01:56:36,169 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 683 transitions. [2021-11-23 01:56:36,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:56:36,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:36,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:56,322 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.