./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79363c58-cb35-48f8-a553-1cf02c518634/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79363c58-cb35-48f8-a553-1cf02c518634/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_79363c58-cb35-48f8-a553-1cf02c518634/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79363c58-cb35-48f8-a553-1cf02c518634/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79363c58-cb35-48f8-a553-1cf02c518634/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_79363c58-cb35-48f8-a553-1cf02c518634/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 a476129b1600ab93482417c4ebe15d373b743970a04c4bdd8ca1478cbccf2de7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:13:59,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:13:59,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:13:59,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:13:59,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:13:59,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:13:59,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:13:59,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:13:59,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:13:59,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:13:59,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:13:59,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:13:59,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:13:59,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:13:59,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:13:59,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:13:59,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:13:59,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:13:59,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:13:59,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:13:59,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:13:59,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:13:59,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:13:59,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:13:59,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:13:59,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:13:59,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:13:59,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:13:59,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:13:59,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:13:59,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:13:59,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:13:59,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:13:59,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:13:59,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:13:59,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:13:59,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:13:59,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:13:59,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:13:59,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:13:59,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:13:59,752 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79363c58-cb35-48f8-a553-1cf02c518634/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:13:59,805 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:13:59,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:13:59,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:13:59,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:13:59,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:13:59,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:13:59,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:13:59,810 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:13:59,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:13:59,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:13:59,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:13:59,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:13:59,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:13:59,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:13:59,814 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:13:59,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:13:59,814 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:13:59,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:13:59,815 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:13:59,815 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:13:59,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:13:59,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:13:59,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:13:59,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:13:59,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:13:59,817 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:13:59,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:13:59,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:13:59,818 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_79363c58-cb35-48f8-a553-1cf02c518634/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79363c58-cb35-48f8-a553-1cf02c518634/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a476129b1600ab93482417c4ebe15d373b743970a04c4bdd8ca1478cbccf2de7 [2021-11-23 01:14:00,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:14:00,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:14:00,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:14:00,234 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:14:00,236 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:14:00,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79363c58-cb35-48f8-a553-1cf02c518634/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 01:14:00,346 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79363c58-cb35-48f8-a553-1cf02c518634/bin/ukojak-LBtLqBUTdQ/data/33af8584a/24e20f069e444e2ea26dce44f84392dd/FLAG909476b5b [2021-11-23 01:14:00,885 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:14:00,885 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79363c58-cb35-48f8-a553-1cf02c518634/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 01:14:00,904 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79363c58-cb35-48f8-a553-1cf02c518634/bin/ukojak-LBtLqBUTdQ/data/33af8584a/24e20f069e444e2ea26dce44f84392dd/FLAG909476b5b [2021-11-23 01:14:01,195 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79363c58-cb35-48f8-a553-1cf02c518634/bin/ukojak-LBtLqBUTdQ/data/33af8584a/24e20f069e444e2ea26dce44f84392dd [2021-11-23 01:14:01,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:14:01,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:14:01,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:14:01,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:14:01,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:14:01,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:14:01" (1/1) ... [2021-11-23 01:14:01,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27e0141c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:01, skipping insertion in model container [2021-11-23 01:14:01,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:14:01" (1/1) ... [2021-11-23 01:14:01,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:14:01,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:14:01,753 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_79363c58-cb35-48f8-a553-1cf02c518634/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c[28307,28320] [2021-11-23 01:14:01,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:14:01,777 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:14:01,943 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_79363c58-cb35-48f8-a553-1cf02c518634/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c[28307,28320] [2021-11-23 01:14:01,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:14:01,966 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:14:01,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:01 WrapperNode [2021-11-23 01:14:01,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:14:01,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:14:01,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:14:01,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:14:01,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:01" (1/1) ... [2021-11-23 01:14:02,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:01" (1/1) ... [2021-11-23 01:14:02,090 INFO L137 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 944 [2021-11-23 01:14:02,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:14:02,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:14:02,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:14:02,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:14:02,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:01" (1/1) ... [2021-11-23 01:14:02,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:01" (1/1) ... [2021-11-23 01:14:02,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:01" (1/1) ... [2021-11-23 01:14:02,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:01" (1/1) ... [2021-11-23 01:14:02,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:01" (1/1) ... [2021-11-23 01:14:02,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:01" (1/1) ... [2021-11-23 01:14:02,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:01" (1/1) ... [2021-11-23 01:14:02,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:14:02,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:14:02,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:14:02,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:14:02,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:01" (1/1) ... [2021-11-23 01:14:02,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:14:02,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79363c58-cb35-48f8-a553-1cf02c518634/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:14:02,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79363c58-cb35-48f8-a553-1cf02c518634/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:14:02,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79363c58-cb35-48f8-a553-1cf02c518634/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:14:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:14:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:14:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:14:02,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:14:02,586 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:14:02,588 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:14:03,725 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:14:04,572 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:14:04,572 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:14:04,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:14:04 BoogieIcfgContainer [2021-11-23 01:14:04,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:14:04,578 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:14:04,578 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:14:04,591 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:14:04,592 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:14:04" (1/1) ... [2021-11-23 01:14:04,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:14:04,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:04,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 140 states and 224 transitions. [2021-11-23 01:14:04,710 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 224 transitions. [2021-11-23 01:14:04,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:14:04,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:04,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:05,716 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 01:14:05,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:05,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 141 states and 226 transitions. [2021-11-23 01:14:05,977 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 226 transitions. [2021-11-23 01:14:05,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:14:05,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:05,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:06,248 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 01:14:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:06,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 144 states and 232 transitions. [2021-11-23 01:14:06,628 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 232 transitions. [2021-11-23 01:14:06,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:14:06,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:06,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:07,017 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 01:14:07,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:07,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 148 states and 240 transitions. [2021-11-23 01:14:07,637 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 240 transitions. [2021-11-23 01:14:07,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:14:07,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:07,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:07,984 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 01:14:08,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:08,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 153 states and 250 transitions. [2021-11-23 01:14:08,926 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 250 transitions. [2021-11-23 01:14:08,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:14:08,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:08,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:09,189 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 01:14:10,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:10,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 159 states and 262 transitions. [2021-11-23 01:14:10,205 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 262 transitions. [2021-11-23 01:14:10,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:14:10,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:10,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:11,129 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 01:14:12,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:12,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 167 states and 276 transitions. [2021-11-23 01:14:12,514 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 276 transitions. [2021-11-23 01:14:12,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:14:12,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:12,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:12,965 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 01:14:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:14,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 174 states and 289 transitions. [2021-11-23 01:14:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 289 transitions. [2021-11-23 01:14:14,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:14:14,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:14,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:15,068 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 01:14:15,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:15,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 289 transitions. [2021-11-23 01:14:15,332 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 289 transitions. [2021-11-23 01:14:15,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:14:15,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:15,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:15,450 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 01:14:15,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:15,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 176 states and 290 transitions. [2021-11-23 01:14:15,468 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 290 transitions. [2021-11-23 01:14:15,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:14:15,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:15,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:15,890 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 01:14:18,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:18,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 187 states and 308 transitions. [2021-11-23 01:14:18,993 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 308 transitions. [2021-11-23 01:14:18,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:14:18,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:18,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:19,327 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 01:14:19,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:19,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 190 states and 313 transitions. [2021-11-23 01:14:19,668 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 313 transitions. [2021-11-23 01:14:19,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:14:19,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:19,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:20,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:26,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:26,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 207 states and 348 transitions. [2021-11-23 01:14:26,650 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 348 transitions. [2021-11-23 01:14:26,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:14:26,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:26,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:27,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:34,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:34,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 225 states and 386 transitions. [2021-11-23 01:14:34,951 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 386 transitions. [2021-11-23 01:14:34,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:14:34,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:34,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:35,254 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:35,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:35,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 226 states and 387 transitions. [2021-11-23 01:14:35,785 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 387 transitions. [2021-11-23 01:14:35,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:14:35,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:35,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:36,510 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:44,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:44,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 245 states and 426 transitions. [2021-11-23 01:14:44,134 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 426 transitions. [2021-11-23 01:14:44,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:14:44,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:44,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:44,381 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:45,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:45,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 246 states and 429 transitions. [2021-11-23 01:14:45,023 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 429 transitions. [2021-11-23 01:14:45,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:14:45,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:45,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:45,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:46,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:46,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 248 states and 434 transitions. [2021-11-23 01:14:46,169 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 434 transitions. [2021-11-23 01:14:46,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:14:46,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:46,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:47,117 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:54,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:54,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 268 states and 474 transitions. [2021-11-23 01:14:54,963 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 474 transitions. [2021-11-23 01:14:54,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:14:54,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:54,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:55,232 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:55,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:55,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 269 states and 476 transitions. [2021-11-23 01:14:55,783 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 476 transitions. [2021-11-23 01:14:55,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:14:55,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:55,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:56,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:56,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 270 states and 477 transitions. [2021-11-23 01:14:56,671 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 477 transitions. [2021-11-23 01:14:56,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:14:56,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:56,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:57,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:57,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 271 states and 478 transitions. [2021-11-23 01:14:57,602 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 478 transitions. [2021-11-23 01:14:57,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:14:57,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:57,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:58,078 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:58,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:58,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 272 states and 483 transitions. [2021-11-23 01:14:58,709 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 483 transitions. [2021-11-23 01:14:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:14:58,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:58,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:59,644 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:07,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:07,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 287 states and 516 transitions. [2021-11-23 01:15:07,524 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 516 transitions. [2021-11-23 01:15:07,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:15:07,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:07,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:07,711 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:08,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:08,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 289 states and 519 transitions. [2021-11-23 01:15:08,827 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 519 transitions. [2021-11-23 01:15:08,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:15:08,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:08,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:09,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:09,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 290 states and 520 transitions. [2021-11-23 01:15:09,520 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 520 transitions. [2021-11-23 01:15:09,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:15:09,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:09,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:09,692 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:10,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:10,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 292 states and 528 transitions. [2021-11-23 01:15:10,913 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 528 transitions. [2021-11-23 01:15:10,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:15:10,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:10,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:11,094 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:11,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:11,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 293 states and 529 transitions. [2021-11-23 01:15:11,737 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 529 transitions. [2021-11-23 01:15:11,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:15:11,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:11,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:12,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:12,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 294 states and 530 transitions. [2021-11-23 01:15:12,500 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 530 transitions. [2021-11-23 01:15:12,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:15:12,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:12,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:25,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:25,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 315 states and 569 transitions. [2021-11-23 01:15:25,889 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 569 transitions. [2021-11-23 01:15:25,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:15:25,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:25,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:27,035 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:28,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 317 states and 573 transitions. [2021-11-23 01:15:28,624 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 573 transitions. [2021-11-23 01:15:28,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:15:28,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:28,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:29,745 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:31,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:31,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 320 states and 577 transitions. [2021-11-23 01:15:31,849 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 577 transitions. [2021-11-23 01:15:31,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:15:31,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:31,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:33,166 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:34,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 321 states and 578 transitions. [2021-11-23 01:15:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 578 transitions. [2021-11-23 01:15:34,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:15:34,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:34,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:35,403 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:37,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:37,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 323 states and 584 transitions. [2021-11-23 01:15:37,076 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 584 transitions. [2021-11-23 01:15:37,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:15:37,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:37,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:38,198 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:39,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:39,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 324 states and 585 transitions. [2021-11-23 01:15:39,224 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 585 transitions. [2021-11-23 01:15:39,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:15:39,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:39,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:41,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:41,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 325 states and 586 transitions. [2021-11-23 01:15:41,372 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 586 transitions. [2021-11-23 01:15:41,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:15:41,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:41,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:42,319 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:43,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:43,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 326 states and 587 transitions. [2021-11-23 01:15:43,398 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 587 transitions. [2021-11-23 01:15:43,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:15:43,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:43,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:44,961 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:54,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:54,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 341 states and 624 transitions. [2021-11-23 01:15:54,207 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 624 transitions. [2021-11-23 01:15:54,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:15:54,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:54,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 343 states and 632 transitions. [2021-11-23 01:15:55,826 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 632 transitions. [2021-11-23 01:15:55,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 01:15:55,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:55,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:57,095 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:05,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:05,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 364 states and 665 transitions. [2021-11-23 01:16:05,326 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 665 transitions. [2021-11-23 01:16:05,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:16:05,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:05,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:07,191 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:19,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:19,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 379 states and 732 transitions. [2021-11-23 01:16:19,051 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 732 transitions. [2021-11-23 01:16:19,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:16:19,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:19,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:22,230 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:35,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:35,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 394 states and 787 transitions. [2021-11-23 01:16:35,365 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 787 transitions. [2021-11-23 01:16:35,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:16:35,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:35,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:36,691 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:45,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:45,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 405 states and 809 transitions. [2021-11-23 01:16:45,949 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 809 transitions. [2021-11-23 01:16:45,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:16:45,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:45,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:46,084 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:47,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:47,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 406 states and 809 transitions. [2021-11-23 01:16:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 809 transitions. [2021-11-23 01:16:47,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:16:47,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:47,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:49,681 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:03,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:03,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 422 states and 850 transitions. [2021-11-23 01:17:03,727 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 850 transitions. [2021-11-23 01:17:03,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:17:03,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:03,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:04,041 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:05,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 423 states and 863 transitions. [2021-11-23 01:17:05,170 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 863 transitions. [2021-11-23 01:17:05,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:17:05,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:05,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:16,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:16,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 433 states and 890 transitions. [2021-11-23 01:17:16,253 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 890 transitions. [2021-11-23 01:17:16,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:17:16,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:16,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:18,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:18,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 435 states and 903 transitions. [2021-11-23 01:17:18,407 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 903 transitions. [2021-11-23 01:17:18,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:17:18,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:18,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:18,574 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:19,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 436 states and 903 transitions. [2021-11-23 01:17:19,738 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 903 transitions. [2021-11-23 01:17:19,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:17:19,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:19,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:21,198 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:35,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:35,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 452 states and 947 transitions. [2021-11-23 01:17:35,002 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 947 transitions. [2021-11-23 01:17:35,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:17:35,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:35,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:35,245 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:37,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:37,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 454 states and 962 transitions. [2021-11-23 01:17:37,306 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 962 transitions. [2021-11-23 01:17:37,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:17:37,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:37,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:54,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:54,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 469 states and 1015 transitions. [2021-11-23 01:17:54,939 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 1015 transitions. [2021-11-23 01:17:54,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:17:54,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:54,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:55,400 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:02,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 475 states and 1047 transitions. [2021-11-23 01:18:02,510 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1047 transitions. [2021-11-23 01:18:02,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:18:02,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:02,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:02,985 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:07,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:07,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 479 states and 1065 transitions. [2021-11-23 01:18:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 1065 transitions. [2021-11-23 01:18:07,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:18:07,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:07,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:09,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:09,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 480 states and 1071 transitions. [2021-11-23 01:18:09,074 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1071 transitions. [2021-11-23 01:18:09,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:18:09,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:09,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:14,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:14,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 483 states and 1082 transitions. [2021-11-23 01:18:14,854 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1082 transitions. [2021-11-23 01:18:14,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:18:14,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:14,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:15,116 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:23,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:23,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 490 states and 1107 transitions. [2021-11-23 01:18:23,348 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 1107 transitions. [2021-11-23 01:18:23,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:18:23,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:23,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:23,610 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:27,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:27,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 494 states and 1127 transitions. [2021-11-23 01:18:27,537 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 1127 transitions. [2021-11-23 01:18:27,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:18:27,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:27,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:33,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:33,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 499 states and 1144 transitions. [2021-11-23 01:18:33,874 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1144 transitions. [2021-11-23 01:18:33,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:18:33,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:33,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:34,120 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:35,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:35,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 500 states and 1145 transitions. [2021-11-23 01:18:35,373 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 1145 transitions. [2021-11-23 01:18:35,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:18:35,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:35,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:40,455 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:19,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:19,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 530 states and 1237 transitions. [2021-11-23 01:19:19,117 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1237 transitions. [2021-11-23 01:19:19,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:19:19,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:19,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:20,947 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:28,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:28,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 536 states and 1250 transitions. [2021-11-23 01:19:28,971 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1250 transitions. [2021-11-23 01:19:28,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:19:28,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:28,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:30,634 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:41,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:41,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 543 states and 1268 transitions. [2021-11-23 01:19:41,549 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1268 transitions. [2021-11-23 01:19:41,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:19:41,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:41,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:44,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:44,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 544 states and 1270 transitions. [2021-11-23 01:19:44,869 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 1270 transitions. [2021-11-23 01:19:44,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:19:44,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:44,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:46,321 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:49,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:49,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 547 states and 1275 transitions. [2021-11-23 01:19:49,936 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 1275 transitions. [2021-11-23 01:19:49,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:19:49,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:49,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:53,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:53,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 548 states and 1277 transitions. [2021-11-23 01:19:53,322 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1277 transitions. [2021-11-23 01:19:53,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:19:53,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:53,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:54,902 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:56,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 549 states and 1279 transitions. [2021-11-23 01:19:56,594 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 1279 transitions. [2021-11-23 01:19:56,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:19:56,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:56,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:58,292 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:00,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:00,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 550 states and 1281 transitions. [2021-11-23 01:20:00,007 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1281 transitions. [2021-11-23 01:20:00,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:20:00,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:00,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:02,620 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:24,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:24,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 566 states and 1336 transitions. [2021-11-23 01:20:24,896 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 1336 transitions. [2021-11-23 01:20:24,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:20:24,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:24,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:25,085 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:32,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:32,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 572 states and 1347 transitions. [2021-11-23 01:20:32,518 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 1347 transitions. [2021-11-23 01:20:32,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:20:32,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:32,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:32,732 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:43,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:43,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 579 states and 1363 transitions. [2021-11-23 01:20:43,044 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1363 transitions. [2021-11-23 01:20:43,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:20:43,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:43,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:45,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:45,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 580 states and 1365 transitions. [2021-11-23 01:20:45,106 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1365 transitions. [2021-11-23 01:20:45,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:20:45,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:45,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:45,290 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:48,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:48,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 583 states and 1369 transitions. [2021-11-23 01:20:48,107 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 1369 transitions. [2021-11-23 01:20:48,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:20:48,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:48,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:48,298 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:51,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:51,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 585 states and 1374 transitions. [2021-11-23 01:20:51,654 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1374 transitions. [2021-11-23 01:20:51,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:20:51,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:51,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:51,843 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:53,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 586 states and 1375 transitions. [2021-11-23 01:20:53,832 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1375 transitions. [2021-11-23 01:20:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:20:53,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:53,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:59,295 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:36,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 616 states and 1447 transitions. [2021-11-23 01:21:36,816 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1447 transitions. [2021-11-23 01:21:36,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:21:36,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:36,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:37,406 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:43,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:43,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 622 states and 1458 transitions. [2021-11-23 01:21:43,582 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1458 transitions. [2021-11-23 01:21:43,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:21:43,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:43,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:44,231 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:46,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:46,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 623 states and 1459 transitions. [2021-11-23 01:21:46,104 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1459 transitions. [2021-11-23 01:21:46,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:21:46,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:46,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:46,887 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:51,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:51,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 628 states and 1466 transitions. [2021-11-23 01:21:51,643 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1466 transitions. [2021-11-23 01:21:51,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:21:51,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:51,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:54,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:54,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 629 states and 1468 transitions. [2021-11-23 01:21:54,182 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1468 transitions. [2021-11-23 01:21:54,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:21:54,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:54,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:23,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:23,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 646 states and 1519 transitions. [2021-11-23 01:22:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1519 transitions. [2021-11-23 01:22:23,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:22:23,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:23,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:23,449 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:28,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:28,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 652 states and 1529 transitions. [2021-11-23 01:22:28,717 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1529 transitions. [2021-11-23 01:22:28,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:22:28,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:28,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:29,127 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:34,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:34,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 658 states and 1536 transitions. [2021-11-23 01:22:34,283 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1536 transitions. [2021-11-23 01:22:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:22:34,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:34,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:34,647 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:36,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:36,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 659 states and 1538 transitions. [2021-11-23 01:22:36,681 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1538 transitions. [2021-11-23 01:22:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:22:36,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:36,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:42,666 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:08,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:08,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 678 states and 1570 transitions. [2021-11-23 01:23:08,866 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1570 transitions. [2021-11-23 01:23:08,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:23:08,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:08,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:09,504 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:10,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:10,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 679 states and 1570 transitions. [2021-11-23 01:23:10,785 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1570 transitions. [2021-11-23 01:23:10,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 01:23:10,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:10,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:15,676 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 6 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:29,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:29,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 683 states and 1592 transitions. [2021-11-23 01:23:29,383 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1592 transitions. [2021-11-23 01:23:29,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 01:23:29,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:29,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:00,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:00,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 710 states and 1641 transitions. [2021-11-23 01:24:00,793 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1641 transitions. [2021-11-23 01:24:00,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:24:00,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:00,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:07,118 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:17,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:17,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 713 states and 1645 transitions. [2021-11-23 01:24:17,226 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1645 transitions. [2021-11-23 01:24:17,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 01:24:17,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:17,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:26,381 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 8 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:05,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 728 states and 1737 transitions. [2021-11-23 01:25:05,144 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1737 transitions. [2021-11-23 01:25:05,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:25:05,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:05,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:14,839 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 8 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:46,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:46,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 740 states and 1759 transitions. [2021-11-23 01:25:46,175 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1759 transitions. [2021-11-23 01:25:46,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:25:46,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:46,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:47,042 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 8 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.