./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.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_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/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_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/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_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/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 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:25:54,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:25:54,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:25:55,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:25:55,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:25:55,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:25:55,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:25:55,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:25:55,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:25:55,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:25:55,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:25:55,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:25:55,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:25:55,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:25:55,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:25:55,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:25:55,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:25:55,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:25:55,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:25:55,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:25:55,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:25:55,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:25:55,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:25:55,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:25:55,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:25:55,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:25:55,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:25:55,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:25:55,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:25:55,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:25:55,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:25:55,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:25:55,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:25:55,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:25:55,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:25:55,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:25:55,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:25:55,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:25:55,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:25:55,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:25:55,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:25:55,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:25:55,118 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:25:55,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:25:55,120 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:25:55,120 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:25:55,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:25:55,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:25:55,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:25:55,122 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:25:55,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:25:55,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:25:55,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:25:55,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:25:55,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:25:55,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:25:55,132 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:25:55,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:25:55,132 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:25:55,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:25:55,133 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:25:55,133 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:25:55,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:25:55,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:25:55,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:25:55,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:25:55,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:25:55,134 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:25:55,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:25:55,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:25:55,135 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_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 [2021-11-23 01:25:55,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:25:55,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:25:55,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:25:55,445 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:25:55,446 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:25:55,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2021-11-23 01:25:55,509 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/bin/ukojak-LBtLqBUTdQ/data/0db6f3483/764b2199a8d34b30961acc0ca08f797f/FLAGaa1fed39d [2021-11-23 01:25:55,950 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:25:55,951 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2021-11-23 01:25:55,962 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/bin/ukojak-LBtLqBUTdQ/data/0db6f3483/764b2199a8d34b30961acc0ca08f797f/FLAGaa1fed39d [2021-11-23 01:25:56,368 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/bin/ukojak-LBtLqBUTdQ/data/0db6f3483/764b2199a8d34b30961acc0ca08f797f [2021-11-23 01:25:56,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:25:56,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:25:56,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:25:56,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:25:56,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:25:56,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:25:56" (1/1) ... [2021-11-23 01:25:56,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468ce61b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:56, skipping insertion in model container [2021-11-23 01:25:56,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:25:56" (1/1) ... [2021-11-23 01:25:56,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:25:56,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:25:56,561 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_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c[520,533] [2021-11-23 01:25:56,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:25:56,597 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:25:56,613 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_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c[520,533] [2021-11-23 01:25:56,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:25:56,653 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:25:56,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:56 WrapperNode [2021-11-23 01:25:56,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:25:56,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:25:56,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:25:56,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:25:56,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:56" (1/1) ... [2021-11-23 01:25:56,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:56" (1/1) ... [2021-11-23 01:25:56,695 INFO L137 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2021-11-23 01:25:56,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:25:56,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:25:56,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:25:56,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:25:56,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:56" (1/1) ... [2021-11-23 01:25:56,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:56" (1/1) ... [2021-11-23 01:25:56,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:56" (1/1) ... [2021-11-23 01:25:56,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:56" (1/1) ... [2021-11-23 01:25:56,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:56" (1/1) ... [2021-11-23 01:25:56,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:56" (1/1) ... [2021-11-23 01:25:56,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:56" (1/1) ... [2021-11-23 01:25:56,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:25:56,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:25:56,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:25:56,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:25:56,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:56" (1/1) ... [2021-11-23 01:25:56,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:25:56,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:25:56,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:25:56,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcdbdcb7-9a45-4d1a-88c5-cd048e901f63/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:25:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:25:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:25:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:25:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:25:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:25:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:25:56,889 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:25:56,890 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:25:56,979 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:25:56,992 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:25:56,992 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:25:56,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:25:56 BoogieIcfgContainer [2021-11-23 01:25:56,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:25:56,996 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:25:56,996 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:25:57,015 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:25:57,015 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:25:56" (1/1) ... [2021-11-23 01:25:57,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:25:57,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2021-11-23 01:25:57,084 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2021-11-23 01:25:57,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:25:57,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:57,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:57,193 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 01:25:57,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2021-11-23 01:25:57,211 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2021-11-23 01:25:57,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:25:57,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:57,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:57,266 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 01:25:57,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:57,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-11-23 01:25:57,301 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-23 01:25:57,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:25:57,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:57,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:57,429 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 01:25:57,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:57,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2021-11-23 01:25:57,858 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2021-11-23 01:25:57,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:25:57,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:57,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:57,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:25:57,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:58,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:58,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:58,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2021-11-23 01:25:58,583 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2021-11-23 01:25:58,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:25:58,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:58,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:58,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:25:58,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:58,767 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:25:58,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2021-11-23 01:25:58,897 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2021-11-23 01:25:58,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:25:58,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:58,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:58,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:25:58,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:59,088 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:25:59,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:59,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 58 transitions. [2021-11-23 01:25:59,517 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2021-11-23 01:25:59,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:25:59,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:59,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:59,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:25:59,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:59,701 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:26:00,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:00,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 43 states and 94 transitions. [2021-11-23 01:26:00,723 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 94 transitions. [2021-11-23 01:26:00,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:26:00,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:00,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:00,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:00,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:00,894 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:26:01,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:01,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 47 states and 105 transitions. [2021-11-23 01:26:01,558 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 105 transitions. [2021-11-23 01:26:01,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:26:01,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:01,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:01,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:01,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:26:02,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:02,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 49 states and 106 transitions. [2021-11-23 01:26:02,020 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 106 transitions. [2021-11-23 01:26:02,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:26:02,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:02,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:02,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:02,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:02,164 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:26:02,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:02,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 51 states and 113 transitions. [2021-11-23 01:26:02,577 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 113 transitions. [2021-11-23 01:26:02,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:26:02,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:02,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:02,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:26:02,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:02,800 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:26:03,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:03,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 53 states and 123 transitions. [2021-11-23 01:26:03,652 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 123 transitions. [2021-11-23 01:26:03,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:26:03,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:03,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:03,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:26:03,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:03,813 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:26:04,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:04,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 122 transitions. [2021-11-23 01:26:04,281 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 122 transitions. [2021-11-23 01:26:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:26:04,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:04,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:04,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:04,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:26:05,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:05,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 53 states and 121 transitions. [2021-11-23 01:26:05,132 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 121 transitions. [2021-11-23 01:26:05,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:26:05,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:05,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:05,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:05,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:26:05,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:05,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 54 states and 129 transitions. [2021-11-23 01:26:05,768 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 129 transitions. [2021-11-23 01:26:05,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:26:05,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:05,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:05,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:05,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:05,884 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:26:06,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:06,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 55 states and 131 transitions. [2021-11-23 01:26:06,056 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 131 transitions. [2021-11-23 01:26:06,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:26:06,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:06,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:06,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:26:06,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:06,303 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:26:07,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:07,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 65 states and 185 transitions. [2021-11-23 01:26:07,841 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 185 transitions. [2021-11-23 01:26:07,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:26:07,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:07,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:07,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:26:07,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:26:08,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:08,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 69 states and 199 transitions. [2021-11-23 01:26:08,989 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 199 transitions. [2021-11-23 01:26:08,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:26:08,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:08,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:09,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:26:09,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:09,181 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:26:09,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:09,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 72 states and 204 transitions. [2021-11-23 01:26:09,981 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 204 transitions. [2021-11-23 01:26:09,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:26:09,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:09,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:10,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:26:10,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:10,092 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:26:10,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:10,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 72 states and 203 transitions. [2021-11-23 01:26:10,380 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 203 transitions. [2021-11-23 01:26:10,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:26:10,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:10,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:10,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:26:10,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:26:11,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:11,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 74 states and 204 transitions. [2021-11-23 01:26:11,106 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 204 transitions. [2021-11-23 01:26:11,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:26:11,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:11,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:11,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:11,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:11,222 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-23 01:26:11,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:11,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 74 states and 203 transitions. [2021-11-23 01:26:11,480 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 203 transitions. [2021-11-23 01:26:11,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:26:11,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:11,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:11,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:11,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-23 01:26:11,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:11,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 74 states and 202 transitions. [2021-11-23 01:26:11,893 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 202 transitions. [2021-11-23 01:26:11,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:26:11,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:11,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:11,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:26:11,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:12,266 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:26:13,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:13,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 76 states and 217 transitions. [2021-11-23 01:26:13,326 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 217 transitions. [2021-11-23 01:26:13,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:26:13,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:13,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:13,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:26:13,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:13,611 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:26:14,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:14,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 76 states and 216 transitions. [2021-11-23 01:26:14,089 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 216 transitions. [2021-11-23 01:26:14,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:26:14,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:14,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:14,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:26:14,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:14,455 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:26:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:14,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 76 states and 215 transitions. [2021-11-23 01:26:14,980 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 215 transitions. [2021-11-23 01:26:14,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:26:14,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:14,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:15,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:26:15,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:15,272 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:26:15,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:15,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 77 states and 227 transitions. [2021-11-23 01:26:15,886 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 227 transitions. [2021-11-23 01:26:15,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:26:15,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:15,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:15,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:15,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:16,009 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-23 01:26:16,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:16,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 78 states and 230 transitions. [2021-11-23 01:26:16,287 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 230 transitions. [2021-11-23 01:26:16,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:26:16,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:16,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:16,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:26:16,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:16,578 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:26:17,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:17,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 82 states and 244 transitions. [2021-11-23 01:26:17,668 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 244 transitions. [2021-11-23 01:26:17,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:26:17,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:17,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:17,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:26:17,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:26:18,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:18,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 85 states and 249 transitions. [2021-11-23 01:26:18,941 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 249 transitions. [2021-11-23 01:26:18,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:26:18,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:18,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:18,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:26:18,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:19,247 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:26:21,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:21,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 95 states and 321 transitions. [2021-11-23 01:26:21,446 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 321 transitions. [2021-11-23 01:26:21,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:26:21,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:21,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:21,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:26:21,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:21,636 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:26:22,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:22,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 98 states and 325 transitions. [2021-11-23 01:26:22,696 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 325 transitions. [2021-11-23 01:26:22,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:26:22,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:22,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:22,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:26:22,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:22,966 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:26:23,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:23,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 100 states and 326 transitions. [2021-11-23 01:26:23,751 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 326 transitions. [2021-11-23 01:26:23,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:26:23,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:23,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:23,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:26:23,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:23,898 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:26:24,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:24,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 100 states and 325 transitions. [2021-11-23 01:26:24,203 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 325 transitions. [2021-11-23 01:26:24,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:26:24,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:24,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:24,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:26:24,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:24,337 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:26:24,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:24,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 100 states and 324 transitions. [2021-11-23 01:26:24,697 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 324 transitions. [2021-11-23 01:26:24,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:26:24,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:24,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:24,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:24,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-23 01:26:24,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:24,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 100 states and 323 transitions. [2021-11-23 01:26:24,956 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 323 transitions. [2021-11-23 01:26:24,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:26:24,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:24,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:24,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:24,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:25,101 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-23 01:26:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:25,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 100 states and 322 transitions. [2021-11-23 01:26:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 322 transitions. [2021-11-23 01:26:25,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:26:25,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:25,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:25,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:25,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:25,552 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-23 01:26:25,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:25,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 100 states and 321 transitions. [2021-11-23 01:26:25,929 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 321 transitions. [2021-11-23 01:26:25,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:26:25,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:25,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:25,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:26:25,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:26:28,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:28,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 102 states and 341 transitions. [2021-11-23 01:26:28,076 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 341 transitions. [2021-11-23 01:26:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:26:28,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:28,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:28,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:26:28,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:28,501 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:26:29,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:29,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 102 states and 340 transitions. [2021-11-23 01:26:29,128 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 340 transitions. [2021-11-23 01:26:29,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:26:29,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:29,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:29,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:26:29,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:26:30,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:30,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 102 states and 339 transitions. [2021-11-23 01:26:30,268 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 339 transitions. [2021-11-23 01:26:30,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:26:30,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:30,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:30,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:26:30,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:30,657 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:26:31,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:31,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 102 states and 338 transitions. [2021-11-23 01:26:31,409 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 338 transitions. [2021-11-23 01:26:31,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:26:31,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:31,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:31,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:26:31,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:31,769 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 22 proven. 33 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:26:32,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:32,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 103 states and 354 transitions. [2021-11-23 01:26:32,699 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 354 transitions. [2021-11-23 01:26:32,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 01:26:32,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:32,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:32,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:32,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-11-23 01:26:33,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:33,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 104 states and 358 transitions. [2021-11-23 01:26:33,174 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 358 transitions. [2021-11-23 01:26:33,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:26:33,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:33,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:33,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:26:33,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:33,498 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:26:35,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:35,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 108 states and 376 transitions. [2021-11-23 01:26:35,302 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 376 transitions. [2021-11-23 01:26:35,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:26:35,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:35,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:35,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:26:35,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:35,547 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:26:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 110 states and 377 transitions. [2021-11-23 01:26:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 377 transitions. [2021-11-23 01:26:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:26:36,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:36,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:36,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:36,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:36,963 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:26:40,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:40,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 120 states and 464 transitions. [2021-11-23 01:26:40,248 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 464 transitions. [2021-11-23 01:26:40,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:26:40,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:40,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:40,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:26:40,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:40,488 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:26:41,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 123 states and 468 transitions. [2021-11-23 01:26:41,773 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 468 transitions. [2021-11-23 01:26:41,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:26:41,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:41,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:41,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:41,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:41,938 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:26:42,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:42,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 123 states and 467 transitions. [2021-11-23 01:26:42,477 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 467 transitions. [2021-11-23 01:26:42,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:26:42,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:42,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:42,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:26:42,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:42,703 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:26:44,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:44,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 126 states and 471 transitions. [2021-11-23 01:26:44,172 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 471 transitions. [2021-11-23 01:26:44,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:26:44,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:44,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:44,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:26:44,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:44,385 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:26:45,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:45,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 129 states and 475 transitions. [2021-11-23 01:26:45,743 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 475 transitions. [2021-11-23 01:26:45,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:26:45,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:45,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:45,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:45,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:45,966 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:26:46,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:46,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 129 states and 474 transitions. [2021-11-23 01:26:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 474 transitions. [2021-11-23 01:26:46,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:26:46,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:46,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:46,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:46,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:46,603 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:26:47,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 129 states and 473 transitions. [2021-11-23 01:26:47,082 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 473 transitions. [2021-11-23 01:26:47,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 01:26:47,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:47,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:47,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:47,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:47,266 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-11-23 01:26:47,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:47,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 129 states and 472 transitions. [2021-11-23 01:26:47,787 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 472 transitions. [2021-11-23 01:26:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 01:26:47,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:47,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:47,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:47,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:47,921 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-11-23 01:26:48,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:48,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 129 states and 471 transitions. [2021-11-23 01:26:48,066 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 471 transitions. [2021-11-23 01:26:48,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 01:26:48,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:48,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:48,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:48,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-11-23 01:26:48,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:48,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 129 states and 470 transitions. [2021-11-23 01:26:48,687 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 470 transitions. [2021-11-23 01:26:48,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 01:26:48,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:48,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:48,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:48,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-11-23 01:26:48,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:48,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 129 states and 469 transitions. [2021-11-23 01:26:48,976 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 469 transitions. [2021-11-23 01:26:48,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:26:48,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:48,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:49,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:26:49,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:49,919 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:26:52,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:52,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 131 states and 494 transitions. [2021-11-23 01:26:52,138 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 494 transitions. [2021-11-23 01:26:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:26:52,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:52,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:52,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:26:52,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:52,914 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:26:53,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 131 states and 493 transitions. [2021-11-23 01:26:53,959 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 493 transitions. [2021-11-23 01:26:53,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:26:53,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:53,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:54,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:26:54,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:54,651 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:26:55,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:55,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 131 states and 492 transitions. [2021-11-23 01:26:55,722 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 492 transitions. [2021-11-23 01:26:55,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:26:55,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:55,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:55,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:26:55,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:56,485 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:26:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:57,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 131 states and 491 transitions. [2021-11-23 01:26:57,578 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 491 transitions. [2021-11-23 01:26:57,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:26:57,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:57,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:57,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:26:57,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:58,293 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:26:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:59,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 131 states and 490 transitions. [2021-11-23 01:26:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 490 transitions. [2021-11-23 01:26:59,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 01:26:59,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:59,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:59,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:26:59,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:00,229 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 28 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:27:01,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:01,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 132 states and 510 transitions. [2021-11-23 01:27:01,822 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 510 transitions. [2021-11-23 01:27:01,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 01:27:01,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:01,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:01,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:27:01,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:01,986 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2021-11-23 01:27:02,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:02,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 133 states and 515 transitions. [2021-11-23 01:27:02,447 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 515 transitions. [2021-11-23 01:27:02,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:27:02,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:02,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:02,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:27:02,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:02,986 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:27:05,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:05,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 137 states and 535 transitions. [2021-11-23 01:27:05,449 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 535 transitions. [2021-11-23 01:27:05,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:27:05,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:05,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:05,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:27:05,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:05,824 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:27:07,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:07,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 140 states and 539 transitions. [2021-11-23 01:27:07,535 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 539 transitions. [2021-11-23 01:27:07,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:27:07,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:07,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:07,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:27:07,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:07,916 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:27:09,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:09,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 143 states and 544 transitions. [2021-11-23 01:27:09,735 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 544 transitions. [2021-11-23 01:27:09,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:27:09,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:09,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:09,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:27:09,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:10,274 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:27:14,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:14,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 153 states and 646 transitions. [2021-11-23 01:27:14,482 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 646 transitions. [2021-11-23 01:27:14,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:27:14,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:14,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:14,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:27:14,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:14,860 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:27:16,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:16,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 156 states and 650 transitions. [2021-11-23 01:27:16,743 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 650 transitions. [2021-11-23 01:27:16,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:27:16,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:16,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:16,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:27:16,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:17,056 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:27:18,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:18,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 159 states and 654 transitions. [2021-11-23 01:27:18,779 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 654 transitions. [2021-11-23 01:27:18,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:27:18,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:18,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:18,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:27:18,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:19,003 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:27:19,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:19,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 159 states and 653 transitions. [2021-11-23 01:27:19,621 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 653 transitions. [2021-11-23 01:27:19,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:27:19,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:19,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:19,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:27:19,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:19,887 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:27:21,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:21,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 161 states and 654 transitions. [2021-11-23 01:27:21,401 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 654 transitions. [2021-11-23 01:27:21,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:27:21,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:21,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:21,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:27:21,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:21,602 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:27:22,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:22,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 161 states and 653 transitions. [2021-11-23 01:27:22,231 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 653 transitions. [2021-11-23 01:27:22,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:27:22,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:22,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:22,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:27:22,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:22,446 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:27:23,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:23,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 161 states and 652 transitions. [2021-11-23 01:27:23,040 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 652 transitions. [2021-11-23 01:27:23,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:27:23,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:23,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:23,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:27:23,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:27:23,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:23,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 161 states and 651 transitions. [2021-11-23 01:27:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 651 transitions. [2021-11-23 01:27:23,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:27:23,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:23,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:23,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:27:23,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:23,980 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2021-11-23 01:27:24,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:24,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 161 states and 650 transitions. [2021-11-23 01:27:24,632 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 650 transitions. [2021-11-23 01:27:24,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:27:24,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:24,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:24,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:27:24,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:24,792 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2021-11-23 01:27:24,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:24,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 161 states and 649 transitions. [2021-11-23 01:27:24,903 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 649 transitions. [2021-11-23 01:27:24,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:27:24,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:24,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:24,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:27:24,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:25,090 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2021-11-23 01:27:25,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:25,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 161 states and 648 transitions. [2021-11-23 01:27:25,220 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 648 transitions. [2021-11-23 01:27:25,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:27:25,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:25,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:25,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:27:25,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2021-11-23 01:27:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:26,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 161 states and 647 transitions. [2021-11-23 01:27:26,142 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 647 transitions. [2021-11-23 01:27:26,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:27:26,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:26,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:26,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:27:26,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:26,332 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2021-11-23 01:27:26,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:26,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 161 states and 646 transitions. [2021-11-23 01:27:26,473 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 646 transitions. [2021-11-23 01:27:26,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:27:26,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:26,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:26,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:27:26,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:27,514 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:27:30,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:30,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 163 states and 676 transitions. [2021-11-23 01:27:30,410 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 676 transitions. [2021-11-23 01:27:30,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:27:30,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:30,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:30,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:27:30,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:31,217 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:27:32,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 163 states and 675 transitions. [2021-11-23 01:27:32,401 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 675 transitions. [2021-11-23 01:27:32,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:27:32,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:32,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:32,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:27:32,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:33,249 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:27:34,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:34,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 163 states and 674 transitions. [2021-11-23 01:27:34,432 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 674 transitions. [2021-11-23 01:27:34,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:27:34,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:34,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:34,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:27:34,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:35,358 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:27:36,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:36,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 163 states and 673 transitions. [2021-11-23 01:27:36,623 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 673 transitions. [2021-11-23 01:27:36,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:27:36,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:36,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:36,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:27:36,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:37,525 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:27:38,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:38,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 163 states and 672 transitions. [2021-11-23 01:27:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 672 transitions. [2021-11-23 01:27:38,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:27:38,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:38,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:38,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:27:38,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:39,646 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:27:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:40,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 163 states and 671 transitions. [2021-11-23 01:27:40,868 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 671 transitions. [2021-11-23 01:27:40,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 01:27:40,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:40,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:40,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:27:40,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:41,829 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 34 proven. 85 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 01:27:43,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:43,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 164 states and 695 transitions. [2021-11-23 01:27:43,755 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 695 transitions. [2021-11-23 01:27:43,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 01:27:43,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:43,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:43,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:27:43,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:43,934 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2021-11-23 01:27:44,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:44,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 165 states and 701 transitions. [2021-11-23 01:27:44,462 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 701 transitions. [2021-11-23 01:27:44,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:27:44,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:44,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:44,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:27:44,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:44,987 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:27:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 169 states and 725 transitions. [2021-11-23 01:27:48,433 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 725 transitions. [2021-11-23 01:27:48,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:27:48,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:48,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:48,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:27:48,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:48,876 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:27:51,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:51,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 172 states and 729 transitions. [2021-11-23 01:27:51,001 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 729 transitions. [2021-11-23 01:27:51,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:27:51,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:51,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:51,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:27:51,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:51,279 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:27:53,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:53,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 174 states and 730 transitions. [2021-11-23 01:27:53,186 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 730 transitions. [2021-11-23 01:27:53,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:27:53,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:53,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:53,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:27:53,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:54,059 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:27:59,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:59,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 184 states and 847 transitions. [2021-11-23 01:27:59,865 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 847 transitions. [2021-11-23 01:27:59,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:27:59,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:59,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:59,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:27:59,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:00,183 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:28:02,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:02,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 187 states and 851 transitions. [2021-11-23 01:28:02,470 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 851 transitions. [2021-11-23 01:28:02,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:28:02,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:02,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:02,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:28:02,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:28:03,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:03,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 187 states and 850 transitions. [2021-11-23 01:28:03,552 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 850 transitions. [2021-11-23 01:28:03,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:28:03,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:03,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:03,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:28:03,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:03,938 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:28:06,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:06,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 190 states and 854 transitions. [2021-11-23 01:28:06,332 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 854 transitions. [2021-11-23 01:28:06,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:28:06,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:06,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:06,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:28:06,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:06,624 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:28:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:08,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 193 states and 858 transitions. [2021-11-23 01:28:08,905 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 858 transitions. [2021-11-23 01:28:08,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:28:08,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:08,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:08,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:28:08,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:09,171 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:28:09,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:09,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 193 states and 857 transitions. [2021-11-23 01:28:09,901 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 857 transitions. [2021-11-23 01:28:09,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:28:09,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:09,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:09,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:28:09,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:10,193 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:28:12,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:12,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 196 states and 861 transitions. [2021-11-23 01:28:12,918 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 861 transitions. [2021-11-23 01:28:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:28:12,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:12,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:12,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:28:12,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:13,151 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:28:13,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:13,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 196 states and 860 transitions. [2021-11-23 01:28:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 860 transitions. [2021-11-23 01:28:13,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:28:13,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:13,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:14,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:28:14,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:14,224 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:28:15,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:15,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 196 states and 859 transitions. [2021-11-23 01:28:15,045 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 859 transitions. [2021-11-23 01:28:15,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:28:15,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:15,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:15,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:28:15,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:15,282 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:28:16,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:16,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 196 states and 858 transitions. [2021-11-23 01:28:16,076 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 858 transitions. [2021-11-23 01:28:16,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:28:16,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:16,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:16,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:28:16,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:16,266 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-11-23 01:28:16,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:16,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 196 states and 857 transitions. [2021-11-23 01:28:16,962 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 857 transitions. [2021-11-23 01:28:16,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:28:16,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:16,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:16,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:28:16,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:17,150 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-11-23 01:28:17,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 196 states and 856 transitions. [2021-11-23 01:28:17,324 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 856 transitions. [2021-11-23 01:28:17,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:28:17,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:17,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:17,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:28:17,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:17,518 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-11-23 01:28:17,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:17,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 196 states and 855 transitions. [2021-11-23 01:28:17,682 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 855 transitions. [2021-11-23 01:28:17,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:28:17,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:17,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:17,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:28:17,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:17,952 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-11-23 01:28:18,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:18,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 196 states and 854 transitions. [2021-11-23 01:28:18,675 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 854 transitions. [2021-11-23 01:28:18,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:28:18,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:18,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:18,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:28:18,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:18,865 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-11-23 01:28:18,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:18,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 196 states and 853 transitions. [2021-11-23 01:28:18,992 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 853 transitions. [2021-11-23 01:28:18,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:28:18,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:18,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:19,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:28:19,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:19,195 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-11-23 01:28:19,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:19,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 196 states and 852 transitions. [2021-11-23 01:28:19,342 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 852 transitions. [2021-11-23 01:28:19,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:28:19,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:19,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:19,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:28:19,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:20,961 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:28:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:24,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 198 states and 887 transitions. [2021-11-23 01:28:24,838 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 887 transitions. [2021-11-23 01:28:24,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:28:24,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:24,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:24,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:28:24,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:26,093 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:28:27,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:27,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 198 states and 886 transitions. [2021-11-23 01:28:27,664 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 886 transitions. [2021-11-23 01:28:27,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:28:27,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:27,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:27,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:28:27,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:28,885 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:28:30,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:30,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 198 states and 885 transitions. [2021-11-23 01:28:30,321 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 885 transitions. [2021-11-23 01:28:30,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:28:30,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:30,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:30,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:28:30,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:31,677 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:28:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:33,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 198 states and 884 transitions. [2021-11-23 01:28:33,250 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 884 transitions. [2021-11-23 01:28:33,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:28:33,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:33,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:33,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:28:33,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:34,447 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:28:36,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:36,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 198 states and 883 transitions. [2021-11-23 01:28:36,045 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 883 transitions. [2021-11-23 01:28:36,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:28:36,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:36,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:36,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:28:36,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:37,307 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:28:39,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:39,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 198 states and 882 transitions. [2021-11-23 01:28:39,041 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 882 transitions. [2021-11-23 01:28:39,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:28:39,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:39,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:39,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:28:39,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:40,510 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:28:42,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:42,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 198 states and 881 transitions. [2021-11-23 01:28:42,302 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 881 transitions. [2021-11-23 01:28:42,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 01:28:42,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:42,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:42,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:28:42,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:43,737 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 40 proven. 120 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-23 01:28:46,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:46,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 199 states and 909 transitions. [2021-11-23 01:28:46,940 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 909 transitions. [2021-11-23 01:28:46,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-23 01:28:46,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:46,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:46,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:28:46,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:47,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 113 proven. 7 refuted. 0 times theorem prover too weak. 888 trivial. 0 not checked. [2021-11-23 01:28:48,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:48,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 200 states and 916 transitions. [2021-11-23 01:28:48,173 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 916 transitions. [2021-11-23 01:28:48,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:28:48,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:48,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:48,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:28:48,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:49,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:28:53,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:53,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 204 states and 942 transitions. [2021-11-23 01:28:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 942 transitions. [2021-11-23 01:28:53,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:28:53,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:53,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:53,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:28:53,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:54,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:28:57,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:57,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 207 states and 946 transitions. [2021-11-23 01:28:57,367 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 946 transitions. [2021-11-23 01:28:57,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:28:57,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:57,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:57,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:28:57,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:58,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:29:07,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:07,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 217 states and 1078 transitions. [2021-11-23 01:29:07,228 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 1078 transitions. [2021-11-23 01:29:07,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:29:07,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:07,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:07,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:29:07,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:07,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:29:11,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:11,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 220 states and 1083 transitions. [2021-11-23 01:29:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 1083 transitions. [2021-11-23 01:29:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:29:11,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:11,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:11,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:29:11,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:11,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:29:12,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:12,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 220 states and 1082 transitions. [2021-11-23 01:29:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 1082 transitions. [2021-11-23 01:29:12,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:29:12,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:12,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:12,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:29:12,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:13,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:29:16,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:16,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 222 states and 1083 transitions. [2021-11-23 01:29:16,733 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 1083 transitions. [2021-11-23 01:29:16,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:29:16,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:16,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:16,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:29:16,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:17,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:29:21,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:21,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 225 states and 1087 transitions. [2021-11-23 01:29:21,034 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 1087 transitions. [2021-11-23 01:29:21,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:29:21,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:21,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:21,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:29:21,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:21,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:29:22,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:22,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 225 states and 1086 transitions. [2021-11-23 01:29:22,307 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 1086 transitions. [2021-11-23 01:29:22,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:29:22,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:22,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:22,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:29:22,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:22,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:29:26,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:26,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 228 states and 1090 transitions. [2021-11-23 01:29:26,312 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 1090 transitions. [2021-11-23 01:29:26,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:29:26,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:26,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:26,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:29:26,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:29:27,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:27,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 228 states and 1089 transitions. [2021-11-23 01:29:27,612 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 1089 transitions. [2021-11-23 01:29:27,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:29:27,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:27,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:27,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:29:27,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:27,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:29:31,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:31,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 231 states and 1093 transitions. [2021-11-23 01:29:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 1093 transitions. [2021-11-23 01:29:31,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:29:31,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:31,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:31,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:29:31,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:31,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:29:35,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:35,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 234 states and 1097 transitions. [2021-11-23 01:29:35,485 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1097 transitions. [2021-11-23 01:29:35,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:29:35,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:35,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:35,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:29:35,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:35,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:29:36,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:36,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 234 states and 1096 transitions. [2021-11-23 01:29:36,890 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1096 transitions. [2021-11-23 01:29:36,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:29:36,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:36,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:36,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:29:36,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:29:38,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:38,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 234 states and 1095 transitions. [2021-11-23 01:29:38,385 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1095 transitions. [2021-11-23 01:29:38,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:29:38,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:38,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:38,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:29:38,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:38,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:29:39,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:39,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 234 states and 1094 transitions. [2021-11-23 01:29:39,718 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1094 transitions. [2021-11-23 01:29:39,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:29:39,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:39,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:39,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:29:39,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:39,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2021-11-23 01:29:40,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:40,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 234 states and 1093 transitions. [2021-11-23 01:29:40,873 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1093 transitions. [2021-11-23 01:29:40,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:29:40,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:40,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:40,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:29:40,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2021-11-23 01:29:42,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:42,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 234 states and 1092 transitions. [2021-11-23 01:29:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1092 transitions. [2021-11-23 01:29:42,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:29:42,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:42,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:42,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:29:42,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:42,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2021-11-23 01:29:42,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:42,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 234 states and 1091 transitions. [2021-11-23 01:29:42,507 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1091 transitions. [2021-11-23 01:29:42,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:29:42,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:42,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:42,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:29:42,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:42,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2021-11-23 01:29:42,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:42,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 234 states and 1090 transitions. [2021-11-23 01:29:42,927 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1090 transitions. [2021-11-23 01:29:42,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:29:42,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:42,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:42,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:29:42,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:43,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2021-11-23 01:29:43,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:43,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 234 states and 1089 transitions. [2021-11-23 01:29:43,275 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1089 transitions. [2021-11-23 01:29:43,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:29:43,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:43,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:43,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:29:43,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:43,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2021-11-23 01:29:43,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:43,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 234 states and 1088 transitions. [2021-11-23 01:29:43,655 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1088 transitions. [2021-11-23 01:29:43,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:29:43,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:43,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:43,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:29:43,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:43,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2021-11-23 01:29:44,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:44,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 234 states and 1087 transitions. [2021-11-23 01:29:44,013 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1087 transitions. [2021-11-23 01:29:44,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:29:44,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:44,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:44,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:29:44,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:46,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:29:51,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:51,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 236 states and 1127 transitions. [2021-11-23 01:29:51,721 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1127 transitions. [2021-11-23 01:29:51,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:29:51,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:51,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:51,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:29:51,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:53,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:29:56,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 236 states and 1126 transitions. [2021-11-23 01:29:56,021 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1126 transitions. [2021-11-23 01:29:56,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:29:56,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:56,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:56,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:29:56,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:30:00,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:00,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 236 states and 1125 transitions. [2021-11-23 01:30:00,143 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1125 transitions. [2021-11-23 01:30:00,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:30:00,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:00,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:00,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:30:00,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:02,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:30:04,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 236 states and 1124 transitions. [2021-11-23 01:30:04,367 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1124 transitions. [2021-11-23 01:30:04,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:30:04,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:04,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:04,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:30:04,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:06,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:30:08,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:08,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 236 states and 1123 transitions. [2021-11-23 01:30:08,504 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1123 transitions. [2021-11-23 01:30:08,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:30:08,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:08,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:08,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:30:08,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:10,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:30:12,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:12,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 236 states and 1122 transitions. [2021-11-23 01:30:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1122 transitions. [2021-11-23 01:30:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:30:12,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:12,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:12,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:30:12,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:14,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:30:17,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:17,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 236 states and 1121 transitions. [2021-11-23 01:30:17,045 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1121 transitions. [2021-11-23 01:30:17,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:30:17,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:17,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:17,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:30:17,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:19,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:30:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:21,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 236 states and 1120 transitions. [2021-11-23 01:30:21,408 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1120 transitions. [2021-11-23 01:30:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-23 01:30:21,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:21,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:21,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:30:21,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 46 proven. 161 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-11-23 01:30:31,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:31,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 237 states and 1152 transitions. [2021-11-23 01:30:31,714 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 1152 transitions. [2021-11-23 01:30:31,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 01:30:31,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:31,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:31,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:30:31,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:31,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 131 proven. 7 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2021-11-23 01:30:35,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:35,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 238 states and 1160 transitions. [2021-11-23 01:30:35,237 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 1160 transitions. [2021-11-23 01:30:35,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:30:35,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:35,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:35,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:30:35,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:36,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:30:43,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 242 states and 1189 transitions. [2021-11-23 01:30:43,048 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 1189 transitions. [2021-11-23 01:30:43,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:30:43,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:43,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:43,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:30:43,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:43,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:30:49,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:49,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 245 states and 1194 transitions. [2021-11-23 01:30:49,595 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 1194 transitions. [2021-11-23 01:30:49,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:30:49,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:49,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:49,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:30:49,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:50,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:30:55,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:55,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 248 states and 1198 transitions. [2021-11-23 01:30:55,046 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 1198 transitions. [2021-11-23 01:30:55,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:30:55,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:55,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:55,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:30:55,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:55,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:31:00,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:00,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 250 states and 1199 transitions. [2021-11-23 01:31:00,222 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 1199 transitions. [2021-11-23 01:31:00,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:31:00,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:00,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:00,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:31:00,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:31:05,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:05,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 253 states and 1203 transitions. [2021-11-23 01:31:05,595 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 1203 transitions. [2021-11-23 01:31:05,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:31:05,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:05,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:05,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:31:05,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:06,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:31:10,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 256 states and 1207 transitions. [2021-11-23 01:31:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 1207 transitions. [2021-11-23 01:31:10,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:31:10,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:10,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:11,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:31:11,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:12,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:31:26,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:26,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 266 states and 1354 transitions. [2021-11-23 01:31:26,277 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 1354 transitions. [2021-11-23 01:31:26,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:31:26,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:26,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:26,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:31:26,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:26,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:31:33,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:33,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 269 states and 1358 transitions. [2021-11-23 01:31:33,090 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 1358 transitions. [2021-11-23 01:31:33,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:31:33,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:33,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:33,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:31:33,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:31:34,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:34,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 269 states and 1357 transitions. [2021-11-23 01:31:34,743 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 1357 transitions. [2021-11-23 01:31:34,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:31:34,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:34,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:34,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:31:34,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:35,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:31:40,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:40,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 272 states and 1361 transitions. [2021-11-23 01:31:40,444 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 1361 transitions. [2021-11-23 01:31:40,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:31:40,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:40,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:40,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:31:40,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:31:42,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:42,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 272 states and 1360 transitions. [2021-11-23 01:31:42,067 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 1360 transitions. [2021-11-23 01:31:42,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:31:42,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:42,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:42,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:31:42,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:42,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:31:47,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:47,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 275 states and 1364 transitions. [2021-11-23 01:31:47,887 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1364 transitions. [2021-11-23 01:31:47,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:31:47,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:47,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:47,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:31:47,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:31:49,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:49,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 275 states and 1363 transitions. [2021-11-23 01:31:49,526 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1363 transitions. [2021-11-23 01:31:49,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:31:49,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:49,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:49,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:31:49,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:49,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:31:51,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:51,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 275 states and 1362 transitions. [2021-11-23 01:31:51,179 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1362 transitions. [2021-11-23 01:31:51,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:31:51,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:51,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:51,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:31:51,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:31:53,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:53,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 275 states and 1361 transitions. [2021-11-23 01:31:53,091 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1361 transitions. [2021-11-23 01:31:53,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:31:53,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:53,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:53,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:31:53,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:53,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:31:54,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:54,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 275 states and 1360 transitions. [2021-11-23 01:31:54,795 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1360 transitions. [2021-11-23 01:31:54,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:31:54,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:54,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:54,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:31:54,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:55,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:31:56,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:56,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 275 states and 1359 transitions. [2021-11-23 01:31:56,479 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1359 transitions. [2021-11-23 01:31:56,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:31:56,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:56,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:56,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:56,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:56,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2021-11-23 01:31:56,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:56,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 275 states and 1358 transitions. [2021-11-23 01:31:56,886 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1358 transitions. [2021-11-23 01:31:56,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:31:56,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:56,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:56,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:56,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:57,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2021-11-23 01:31:59,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:59,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 275 states and 1357 transitions. [2021-11-23 01:31:59,893 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1357 transitions. [2021-11-23 01:31:59,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:31:59,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:59,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:59,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:59,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2021-11-23 01:32:00,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 275 states and 1356 transitions. [2021-11-23 01:32:00,330 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1356 transitions. [2021-11-23 01:32:00,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:32:00,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:00,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:00,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:00,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:00,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2021-11-23 01:32:03,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:03,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 275 states and 1355 transitions. [2021-11-23 01:32:03,254 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1355 transitions. [2021-11-23 01:32:03,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:32:03,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:03,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:03,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:03,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:03,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2021-11-23 01:32:03,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:03,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 275 states and 1354 transitions. [2021-11-23 01:32:03,670 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1354 transitions. [2021-11-23 01:32:03,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:32:03,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:03,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:03,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:03,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:03,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2021-11-23 01:32:04,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:04,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 275 states and 1353 transitions. [2021-11-23 01:32:04,096 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1353 transitions. [2021-11-23 01:32:04,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:32:04,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:04,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:04,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:04,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:04,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2021-11-23 01:32:04,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:04,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 275 states and 1352 transitions. [2021-11-23 01:32:04,511 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1352 transitions. [2021-11-23 01:32:04,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:32:04,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:04,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:04,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:04,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:04,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2021-11-23 01:32:04,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:04,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 275 states and 1351 transitions. [2021-11-23 01:32:04,951 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1351 transitions. [2021-11-23 01:32:04,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:32:04,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:04,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:05,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:32:05,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:08,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:32:15,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:15,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 277 states and 1396 transitions. [2021-11-23 01:32:15,922 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1396 transitions. [2021-11-23 01:32:15,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:32:15,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:15,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:15,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:32:15,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:18,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:32:21,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:21,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 277 states and 1395 transitions. [2021-11-23 01:32:21,921 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1395 transitions. [2021-11-23 01:32:21,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:32:21,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:21,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:21,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:32:21,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:25,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:32:28,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:28,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 277 states and 1394 transitions. [2021-11-23 01:32:28,089 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1394 transitions. [2021-11-23 01:32:28,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:32:28,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:28,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:28,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:32:28,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:31,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:32:33,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:33,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 277 states and 1393 transitions. [2021-11-23 01:32:33,513 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1393 transitions. [2021-11-23 01:32:33,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:32:33,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:33,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:33,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:32:33,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:36,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:32:39,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:39,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 277 states and 1392 transitions. [2021-11-23 01:32:39,674 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1392 transitions. [2021-11-23 01:32:39,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:32:39,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:39,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:39,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:32:39,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:42,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:32:45,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:45,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 277 states and 1391 transitions. [2021-11-23 01:32:45,605 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1391 transitions. [2021-11-23 01:32:45,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:32:45,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:45,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:45,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:32:45,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:48,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:32:51,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:51,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 277 states and 1390 transitions. [2021-11-23 01:32:51,592 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1390 transitions. [2021-11-23 01:32:51,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:32:51,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:51,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:51,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:32:51,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:54,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:32:57,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:57,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 277 states and 1389 transitions. [2021-11-23 01:32:57,783 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1389 transitions. [2021-11-23 01:32:57,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:32:57,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:57,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:57,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:32:57,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:01,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:33:03,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:03,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 277 states and 1388 transitions. [2021-11-23 01:33:03,952 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1388 transitions. [2021-11-23 01:33:03,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 01:33:03,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:03,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:04,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:33:04,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 52 proven. 208 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 01:33:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:17,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 278 states and 1424 transitions. [2021-11-23 01:33:17,688 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 1424 transitions. [2021-11-23 01:33:17,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-23 01:33:17,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:17,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:17,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:17,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:17,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 149 proven. 7 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2021-11-23 01:33:23,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:23,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 279 states and 1433 transitions. [2021-11-23 01:33:23,709 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 1433 transitions. [2021-11-23 01:33:23,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:33:23,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:23,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:23,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:33:23,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:25,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:33:37,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 283 states and 1465 transitions. [2021-11-23 01:33:37,238 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 1465 transitions. [2021-11-23 01:33:37,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:33:37,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:37,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:37,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:33:37,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:37,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:33:45,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:45,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 286 states and 1470 transitions. [2021-11-23 01:33:45,899 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 1470 transitions. [2021-11-23 01:33:45,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:33:45,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:45,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:45,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:33:45,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:46,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:33:52,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:52,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 289 states and 1474 transitions. [2021-11-23 01:33:52,735 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 1474 transitions. [2021-11-23 01:33:52,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:33:52,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:52,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:52,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:33:52,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:53,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:33:59,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:59,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 292 states and 1478 transitions. [2021-11-23 01:33:59,434 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 1478 transitions. [2021-11-23 01:33:59,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:33:59,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:59,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:59,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:33:59,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:00,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:34:06,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:06,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 294 states and 1479 transitions. [2021-11-23 01:34:06,904 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 1479 transitions. [2021-11-23 01:34:06,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:34:06,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:06,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:06,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:34:06,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:07,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:34:14,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:14,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 297 states and 1483 transitions. [2021-11-23 01:34:14,640 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 1483 transitions. [2021-11-23 01:34:14,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:34:14,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:14,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:14,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:34:14,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:15,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:34:23,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:23,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 300 states and 1487 transitions. [2021-11-23 01:34:23,348 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1487 transitions. [2021-11-23 01:34:23,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:34:23,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:23,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:23,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:34:23,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:23,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:34:31,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:31,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 303 states and 1491 transitions. [2021-11-23 01:34:31,558 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1491 transitions. [2021-11-23 01:34:31,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:34:31,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:31,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:31,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:34:31,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:34:39,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:39,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 306 states and 1495 transitions. [2021-11-23 01:34:39,868 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1495 transitions. [2021-11-23 01:34:39,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:34:39,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:39,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:39,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:34:39,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:42,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:35:05,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:06,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 316 states and 1628 transitions. [2021-11-23 01:35:06,079 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 1628 transitions. [2021-11-23 01:35:06,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:35:06,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:06,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:06,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:35:06,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:06,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:35:16,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:16,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 319 states and 1632 transitions. [2021-11-23 01:35:16,167 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1632 transitions. [2021-11-23 01:35:16,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:35:16,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:16,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:16,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:35:16,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:16,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:35:18,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:18,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 319 states and 1631 transitions. [2021-11-23 01:35:18,647 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1631 transitions. [2021-11-23 01:35:18,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:35:18,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:18,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:18,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:35:18,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:35:21,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:21,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 319 states and 1630 transitions. [2021-11-23 01:35:21,005 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1630 transitions. [2021-11-23 01:35:21,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:35:21,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:21,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:21,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:35:21,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:21,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:35:23,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:23,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 319 states and 1629 transitions. [2021-11-23 01:35:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1629 transitions. [2021-11-23 01:35:23,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:35:23,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:23,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:23,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:35:23,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:23,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:35:25,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:25,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 319 states and 1628 transitions. [2021-11-23 01:35:25,804 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1628 transitions. [2021-11-23 01:35:25,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:35:25,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:25,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:25,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:35:25,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:26,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:35:28,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:28,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 319 states and 1627 transitions. [2021-11-23 01:35:28,193 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1627 transitions. [2021-11-23 01:35:28,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:35:28,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:28,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:28,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:35:28,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:28,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:35:30,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:30,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 319 states and 1626 transitions. [2021-11-23 01:35:30,639 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1626 transitions. [2021-11-23 01:35:30,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:35:30,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:30,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:30,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:35:30,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:30,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:35:33,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:33,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 319 states and 1625 transitions. [2021-11-23 01:35:33,040 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1625 transitions. [2021-11-23 01:35:33,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:35:33,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:33,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:33,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:35:33,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:33,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:35:35,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:35,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 319 states and 1624 transitions. [2021-11-23 01:35:35,589 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1624 transitions. [2021-11-23 01:35:35,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:35:35,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:35,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:35,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:35:35,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:35,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:35:36,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:36,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 319 states and 1623 transitions. [2021-11-23 01:35:36,068 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1623 transitions. [2021-11-23 01:35:36,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:35:36,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:36,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:36,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:35:36,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:36,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:35:38,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:38,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 319 states and 1622 transitions. [2021-11-23 01:35:38,060 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1622 transitions. [2021-11-23 01:35:38,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:35:38,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:38,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:38,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:35:38,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:38,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:35:38,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:38,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 319 states and 1621 transitions. [2021-11-23 01:35:38,560 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1621 transitions. [2021-11-23 01:35:38,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:35:38,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:38,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:38,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:35:38,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:38,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:35:40,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:40,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 319 states and 1620 transitions. [2021-11-23 01:35:40,613 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1620 transitions. [2021-11-23 01:35:40,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:35:40,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:40,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:40,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:35:40,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:35:41,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:41,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 319 states and 1619 transitions. [2021-11-23 01:35:41,107 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1619 transitions. [2021-11-23 01:35:41,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:35:41,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:41,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:41,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:35:41,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:35:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:41,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 319 states and 1618 transitions. [2021-11-23 01:35:41,740 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1618 transitions. [2021-11-23 01:35:41,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:35:41,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:41,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:41,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:35:41,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:42,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:35:42,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:42,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 319 states and 1617 transitions. [2021-11-23 01:35:42,265 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1617 transitions. [2021-11-23 01:35:42,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:35:42,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:42,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:42,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:35:42,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:42,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:35:42,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 319 states and 1616 transitions. [2021-11-23 01:35:42,808 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1616 transitions. [2021-11-23 01:35:42,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:35:42,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:42,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:42,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:35:42,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:43,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:35:43,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:43,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 319 states and 1615 transitions. [2021-11-23 01:35:43,320 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1615 transitions. [2021-11-23 01:35:43,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:35:43,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:43,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:43,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:35:43,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:49,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:35:59,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:59,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 321 states and 1664 transitions. [2021-11-23 01:35:59,766 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1664 transitions. [2021-11-23 01:35:59,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:35:59,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:59,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:59,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:35:59,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:04,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:36:09,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:09,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 321 states and 1663 transitions. [2021-11-23 01:36:09,095 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1663 transitions. [2021-11-23 01:36:09,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:36:09,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:09,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:09,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:36:09,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:36:18,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:18,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 321 states and 1662 transitions. [2021-11-23 01:36:18,644 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1662 transitions. [2021-11-23 01:36:18,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:36:18,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:18,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:18,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:36:18,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:23,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:36:27,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:27,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 321 states and 1661 transitions. [2021-11-23 01:36:27,551 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1661 transitions. [2021-11-23 01:36:27,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:36:27,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:27,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:27,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:36:27,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:32,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:36:37,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:37,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 321 states and 1660 transitions. [2021-11-23 01:36:37,018 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1660 transitions. [2021-11-23 01:36:37,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:36:37,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:37,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:37,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:36:37,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:42,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:36:46,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:46,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 321 states and 1659 transitions. [2021-11-23 01:36:46,288 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1659 transitions. [2021-11-23 01:36:46,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:36:46,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:46,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:46,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:36:46,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:36:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 321 states and 1658 transitions. [2021-11-23 01:36:55,282 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1658 transitions. [2021-11-23 01:36:55,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:36:55,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:55,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:55,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:36:55,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:37:04,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:04,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 321 states and 1657 transitions. [2021-11-23 01:37:04,447 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1657 transitions. [2021-11-23 01:37:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:37:04,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:04,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:04,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:37:04,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:09,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:37:13,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:13,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 321 states and 1656 transitions. [2021-11-23 01:37:13,813 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1656 transitions. [2021-11-23 01:37:13,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:37:13,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:13,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:13,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:37:13,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:19,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:37:23,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:23,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 320 states and 1635 transitions. [2021-11-23 01:37:23,071 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 1635 transitions. [2021-11-23 01:37:23,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-23 01:37:23,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:23,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:23,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:37:23,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1943 backedges. 58 proven. 261 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-11-23 01:37:48,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:48,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 321 states and 1675 transitions. [2021-11-23 01:37:48,405 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1675 transitions. [2021-11-23 01:37:48,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-23 01:37:48,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:48,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:48,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:37:48,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:48,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 167 proven. 7 refuted. 0 times theorem prover too weak. 1896 trivial. 0 not checked.