./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db68487c-7145-400c-a35b-c265685d2aac/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db68487c-7145-400c-a35b-c265685d2aac/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_db68487c-7145-400c-a35b-c265685d2aac/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db68487c-7145-400c-a35b-c265685d2aac/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db68487c-7145-400c-a35b-c265685d2aac/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_db68487c-7145-400c-a35b-c265685d2aac/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 2e33738ed6ea5e50e5f6c45ef52d667e94a1539d08a631ee5964d7b99a8f5c91 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:07:17,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:07:17,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:07:17,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:07:17,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:07:17,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:07:17,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:07:17,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:07:17,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:07:17,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:07:17,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:07:17,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:07:17,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:07:17,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:07:17,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:07:17,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:07:17,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:07:17,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:07:17,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:07:17,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:07:17,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:07:17,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:07:17,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:07:17,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:07:17,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:07:17,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:07:17,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:07:17,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:07:17,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:07:17,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:07:17,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:07:17,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:07:17,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:07:17,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:07:17,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:07:17,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:07:17,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:07:17,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:07:17,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:07:17,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:07:17,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:07:17,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db68487c-7145-400c-a35b-c265685d2aac/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:07:17,591 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:07:17,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:07:17,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:07:17,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:07:17,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:07:17,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:07:17,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:07:17,596 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:07:17,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:07:17,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:07:17,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:07:17,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:07:17,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:07:17,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:07:17,607 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:07:17,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:07:17,607 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:07:17,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:07:17,608 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:07:17,608 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:07:17,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:07:17,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:07:17,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:07:17,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:07:17,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:07:17,610 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:07:17,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:07:17,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:07:17,611 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_db68487c-7145-400c-a35b-c265685d2aac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db68487c-7145-400c-a35b-c265685d2aac/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e33738ed6ea5e50e5f6c45ef52d667e94a1539d08a631ee5964d7b99a8f5c91 [2021-11-22 23:07:17,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:07:18,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:07:18,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:07:18,024 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:07:18,025 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:07:18,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db68487c-7145-400c-a35b-c265685d2aac/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c [2021-11-22 23:07:18,124 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db68487c-7145-400c-a35b-c265685d2aac/bin/ukojak-LBtLqBUTdQ/data/fa4b4f9ba/b419163eb56e429d99d60e5c41de50d7/FLAGf4a9fe238 [2021-11-22 23:07:18,701 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:07:18,702 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db68487c-7145-400c-a35b-c265685d2aac/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c [2021-11-22 23:07:18,719 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db68487c-7145-400c-a35b-c265685d2aac/bin/ukojak-LBtLqBUTdQ/data/fa4b4f9ba/b419163eb56e429d99d60e5c41de50d7/FLAGf4a9fe238 [2021-11-22 23:07:18,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db68487c-7145-400c-a35b-c265685d2aac/bin/ukojak-LBtLqBUTdQ/data/fa4b4f9ba/b419163eb56e429d99d60e5c41de50d7 [2021-11-22 23:07:19,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:07:19,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:07:19,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:07:19,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:07:19,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:07:19,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:07:19" (1/1) ... [2021-11-22 23:07:19,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55faeb20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:19, skipping insertion in model container [2021-11-22 23:07:19,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:07:19" (1/1) ... [2021-11-22 23:07:19,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:07:19,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:07:19,476 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_db68487c-7145-400c-a35b-c265685d2aac/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c[28368,28381] [2021-11-22 23:07:19,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:07:19,494 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:07:19,609 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_db68487c-7145-400c-a35b-c265685d2aac/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c[28368,28381] [2021-11-22 23:07:19,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:07:19,641 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:07:19,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:19 WrapperNode [2021-11-22 23:07:19,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:07:19,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:07:19,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:07:19,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:07:19,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:19" (1/1) ... [2021-11-22 23:07:19,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:19" (1/1) ... [2021-11-22 23:07:19,763 INFO L137 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 952 [2021-11-22 23:07:19,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:07:19,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:07:19,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:07:19,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:07:19,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:19" (1/1) ... [2021-11-22 23:07:19,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:19" (1/1) ... [2021-11-22 23:07:19,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:19" (1/1) ... [2021-11-22 23:07:19,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:19" (1/1) ... [2021-11-22 23:07:19,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:19" (1/1) ... [2021-11-22 23:07:19,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:19" (1/1) ... [2021-11-22 23:07:19,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:19" (1/1) ... [2021-11-22 23:07:19,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:07:19,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:07:19,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:07:19,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:07:19,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:07:19" (1/1) ... [2021-11-22 23:07:19,874 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:07:19,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db68487c-7145-400c-a35b-c265685d2aac/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:07:19,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db68487c-7145-400c-a35b-c265685d2aac/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:07:19,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db68487c-7145-400c-a35b-c265685d2aac/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:07:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:07:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:07:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:07:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:07:20,172 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:07:20,174 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:07:21,255 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:07:22,212 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:07:22,212 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:07:22,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:07:22 BoogieIcfgContainer [2021-11-22 23:07:22,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:07:22,218 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:07:22,218 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:07:22,228 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:07:22,229 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:07:22" (1/1) ... [2021-11-22 23:07:22,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:07:22,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:22,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 140 states and 224 transitions. [2021-11-22 23:07:22,340 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 224 transitions. [2021-11-22 23:07:22,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:07:22,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:22,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:23,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:23,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 141 states and 226 transitions. [2021-11-22 23:07:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 226 transitions. [2021-11-22 23:07:23,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:07:23,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:23,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:23,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:24,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 144 states and 232 transitions. [2021-11-22 23:07:24,151 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 232 transitions. [2021-11-22 23:07:24,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:07:24,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:24,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:24,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 148 states and 240 transitions. [2021-11-22 23:07:24,848 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 240 transitions. [2021-11-22 23:07:24,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:07:24,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:24,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:25,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:25,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:25,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 153 states and 250 transitions. [2021-11-22 23:07:25,764 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 250 transitions. [2021-11-22 23:07:25,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:07:25,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:25,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:26,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:26,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:26,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 159 states and 262 transitions. [2021-11-22 23:07:26,854 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 262 transitions. [2021-11-22 23:07:26,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:07:26,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:26,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:27,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:28,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:28,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 167 states and 276 transitions. [2021-11-22 23:07:28,473 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 276 transitions. [2021-11-22 23:07:28,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:07:28,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:28,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:29,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:30,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 174 states and 289 transitions. [2021-11-22 23:07:30,341 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 289 transitions. [2021-11-22 23:07:30,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:07:30,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 289 transitions. [2021-11-22 23:07:30,765 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 289 transitions. [2021-11-22 23:07:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:07:30,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:30,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:30,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:30,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 176 states and 290 transitions. [2021-11-22 23:07:30,880 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 290 transitions. [2021-11-22 23:07:30,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:07:30,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:30,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:31,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:33,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:33,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 187 states and 308 transitions. [2021-11-22 23:07:33,503 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 308 transitions. [2021-11-22 23:07:33,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:07:33,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:33,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:33,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:34,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:34,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 190 states and 313 transitions. [2021-11-22 23:07:34,029 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 313 transitions. [2021-11-22 23:07:34,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:07:34,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:34,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:35,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:40,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:40,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 207 states and 343 transitions. [2021-11-22 23:07:40,349 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 343 transitions. [2021-11-22 23:07:40,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:07:40,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:40,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:40,912 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:45,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:45,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 225 states and 374 transitions. [2021-11-22 23:07:45,561 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 374 transitions. [2021-11-22 23:07:45,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:07:45,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:45,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:46,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:51,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:51,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 244 states and 408 transitions. [2021-11-22 23:07:51,112 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 408 transitions. [2021-11-22 23:07:51,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:07:51,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:51,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:51,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:52,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 246 states and 412 transitions. [2021-11-22 23:07:52,124 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 412 transitions. [2021-11-22 23:07:52,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:07:52,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:52,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:52,687 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:58,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:58,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 266 states and 447 transitions. [2021-11-22 23:07:58,260 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 447 transitions. [2021-11-22 23:07:58,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:07:58,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:58,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:58,446 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:07:59,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:59,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 269 states and 456 transitions. [2021-11-22 23:07:59,662 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 456 transitions. [2021-11-22 23:07:59,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:07:59,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:59,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:59,825 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:00,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:00,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 271 states and 461 transitions. [2021-11-22 23:08:00,700 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 461 transitions. [2021-11-22 23:08:00,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:08:00,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:00,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:01,407 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:06,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:06,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 286 states and 492 transitions. [2021-11-22 23:08:06,177 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 492 transitions. [2021-11-22 23:08:06,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:08:06,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:06,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:07,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:07,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 289 states and 497 transitions. [2021-11-22 23:08:07,820 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 497 transitions. [2021-11-22 23:08:07,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:08:07,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:07,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:08,120 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:08,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:08,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 290 states and 498 transitions. [2021-11-22 23:08:08,730 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 498 transitions. [2021-11-22 23:08:08,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:08:08,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:08,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:09,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:09,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 291 states and 504 transitions. [2021-11-22 23:08:09,743 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 504 transitions. [2021-11-22 23:08:09,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:08:09,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:09,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:09,988 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:10,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:10,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 292 states and 505 transitions. [2021-11-22 23:08:10,462 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 505 transitions. [2021-11-22 23:08:10,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:08:10,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:10,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:11,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:11,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 293 states and 506 transitions. [2021-11-22 23:08:11,238 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 506 transitions. [2021-11-22 23:08:11,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:08:11,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:11,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:13,783 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:19,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:19,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 309 states and 525 transitions. [2021-11-22 23:08:19,002 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 525 transitions. [2021-11-22 23:08:19,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:08:19,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:19,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:19,915 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:22,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:22,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 315 states and 538 transitions. [2021-11-22 23:08:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 538 transitions. [2021-11-22 23:08:22,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:08:22,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:22,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:24,846 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:30,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:30,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 324 states and 559 transitions. [2021-11-22 23:08:30,230 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 559 transitions. [2021-11-22 23:08:30,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:08:30,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:30,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:31,398 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:40,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:40,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 339 states and 614 transitions. [2021-11-22 23:08:40,499 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 614 transitions. [2021-11-22 23:08:40,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:08:40,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:40,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:41,249 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:50,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:50,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 354 states and 659 transitions. [2021-11-22 23:08:50,110 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 659 transitions. [2021-11-22 23:08:50,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:08:50,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:50,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:51,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:51,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 356 states and 665 transitions. [2021-11-22 23:08:51,731 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 665 transitions. [2021-11-22 23:08:51,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:08:51,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:51,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:52,599 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:00,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:00,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 367 states and 689 transitions. [2021-11-22 23:09:00,499 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 689 transitions. [2021-11-22 23:09:00,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:09:00,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:00,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:00,663 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:02,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:02,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 369 states and 697 transitions. [2021-11-22 23:09:02,087 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 697 transitions. [2021-11-22 23:09:02,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:09:02,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:02,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:02,261 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:03,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:03,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 370 states and 697 transitions. [2021-11-22 23:09:03,138 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 697 transitions. [2021-11-22 23:09:03,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:09:03,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:03,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:04,122 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:11,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:11,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 380 states and 716 transitions. [2021-11-22 23:09:11,972 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 716 transitions. [2021-11-22 23:09:11,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:09:11,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:11,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:12,187 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:13,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:13,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 381 states and 722 transitions. [2021-11-22 23:09:13,120 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 722 transitions. [2021-11-22 23:09:13,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:09:13,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:13,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:13,336 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:14,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:14,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 382 states and 724 transitions. [2021-11-22 23:09:14,104 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 724 transitions. [2021-11-22 23:09:14,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:09:14,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:14,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:14,280 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:15,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:15,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 383 states and 727 transitions. [2021-11-22 23:09:15,246 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 727 transitions. [2021-11-22 23:09:15,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:09:15,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:15,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:15,589 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:16,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:16,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 384 states and 731 transitions. [2021-11-22 23:09:16,660 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 731 transitions. [2021-11-22 23:09:16,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:09:16,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:16,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:25,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:25,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 394 states and 758 transitions. [2021-11-22 23:09:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 758 transitions. [2021-11-22 23:09:25,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:09:25,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:25,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:25,971 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:27,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:27,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 396 states and 769 transitions. [2021-11-22 23:09:27,594 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 769 transitions. [2021-11-22 23:09:27,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:09:27,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:27,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:28,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:28,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 397 states and 772 transitions. [2021-11-22 23:09:28,594 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 772 transitions. [2021-11-22 23:09:28,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:09:28,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:28,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:28,869 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:29,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:29,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 398 states and 773 transitions. [2021-11-22 23:09:29,908 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 773 transitions. [2021-11-22 23:09:29,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:09:29,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:29,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:30,095 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:31,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:31,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 399 states and 780 transitions. [2021-11-22 23:09:31,311 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 780 transitions. [2021-11-22 23:09:31,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:09:31,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:31,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:31,469 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:32,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:32,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 400 states and 783 transitions. [2021-11-22 23:09:32,509 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 783 transitions. [2021-11-22 23:09:32,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 23:09:32,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:32,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:33,896 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:46,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:46,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 417 states and 830 transitions. [2021-11-22 23:09:46,604 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 830 transitions. [2021-11-22 23:09:46,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 23:09:46,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:46,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:46,963 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:49,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:49,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 420 states and 836 transitions. [2021-11-22 23:09:49,620 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 836 transitions. [2021-11-22 23:09:49,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 23:09:49,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:49,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:49,983 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:51,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:51,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 422 states and 838 transitions. [2021-11-22 23:09:51,620 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 838 transitions. [2021-11-22 23:09:51,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 23:09:51,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:51,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:51,974 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:54,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:54,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 425 states and 853 transitions. [2021-11-22 23:09:54,213 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 853 transitions. [2021-11-22 23:09:54,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 23:09:54,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:54,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:55,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 426 states and 854 transitions. [2021-11-22 23:09:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 854 transitions. [2021-11-22 23:09:55,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 23:09:55,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:55,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:55,838 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:58,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:58,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 429 states and 866 transitions. [2021-11-22 23:09:58,243 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 866 transitions. [2021-11-22 23:09:58,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 23:09:58,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:58,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:58,621 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:01,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:01,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 432 states and 878 transitions. [2021-11-22 23:10:01,070 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 878 transitions. [2021-11-22 23:10:01,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:10:01,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:01,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:03,139 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:20,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:20,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 451 states and 955 transitions. [2021-11-22 23:10:20,950 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 955 transitions. [2021-11-22 23:10:20,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:10:20,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:20,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:21,434 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:23,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:23,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 454 states and 964 transitions. [2021-11-22 23:10:23,657 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 964 transitions. [2021-11-22 23:10:23,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:10:23,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:23,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:24,330 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:27,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:27,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 457 states and 978 transitions. [2021-11-22 23:10:27,517 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 978 transitions. [2021-11-22 23:10:27,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:10:27,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:27,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:28,046 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:29,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 458 states and 989 transitions. [2021-11-22 23:10:29,283 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 989 transitions. [2021-11-22 23:10:29,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:10:29,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:29,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:29,957 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:32,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:32,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 461 states and 1000 transitions. [2021-11-22 23:10:32,242 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 1000 transitions. [2021-11-22 23:10:32,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:10:32,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:32,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:32,803 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:34,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:34,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 462 states and 1001 transitions. [2021-11-22 23:10:34,039 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 1001 transitions. [2021-11-22 23:10:34,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:10:34,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:34,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:34,622 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:35,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:35,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 463 states and 1002 transitions. [2021-11-22 23:10:35,744 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 1002 transitions. [2021-11-22 23:10:35,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:10:35,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:35,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:36,295 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:38,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:38,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 466 states and 1011 transitions. [2021-11-22 23:10:38,579 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1011 transitions. [2021-11-22 23:10:38,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:10:38,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:38,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:39,008 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:41,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:41,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 469 states and 1021 transitions. [2021-11-22 23:10:41,179 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 1021 transitions. [2021-11-22 23:10:41,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:10:41,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:41,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:41,941 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:53,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:53,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 478 states and 1050 transitions. [2021-11-22 23:10:53,546 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 1050 transitions. [2021-11-22 23:10:53,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:10:53,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:53,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:59,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:59,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 483 states and 1068 transitions. [2021-11-22 23:10:59,087 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1068 transitions. [2021-11-22 23:10:59,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:10:59,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:59,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:59,439 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:00,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:00,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 484 states and 1069 transitions. [2021-11-22 23:11:00,936 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1069 transitions. [2021-11-22 23:11:00,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:11:00,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:00,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:01,517 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:05,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:05,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 488 states and 1088 transitions. [2021-11-22 23:11:05,439 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 1088 transitions. [2021-11-22 23:11:05,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:11:05,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:05,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:05,835 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:07,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:07,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 489 states and 1089 transitions. [2021-11-22 23:11:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1089 transitions. [2021-11-22 23:11:07,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:11:07,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:07,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:07,526 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:11,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:11,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 493 states and 1103 transitions. [2021-11-22 23:11:11,285 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 1103 transitions. [2021-11-22 23:11:11,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:11:11,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:11,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:11,693 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:12,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:12,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 494 states and 1106 transitions. [2021-11-22 23:11:12,938 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 1106 transitions. [2021-11-22 23:11:12,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:11:12,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:12,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:13,289 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:14,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:14,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 496 states and 1112 transitions. [2021-11-22 23:11:14,427 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 1112 transitions. [2021-11-22 23:11:14,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-22 23:11:14,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:14,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat