./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.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_ace03c56-9e28-4a1e-92d6-245976133d29/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace03c56-9e28-4a1e-92d6-245976133d29/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_ace03c56-9e28-4a1e-92d6-245976133d29/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace03c56-9e28-4a1e-92d6-245976133d29/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace03c56-9e28-4a1e-92d6-245976133d29/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_ace03c56-9e28-4a1e-92d6-245976133d29/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 4b6ae28789704f5fd465d11d450ce27cd9b971ac76fe8e36268d0ace5b5b057f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:49:50,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:49:50,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:49:50,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:49:50,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:49:50,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:49:50,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:49:50,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:49:50,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:49:50,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:49:50,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:49:50,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:49:50,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:49:50,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:49:50,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:49:50,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:49:50,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:49:50,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:49:50,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:49:50,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:49:50,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:49:50,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:49:50,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:49:50,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:49:50,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:49:50,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:49:50,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:49:50,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:49:50,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:49:50,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:49:50,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:49:50,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:49:50,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:49:50,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:49:50,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:49:50,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:49:50,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:49:50,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:49:50,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:49:50,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:49:50,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:49:50,463 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace03c56-9e28-4a1e-92d6-245976133d29/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:49:50,511 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:49:50,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:49:50,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:49:50,514 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:49:50,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:49:50,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:49:50,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:49:50,515 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:49:50,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:49:50,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:49:50,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:49:50,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:49:50,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:49:50,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:49:50,518 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:49:50,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:49:50,519 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:49:50,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:49:50,519 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:49:50,520 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:49:50,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:49:50,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:49:50,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:49:50,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:49:50,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:49:50,521 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:49:50,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:49:50,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:49:50,522 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_ace03c56-9e28-4a1e-92d6-245976133d29/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace03c56-9e28-4a1e-92d6-245976133d29/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b6ae28789704f5fd465d11d450ce27cd9b971ac76fe8e36268d0ace5b5b057f [2021-11-23 00:49:50,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:49:50,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:49:50,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:49:50,859 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:49:50,860 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:49:50,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace03c56-9e28-4a1e-92d6-245976133d29/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.c [2021-11-23 00:49:50,926 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace03c56-9e28-4a1e-92d6-245976133d29/bin/ukojak-LBtLqBUTdQ/data/a64a05a15/d569a66398e04e208dd4bae402ffd306/FLAGe7f6620db [2021-11-23 00:49:51,444 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:49:51,444 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace03c56-9e28-4a1e-92d6-245976133d29/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.c [2021-11-23 00:49:51,450 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace03c56-9e28-4a1e-92d6-245976133d29/bin/ukojak-LBtLqBUTdQ/data/a64a05a15/d569a66398e04e208dd4bae402ffd306/FLAGe7f6620db [2021-11-23 00:49:51,815 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace03c56-9e28-4a1e-92d6-245976133d29/bin/ukojak-LBtLqBUTdQ/data/a64a05a15/d569a66398e04e208dd4bae402ffd306 [2021-11-23 00:49:51,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:49:51,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:49:51,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:49:51,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:49:51,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:49:51,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:51" (1/1) ... [2021-11-23 00:49:51,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e5e30c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:51, skipping insertion in model container [2021-11-23 00:49:51,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:51" (1/1) ... [2021-11-23 00:49:51,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:49:51,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:49:52,013 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_ace03c56-9e28-4a1e-92d6-245976133d29/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.c[520,533] [2021-11-23 00:49:52,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:49:52,037 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:49:52,050 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_ace03c56-9e28-4a1e-92d6-245976133d29/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.c[520,533] [2021-11-23 00:49:52,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:49:52,070 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:49:52,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:52 WrapperNode [2021-11-23 00:49:52,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:49:52,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:49:52,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:49:52,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:49:52,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:52" (1/1) ... [2021-11-23 00:49:52,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:52" (1/1) ... [2021-11-23 00:49:52,104 INFO L137 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2021-11-23 00:49:52,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:49:52,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:49:52,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:49:52,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:49:52,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:52" (1/1) ... [2021-11-23 00:49:52,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:52" (1/1) ... [2021-11-23 00:49:52,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:52" (1/1) ... [2021-11-23 00:49:52,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:52" (1/1) ... [2021-11-23 00:49:52,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:52" (1/1) ... [2021-11-23 00:49:52,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:52" (1/1) ... [2021-11-23 00:49:52,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:52" (1/1) ... [2021-11-23 00:49:52,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:49:52,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:49:52,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:49:52,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:49:52,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:52" (1/1) ... [2021-11-23 00:49:52,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:49:52,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace03c56-9e28-4a1e-92d6-245976133d29/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:49:52,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace03c56-9e28-4a1e-92d6-245976133d29/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:49:52,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ace03c56-9e28-4a1e-92d6-245976133d29/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:49:52,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:49:52,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:49:52,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:49:52,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:49:52,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:49:52,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:49:52,271 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:49:52,272 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:49:52,375 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:49:52,389 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:49:52,389 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:49:52,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:52 BoogieIcfgContainer [2021-11-23 00:49:52,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:49:52,392 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:49:52,392 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:49:52,406 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:49:52,406 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:52" (1/1) ... [2021-11-23 00:49:52,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:49:52,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:52,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2021-11-23 00:49:52,475 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2021-11-23 00:49:52,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:49:52,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:52,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:52,605 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 00:49:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:52,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2021-11-23 00:49:52,626 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2021-11-23 00:49:52,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:49:52,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:52,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:52,691 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 00:49:52,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:52,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-11-23 00:49:52,728 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-23 00:49:52,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:49:52,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:52,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:52,889 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 00:49:53,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:53,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2021-11-23 00:49:53,302 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2021-11-23 00:49:53,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:53,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:53,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:53,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:49:53,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:53,573 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 00:49:54,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:54,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2021-11-23 00:49:54,071 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2021-11-23 00:49:54,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:49:54,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:54,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:54,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:49:54,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:54,259 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 00:49:54,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:54,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2021-11-23 00:49:54,409 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2021-11-23 00:49:54,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:49:54,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:54,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:54,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:49:54,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:54,649 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 00:49:55,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 58 transitions. [2021-11-23 00:49:55,053 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2021-11-23 00:49:55,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:49:55,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:55,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:55,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:49:55,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:55,257 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 00:50:13,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 17.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 00:50:14,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:14,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 43 states and 94 transitions. [2021-11-23 00:50:14,251 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 94 transitions. [2021-11-23 00:50:14,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:50:14,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:14,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:14,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:50:14,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:14,460 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 00:50:15,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:15,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 47 states and 105 transitions. [2021-11-23 00:50:15,233 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 105 transitions. [2021-11-23 00:50:15,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:50:15,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:15,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:15,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:50:15,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:15,348 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 00:50:15,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:15,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 49 states and 106 transitions. [2021-11-23 00:50:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 106 transitions. [2021-11-23 00:50:15,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:50:15,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:15,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:15,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:50:15,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:15,877 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 00:50:16,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:16,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 51 states and 113 transitions. [2021-11-23 00:50:16,356 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 113 transitions. [2021-11-23 00:50:16,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:50:16,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:16,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:16,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:50:16,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:16,608 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 00:50:17,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:17,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 53 states and 123 transitions. [2021-11-23 00:50:17,434 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 123 transitions. [2021-11-23 00:50:17,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:50:17,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:17,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:17,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:50:17,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:17,608 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 00:50:18,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:18,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 122 transitions. [2021-11-23 00:50:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 122 transitions. [2021-11-23 00:50:18,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:50:18,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:18,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:18,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:50:18,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:18,384 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 00:50:18,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:18,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 53 states and 121 transitions. [2021-11-23 00:50:18,905 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 121 transitions. [2021-11-23 00:50:18,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:50:18,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:18,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:18,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:50:18,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:19,110 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 00:50:19,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:19,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 54 states and 129 transitions. [2021-11-23 00:50:19,567 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 129 transitions. [2021-11-23 00:50:19,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:50:19,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:19,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:19,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:50:19,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:19,688 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 00:50:19,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:19,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 55 states and 131 transitions. [2021-11-23 00:50:19,881 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 131 transitions. [2021-11-23 00:50:19,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:50:19,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:19,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:19,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:50:19,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:20,121 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 00:50:21,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:21,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 65 states and 185 transitions. [2021-11-23 00:50:21,697 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 185 transitions. [2021-11-23 00:50:21,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:50:21,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:21,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:21,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:50:21,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:21,993 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 00:50:22,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:22,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 69 states and 199 transitions. [2021-11-23 00:50:22,933 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 199 transitions. [2021-11-23 00:50:22,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:50:22,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:22,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:22,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:50:22,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:23,149 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 00:50:23,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:23,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 72 states and 204 transitions. [2021-11-23 00:50:23,994 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 204 transitions. [2021-11-23 00:50:23,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:50:23,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:23,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:24,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:50:24,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:24,094 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 00:50:24,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:24,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 72 states and 203 transitions. [2021-11-23 00:50:24,442 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 203 transitions. [2021-11-23 00:50:24,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:50:24,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:24,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:24,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:50:24,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:24,656 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 00:50:25,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:25,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 74 states and 204 transitions. [2021-11-23 00:50:25,153 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 204 transitions. [2021-11-23 00:50:25,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:50:25,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:25,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:25,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:50:25,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:25,287 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 00:50:25,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:25,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 74 states and 203 transitions. [2021-11-23 00:50:25,536 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 203 transitions. [2021-11-23 00:50:25,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:50:25,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:25,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:25,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:50:25,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:25,639 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 00:50:25,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:25,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 74 states and 202 transitions. [2021-11-23 00:50:25,874 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 202 transitions. [2021-11-23 00:50:25,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:50:25,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:25,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:25,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:50:25,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:26,271 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 00:50:27,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:27,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 76 states and 217 transitions. [2021-11-23 00:50:27,306 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 217 transitions. [2021-11-23 00:50:27,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:50:27,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:27,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:27,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:50:27,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:27,606 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 00:50:28,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:28,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 76 states and 216 transitions. [2021-11-23 00:50:28,134 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 216 transitions. [2021-11-23 00:50:28,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:50:28,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:28,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:28,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:50:28,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:28,530 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 00:50:29,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:29,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 76 states and 215 transitions. [2021-11-23 00:50:29,079 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 215 transitions. [2021-11-23 00:50:29,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:50:29,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:29,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:29,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:50:29,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:29,375 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 00:50:30,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:30,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 77 states and 227 transitions. [2021-11-23 00:50:30,087 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 227 transitions. [2021-11-23 00:50:30,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:50:30,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:30,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:30,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:50:30,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:30,221 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 00:50:30,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:30,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 78 states and 230 transitions. [2021-11-23 00:50:30,492 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 230 transitions. [2021-11-23 00:50:30,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:50:30,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:30,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:30,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:50:30,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:30,844 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 00:50:32,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:32,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 82 states and 245 transitions. [2021-11-23 00:50:32,109 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 245 transitions. [2021-11-23 00:50:32,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:50:32,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:32,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:32,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:50:32,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:32,372 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 00:50:33,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:33,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 85 states and 249 transitions. [2021-11-23 00:50:33,273 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 249 transitions. [2021-11-23 00:50:33,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:50:33,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:33,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:33,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:50:33,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:33,646 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 00:50:35,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 95 states and 321 transitions. [2021-11-23 00:50:35,883 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 321 transitions. [2021-11-23 00:50:35,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:50:35,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:35,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:35,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:50:35,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:36,110 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 00:50:36,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:36,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 97 states and 322 transitions. [2021-11-23 00:50:36,880 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 322 transitions. [2021-11-23 00:50:36,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:50:36,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:36,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:36,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:50:36,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:37,119 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 00:50:38,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:38,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 100 states and 326 transitions. [2021-11-23 00:50:38,159 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 326 transitions. [2021-11-23 00:50:38,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:50:38,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:38,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:38,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:50:38,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:38,304 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 00:50:38,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:38,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 100 states and 325 transitions. [2021-11-23 00:50:38,643 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 325 transitions. [2021-11-23 00:50:38,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:50:38,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:38,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:38,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:50:38,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:38,798 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 00:50:39,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 100 states and 324 transitions. [2021-11-23 00:50:39,139 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 324 transitions. [2021-11-23 00:50:39,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:50:39,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:39,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:39,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:50:39,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:39,257 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 00:50:39,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:39,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 100 states and 323 transitions. [2021-11-23 00:50:39,349 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 323 transitions. [2021-11-23 00:50:39,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:50:39,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:39,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:39,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:50:39,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:39,487 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 00:50:39,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 100 states and 322 transitions. [2021-11-23 00:50:39,843 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 322 transitions. [2021-11-23 00:50:39,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:50:39,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:39,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:39,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:50:39,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:40,007 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 00:50:40,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:40,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 100 states and 321 transitions. [2021-11-23 00:50:40,344 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 321 transitions. [2021-11-23 00:50:40,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:50:40,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:40,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:40,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:50:40,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:40,981 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 00:50:42,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:42,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 102 states and 341 transitions. [2021-11-23 00:50:42,452 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 341 transitions. [2021-11-23 00:50:42,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:50:42,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:42,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:42,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:50:42,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:42,885 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 00:50:43,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:43,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 102 states and 340 transitions. [2021-11-23 00:50:43,624 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 340 transitions. [2021-11-23 00:50:43,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:50:43,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:43,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:43,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:50:43,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:44,024 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 00:50:44,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:44,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 102 states and 339 transitions. [2021-11-23 00:50:44,836 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 339 transitions. [2021-11-23 00:50:44,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:50:44,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:44,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:44,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:50:44,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:45,222 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 00:50:45,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:45,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 102 states and 338 transitions. [2021-11-23 00:50:45,937 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 338 transitions. [2021-11-23 00:50:45,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:50:45,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:45,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:45,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:50:45,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:46,335 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 00:50:47,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:47,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 103 states and 354 transitions. [2021-11-23 00:50:47,294 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 354 transitions. [2021-11-23 00:50:47,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:50:47,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:47,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:47,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:50:47,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:47,444 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 00:50:47,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:47,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 104 states and 358 transitions. [2021-11-23 00:50:47,753 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 358 transitions. [2021-11-23 00:50:47,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:50:47,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:47,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:47,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:50:47,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:48,126 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 00:50:49,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:49,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 108 states and 375 transitions. [2021-11-23 00:50:49,677 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 375 transitions. [2021-11-23 00:50:49,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:50:49,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:49,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:49,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:50:49,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:49,907 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 00:50:51,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:51,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 111 states and 379 transitions. [2021-11-23 00:50:51,219 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 379 transitions. [2021-11-23 00:50:51,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:50:51,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:51,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:51,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:50:51,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:51,457 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 00:50:52,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 114 states and 384 transitions. [2021-11-23 00:50:52,965 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 384 transitions. [2021-11-23 00:50:52,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:50:52,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:52,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:53,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:50:53,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:53,193 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 00:50:54,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:54,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 116 states and 385 transitions. [2021-11-23 00:50:54,191 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 385 transitions. [2021-11-23 00:50:54,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:50:54,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:54,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:54,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:50:54,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:54,641 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 00:50:57,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:57,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 126 states and 472 transitions. [2021-11-23 00:50:57,907 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 472 transitions. [2021-11-23 00:50:57,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:50:57,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:57,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:57,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:50:57,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:58,123 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 00:50:59,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:59,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 129 states and 476 transitions. [2021-11-23 00:50:59,539 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 476 transitions. [2021-11-23 00:50:59,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:50:59,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:59,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:59,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:50:59,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:59,753 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 00:51:00,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:00,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 129 states and 475 transitions. [2021-11-23 00:51:00,270 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 475 transitions. [2021-11-23 00:51:00,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:51:00,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:00,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:00,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:51:00,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:00,485 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 00:51:00,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:00,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 129 states and 474 transitions. [2021-11-23 00:51:00,952 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 474 transitions. [2021-11-23 00:51:00,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:51:00,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:00,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:00,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:51:00,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:01,223 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 00:51:01,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:01,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 129 states and 473 transitions. [2021-11-23 00:51:01,657 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 473 transitions. [2021-11-23 00:51:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:51:01,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:01,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:01,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:51:01,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:01,795 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 00:51:01,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:01,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 129 states and 472 transitions. [2021-11-23 00:51:01,895 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 472 transitions. [2021-11-23 00:51:01,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:51:01,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:01,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:01,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:51:01,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:02,057 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 00:51:02,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:02,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 129 states and 471 transitions. [2021-11-23 00:51:02,553 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 471 transitions. [2021-11-23 00:51:02,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:51:02,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:02,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:02,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:51:02,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:02,693 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 00:51:03,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:03,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 129 states and 470 transitions. [2021-11-23 00:51:03,139 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 470 transitions. [2021-11-23 00:51:03,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:51:03,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:03,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:03,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:51:03,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:03,329 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 00:51:03,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:03,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 129 states and 469 transitions. [2021-11-23 00:51:03,432 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 469 transitions. [2021-11-23 00:51:03,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:51:03,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:03,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:03,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 00:51:03,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:04,192 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 00:51:06,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:06,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 131 states and 494 transitions. [2021-11-23 00:51:06,482 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 494 transitions. [2021-11-23 00:51:06,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:51:06,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:06,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:06,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 00:51:06,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:07,080 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 00:51:07,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:07,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 131 states and 493 transitions. [2021-11-23 00:51:07,925 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 493 transitions. [2021-11-23 00:51:07,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:51:07,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:07,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:07,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 00:51:07,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:08,554 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 00:51:09,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:09,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 131 states and 492 transitions. [2021-11-23 00:51:09,525 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 492 transitions. [2021-11-23 00:51:09,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:51:09,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:09,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:09,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 00:51:09,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:10,221 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 00:51:11,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:11,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 131 states and 491 transitions. [2021-11-23 00:51:11,182 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 491 transitions. [2021-11-23 00:51:11,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:51:11,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:11,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:11,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 00:51:11,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:11,796 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 00:51:12,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:12,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 131 states and 490 transitions. [2021-11-23 00:51:12,749 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 490 transitions. [2021-11-23 00:51:12,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 00:51:12,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:12,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:12,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:51:12,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:13,483 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 00:51:14,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:14,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 132 states and 510 transitions. [2021-11-23 00:51:14,864 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 510 transitions. [2021-11-23 00:51:14,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 00:51:14,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:14,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:14,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:51:14,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:15,058 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 00:51:15,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:15,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 133 states and 515 transitions. [2021-11-23 00:51:15,483 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 515 transitions. [2021-11-23 00:51:15,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:51:15,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:15,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:15,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:51:15,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:16,022 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 00:51:18,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:18,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 137 states and 536 transitions. [2021-11-23 00:51:18,827 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 536 transitions. [2021-11-23 00:51:18,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:51:18,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:18,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:18,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:51:18,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:19,173 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 00:51:20,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:20,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 140 states and 540 transitions. [2021-11-23 00:51:20,866 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 540 transitions. [2021-11-23 00:51:20,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:51:20,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:20,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:20,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:51:20,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:21,241 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 00:51:22,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:22,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 142 states and 541 transitions. [2021-11-23 00:51:22,518 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 541 transitions. [2021-11-23 00:51:22,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:51:22,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:22,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:22,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:51:22,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:23,091 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 00:51:27,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 152 states and 643 transitions. [2021-11-23 00:51:27,482 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 643 transitions. [2021-11-23 00:51:27,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:51:27,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:27,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:27,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:51:27,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:27,861 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 00:51:29,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 155 states and 647 transitions. [2021-11-23 00:51:29,914 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 647 transitions. [2021-11-23 00:51:29,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:51:29,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:29,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:29,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:51:29,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:30,275 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 00:51:32,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:32,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 158 states and 651 transitions. [2021-11-23 00:51:32,019 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 651 transitions. [2021-11-23 00:51:32,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:51:32,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:32,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:32,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:51:32,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:32,242 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 00:51:32,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:32,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 158 states and 650 transitions. [2021-11-23 00:51:32,864 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 650 transitions. [2021-11-23 00:51:32,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:51:32,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:32,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:32,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:51:32,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:33,252 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 00:51:35,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:35,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 161 states and 654 transitions. [2021-11-23 00:51:35,007 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 654 transitions. [2021-11-23 00:51:35,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:51:35,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:35,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:35,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:51:35,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:35,221 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 00:51:35,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:35,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 161 states and 653 transitions. [2021-11-23 00:51:35,826 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 653 transitions. [2021-11-23 00:51:35,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:51:35,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:35,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:35,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:51:35,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:36,044 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 00:51:36,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:36,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 161 states and 652 transitions. [2021-11-23 00:51:36,665 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 652 transitions. [2021-11-23 00:51:36,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:51:36,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:36,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:36,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:51:36,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:36,921 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 00:51:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:37,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 161 states and 651 transitions. [2021-11-23 00:51:37,538 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 651 transitions. [2021-11-23 00:51:37,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 00:51:37,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:37,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:37,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:51:37,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:37,698 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 00:51:38,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:38,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 161 states and 650 transitions. [2021-11-23 00:51:38,449 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 650 transitions. [2021-11-23 00:51:38,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 00:51:38,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:38,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:38,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:51:38,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:38,599 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 00:51:38,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:38,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 161 states and 649 transitions. [2021-11-23 00:51:38,705 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 649 transitions. [2021-11-23 00:51:38,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 00:51:38,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:38,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:38,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:51:38,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:38,889 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 00:51:39,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:39,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 161 states and 648 transitions. [2021-11-23 00:51:39,028 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 648 transitions. [2021-11-23 00:51:39,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 00:51:39,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:39,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:39,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:51:39,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:39,215 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 00:51:40,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:40,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 161 states and 647 transitions. [2021-11-23 00:51:40,026 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 647 transitions. [2021-11-23 00:51:40,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 00:51:40,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:40,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:40,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:51:40,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:40,214 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 00:51:40,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:40,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 161 states and 646 transitions. [2021-11-23 00:51:40,364 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 646 transitions. [2021-11-23 00:51:40,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 00:51:40,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:40,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:40,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:51:40,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:41,510 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 00:51:44,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 163 states and 676 transitions. [2021-11-23 00:51:44,298 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 676 transitions. [2021-11-23 00:51:44,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 00:51:44,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:44,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:44,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:51:44,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:45,241 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 00:51:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:46,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 163 states and 675 transitions. [2021-11-23 00:51:46,486 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 675 transitions. [2021-11-23 00:51:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 00:51:46,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:46,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:46,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:51:46,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:47,342 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 00:51:48,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:48,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 163 states and 674 transitions. [2021-11-23 00:51:48,571 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 674 transitions. [2021-11-23 00:51:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 00:51:48,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:48,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:48,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:51:48,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:49,686 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 00:51:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:50,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 163 states and 673 transitions. [2021-11-23 00:51:50,968 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 673 transitions. [2021-11-23 00:51:50,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 00:51:50,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:50,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:51,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:51:51,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:51,844 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 00:51:53,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:53,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 163 states and 672 transitions. [2021-11-23 00:51:53,103 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 672 transitions. [2021-11-23 00:51:53,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 00:51:53,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:53,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:53,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:51:53,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:54,069 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 00:51:55,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:55,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 163 states and 671 transitions. [2021-11-23 00:51:55,441 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 671 transitions. [2021-11-23 00:51:55,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 00:51:55,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:55,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:55,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:51:55,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:56,496 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 00:51:58,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:58,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 164 states and 695 transitions. [2021-11-23 00:51:58,567 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 695 transitions. [2021-11-23 00:51:58,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 00:51:58,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:58,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:58,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:51:58,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:58,746 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 00:51:59,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:59,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 165 states and 701 transitions. [2021-11-23 00:51:59,357 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 701 transitions. [2021-11-23 00:51:59,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:51:59,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:59,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:59,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:51:59,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:59,981 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 00:52:03,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:03,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 169 states and 725 transitions. [2021-11-23 00:52:03,456 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 725 transitions. [2021-11-23 00:52:03,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:52:03,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:03,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:03,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:52:03,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:03,834 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 00:52:06,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 172 states and 729 transitions. [2021-11-23 00:52:06,164 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 729 transitions. [2021-11-23 00:52:06,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:52:06,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:06,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:06,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:52:06,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:06,465 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 00:52:08,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:08,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 174 states and 730 transitions. [2021-11-23 00:52:08,390 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 730 transitions. [2021-11-23 00:52:08,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:52:08,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:08,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:08,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:52:08,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:09,182 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 00:52:15,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:15,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 184 states and 847 transitions. [2021-11-23 00:52:15,463 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 847 transitions. [2021-11-23 00:52:15,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:52:15,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:15,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:15,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:52:15,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:15,810 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 00:52:18,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:18,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 187 states and 851 transitions. [2021-11-23 00:52:18,528 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 851 transitions. [2021-11-23 00:52:18,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:52:18,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:18,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:18,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:52:18,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:18,762 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 00:52:19,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:19,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 187 states and 850 transitions. [2021-11-23 00:52:19,497 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 850 transitions. [2021-11-23 00:52:19,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:52:19,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:19,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:19,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:52:19,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:19,867 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 00:52:22,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:22,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 190 states and 854 transitions. [2021-11-23 00:52:22,294 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 854 transitions. [2021-11-23 00:52:22,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:52:22,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:22,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:22,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:52:22,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:22,526 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 00:52:23,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:23,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 190 states and 853 transitions. [2021-11-23 00:52:23,308 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 853 transitions. [2021-11-23 00:52:23,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:52:23,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:23,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:23,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:52:23,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:23,703 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 00:52:26,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:26,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 193 states and 857 transitions. [2021-11-23 00:52:26,241 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 857 transitions. [2021-11-23 00:52:26,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:52:26,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:26,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:26,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:52:26,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:26,462 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 00:52:27,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:27,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 193 states and 856 transitions. [2021-11-23 00:52:27,279 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 856 transitions. [2021-11-23 00:52:27,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:52:27,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:27,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:27,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:52:27,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:27,569 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 00:52:30,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:30,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 196 states and 860 transitions. [2021-11-23 00:52:30,266 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 860 transitions. [2021-11-23 00:52:30,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:52:30,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:30,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:30,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:52:30,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:30,504 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 00:52:31,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:31,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 196 states and 859 transitions. [2021-11-23 00:52:31,365 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 859 transitions. [2021-11-23 00:52:31,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:52:31,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:31,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:31,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:52:31,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:31,611 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 00:52:32,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:32,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 196 states and 858 transitions. [2021-11-23 00:52:32,426 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 858 transitions. [2021-11-23 00:52:32,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 00:52:32,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:32,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:32,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:52:32,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:32,647 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 00:52:33,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:33,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 196 states and 857 transitions. [2021-11-23 00:52:33,399 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 857 transitions. [2021-11-23 00:52:33,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 00:52:33,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:33,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:33,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:52:33,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:33,606 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 00:52:33,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:33,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 196 states and 856 transitions. [2021-11-23 00:52:33,788 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 856 transitions. [2021-11-23 00:52:33,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 00:52:33,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:33,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:33,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:52:33,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:34,002 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 00:52:34,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:34,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 196 states and 855 transitions. [2021-11-23 00:52:34,827 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 855 transitions. [2021-11-23 00:52:34,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 00:52:34,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:34,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:34,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:52:34,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:35,046 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 00:52:35,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:35,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 196 states and 854 transitions. [2021-11-23 00:52:35,213 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 854 transitions. [2021-11-23 00:52:35,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 00:52:35,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:35,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:35,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:52:35,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:35,388 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 00:52:35,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:35,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 196 states and 853 transitions. [2021-11-23 00:52:35,519 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 853 transitions. [2021-11-23 00:52:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 00:52:35,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:35,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:35,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:52:35,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:35,839 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 00:52:36,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 196 states and 852 transitions. [2021-11-23 00:52:36,011 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 852 transitions. [2021-11-23 00:52:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 00:52:36,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:36,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:36,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:52:36,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:37,757 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 00:52:41,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:41,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 198 states and 887 transitions. [2021-11-23 00:52:41,747 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 887 transitions. [2021-11-23 00:52:41,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 00:52:41,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:41,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:41,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:52:41,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:43,009 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 00:52:44,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 198 states and 886 transitions. [2021-11-23 00:52:44,759 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 886 transitions. [2021-11-23 00:52:44,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 00:52:44,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:44,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:44,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:52:44,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:46,067 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 00:52:47,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:47,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 198 states and 885 transitions. [2021-11-23 00:52:47,571 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 885 transitions. [2021-11-23 00:52:47,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 00:52:47,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:47,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:47,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:52:47,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:48,934 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 00:52:50,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:50,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 198 states and 884 transitions. [2021-11-23 00:52:50,699 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 884 transitions. [2021-11-23 00:52:50,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 00:52:50,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:50,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:50,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:52:50,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:51,997 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 00:52:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 198 states and 883 transitions. [2021-11-23 00:52:53,660 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 883 transitions. [2021-11-23 00:52:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 00:52:53,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:53,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:53,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:52:53,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:54,960 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 00:52:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:56,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 198 states and 882 transitions. [2021-11-23 00:52:56,616 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 882 transitions. [2021-11-23 00:52:56,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 00:52:56,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:56,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:56,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:52:56,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:58,110 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 00:52:59,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:59,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 198 states and 881 transitions. [2021-11-23 00:52:59,845 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 881 transitions. [2021-11-23 00:52:59,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 00:52:59,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:59,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:59,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:52:59,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:01,177 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 00:53:04,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:04,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 199 states and 909 transitions. [2021-11-23 00:53:04,097 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 909 transitions. [2021-11-23 00:53:04,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-23 00:53:04,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:04,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:04,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:53:04,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:04,319 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 00:53:05,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:05,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 200 states and 916 transitions. [2021-11-23 00:53:05,140 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 916 transitions. [2021-11-23 00:53:05,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:53:05,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:05,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:05,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:53:05,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:05,857 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 00:53:10,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:10,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 204 states and 942 transitions. [2021-11-23 00:53:10,183 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 942 transitions. [2021-11-23 00:53:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:53:10,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:10,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:10,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:53:10,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:10,564 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 00:53:13,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:13,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 207 states and 946 transitions. [2021-11-23 00:53:13,347 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 946 transitions. [2021-11-23 00:53:13,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:53:13,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:13,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:13,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:53:13,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:13,732 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 00:53:16,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:16,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 210 states and 950 transitions. [2021-11-23 00:53:16,745 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 950 transitions. [2021-11-23 00:53:16,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:53:16,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:16,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:16,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:53:16,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:17,157 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 00:53:20,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:20,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 213 states and 954 transitions. [2021-11-23 00:53:20,066 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 954 transitions. [2021-11-23 00:53:20,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:53:20,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:20,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:20,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:53:20,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:20,464 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 00:53:23,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:23,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 216 states and 958 transitions. [2021-11-23 00:53:23,347 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 958 transitions. [2021-11-23 00:53:23,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:53:23,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:23,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:23,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:53:23,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:24,365 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 00:53:32,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:32,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 226 states and 1090 transitions. [2021-11-23 00:53:32,601 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 1090 transitions. [2021-11-23 00:53:32,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:53:32,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:32,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:32,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:53:32,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:32,976 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 00:53:36,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:36,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 229 states and 1095 transitions. [2021-11-23 00:53:36,959 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 1095 transitions. [2021-11-23 00:53:36,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:53:36,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:36,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:37,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:53:37,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:37,228 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 00:53:38,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:38,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 229 states and 1094 transitions. [2021-11-23 00:53:38,248 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 1094 transitions. [2021-11-23 00:53:38,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:53:38,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:38,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:38,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:53:38,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:38,592 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 00:53:41,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:41,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 231 states and 1095 transitions. [2021-11-23 00:53:41,381 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 1095 transitions. [2021-11-23 00:53:41,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:53:41,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:41,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:41,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:53:41,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:41,629 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 00:53:42,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 231 states and 1094 transitions. [2021-11-23 00:53:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 1094 transitions. [2021-11-23 00:53:42,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:53:42,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:42,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:42,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:53:42,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:42,996 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 00:53:46,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:46,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 234 states and 1098 transitions. [2021-11-23 00:53:46,737 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1098 transitions. [2021-11-23 00:53:46,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:53:46,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:46,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:46,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:53:46,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:46,991 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 00:53:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:47,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 234 states and 1097 transitions. [2021-11-23 00:53:47,948 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1097 transitions. [2021-11-23 00:53:47,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:53:47,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:47,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:47,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:53:47,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:48,261 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 00:53:49,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:49,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 234 states and 1096 transitions. [2021-11-23 00:53:49,303 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1096 transitions. [2021-11-23 00:53:49,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:53:49,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:49,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:49,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:53:49,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:49,554 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 00:53:50,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:50,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 234 states and 1095 transitions. [2021-11-23 00:53:50,592 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1095 transitions. [2021-11-23 00:53:50,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 00:53:50,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:50,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:50,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:53:50,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:50,860 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 00:53:51,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:51,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 234 states and 1094 transitions. [2021-11-23 00:53:51,879 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1094 transitions. [2021-11-23 00:53:51,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 00:53:51,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:51,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:51,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:53:51,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:52,116 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 00:53:53,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:53,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 234 states and 1093 transitions. [2021-11-23 00:53:53,039 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1093 transitions. [2021-11-23 00:53:53,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 00:53:53,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:53,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:53,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:53:53,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:53,233 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 00:53:54,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:54,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 234 states and 1092 transitions. [2021-11-23 00:53:54,304 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1092 transitions. [2021-11-23 00:53:54,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 00:53:54,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:54,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:54,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:53:54,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:54,551 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 00:53:54,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:54,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 234 states and 1091 transitions. [2021-11-23 00:53:54,754 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1091 transitions. [2021-11-23 00:53:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 00:53:54,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:54,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:54,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:53:54,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:54,966 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 00:53:55,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:55,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 234 states and 1090 transitions. [2021-11-23 00:53:55,117 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1090 transitions. [2021-11-23 00:53:55,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 00:53:55,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:55,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:55,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:53:55,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:55,362 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 00:53:55,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:55,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 234 states and 1089 transitions. [2021-11-23 00:53:55,565 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1089 transitions. [2021-11-23 00:53:55,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 00:53:55,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:55,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:55,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:53:55,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:55,782 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 00:53:55,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:55,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 234 states and 1088 transitions. [2021-11-23 00:53:55,938 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1088 transitions. [2021-11-23 00:53:55,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 00:53:55,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:55,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:55,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:53:55,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:56,152 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 00:53:56,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:56,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 234 states and 1087 transitions. [2021-11-23 00:53:56,308 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1087 transitions. [2021-11-23 00:53:56,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 00:53:56,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:56,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:56,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 00:53:56,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:58,475 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 00:54:03,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:03,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 236 states and 1127 transitions. [2021-11-23 00:54:03,929 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1127 transitions. [2021-11-23 00:54:03,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 00:54:03,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:03,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:03,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 00:54:03,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:06,172 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 00:54:08,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:08,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 236 states and 1126 transitions. [2021-11-23 00:54:08,388 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1126 transitions. [2021-11-23 00:54:08,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 00:54:08,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:08,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:08,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 00:54:08,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:10,523 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 00:54:12,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:12,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 236 states and 1125 transitions. [2021-11-23 00:54:12,919 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1125 transitions. [2021-11-23 00:54:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 00:54:12,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:12,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:12,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 00:54:12,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:15,012 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 00:54:17,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:17,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 236 states and 1124 transitions. [2021-11-23 00:54:17,264 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1124 transitions. [2021-11-23 00:54:17,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 00:54:17,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:17,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:17,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 00:54:17,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:19,430 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 00:54:21,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:21,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 236 states and 1123 transitions. [2021-11-23 00:54:21,600 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1123 transitions. [2021-11-23 00:54:21,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 00:54:21,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:21,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:21,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 00:54:21,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:23,786 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 00:54:26,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:26,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 236 states and 1122 transitions. [2021-11-23 00:54:26,102 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1122 transitions. [2021-11-23 00:54:26,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 00:54:26,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:26,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:26,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 00:54:26,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:28,109 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 00:54:30,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:30,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 236 states and 1121 transitions. [2021-11-23 00:54:30,646 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1121 transitions. [2021-11-23 00:54:30,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 00:54:30,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:30,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:30,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 00:54:30,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:32,845 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 00:54:35,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:35,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 236 states and 1120 transitions. [2021-11-23 00:54:35,099 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1120 transitions. [2021-11-23 00:54:35,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-23 00:54:35,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:35,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:35,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:54:35,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:39,033 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 00:54:46,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:46,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 237 states and 1152 transitions. [2021-11-23 00:54:46,271 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 1152 transitions. [2021-11-23 00:54:46,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 00:54:46,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:46,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:46,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:54:46,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:46,527 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 00:54:50,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 238 states and 1160 transitions. [2021-11-23 00:54:50,439 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 1160 transitions. [2021-11-23 00:54:50,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:54:50,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:50,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:50,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:54:50,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:51,409 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 00:55:00,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:00,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 242 states and 1190 transitions. [2021-11-23 00:55:00,301 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 1190 transitions. [2021-11-23 00:55:00,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:55:00,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:00,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:00,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:55:00,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:00,878 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 00:55:06,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:06,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 245 states and 1194 transitions. [2021-11-23 00:55:06,021 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 1194 transitions. [2021-11-23 00:55:06,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:55:06,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:06,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:06,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:55:06,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:06,549 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 00:55:10,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:10,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 247 states and 1195 transitions. [2021-11-23 00:55:10,959 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 1195 transitions. [2021-11-23 00:55:10,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:55:10,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:10,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:11,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:55:11,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:11,343 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 00:55:16,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:16,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 250 states and 1199 transitions. [2021-11-23 00:55:16,834 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 1199 transitions. [2021-11-23 00:55:16,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:55:16,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:16,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:16,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:55:16,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:17,356 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 00:55:22,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:22,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 253 states and 1203 transitions. [2021-11-23 00:55:22,407 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 1203 transitions. [2021-11-23 00:55:22,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:55:22,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:22,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:22,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:55:22,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:22,912 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 00:55:27,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:27,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 256 states and 1207 transitions. [2021-11-23 00:55:27,569 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 1207 transitions. [2021-11-23 00:55:27,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:55:27,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:27,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:27,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:55:27,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:29,439 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 00:55:45,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:45,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 266 states and 1354 transitions. [2021-11-23 00:55:45,512 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 1354 transitions. [2021-11-23 00:55:45,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:55:45,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:45,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:45,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:55:45,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:46,209 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 00:55:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:53,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 269 states and 1358 transitions. [2021-11-23 00:55:53,587 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 1358 transitions. [2021-11-23 00:55:53,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:55:53,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:53,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:53,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:55:53,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:54,187 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 00:56:00,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:00,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 272 states and 1362 transitions. [2021-11-23 00:56:00,618 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 1362 transitions. [2021-11-23 00:56:00,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:56:00,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:00,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:00,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:56:00,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:01,221 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 00:56:06,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:06,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 275 states and 1366 transitions. [2021-11-23 00:56:06,979 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1366 transitions. [2021-11-23 00:56:06,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:56:06,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:06,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:07,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:56:07,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:07,271 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 00:56:08,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:08,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 275 states and 1365 transitions. [2021-11-23 00:56:08,927 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1365 transitions. [2021-11-23 00:56:08,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:56:08,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:08,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:08,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:56:08,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:09,257 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 00:56:10,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:10,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 275 states and 1364 transitions. [2021-11-23 00:56:10,689 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1364 transitions. [2021-11-23 00:56:10,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:56:10,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:10,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:10,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:56:10,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:10,999 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 00:56:12,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:12,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 275 states and 1363 transitions. [2021-11-23 00:56:12,507 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1363 transitions. [2021-11-23 00:56:12,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:56:12,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:12,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:12,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:56:12,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:12,832 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 00:56:14,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:14,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 275 states and 1362 transitions. [2021-11-23 00:56:14,511 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1362 transitions. [2021-11-23 00:56:14,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:56:14,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:14,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:14,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:56:14,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:14,849 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 00:56:16,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:16,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 275 states and 1361 transitions. [2021-11-23 00:56:16,373 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1361 transitions. [2021-11-23 00:56:16,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:56:16,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:16,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:16,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:56:16,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:16,693 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 00:56:18,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:18,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 275 states and 1360 transitions. [2021-11-23 00:56:18,192 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1360 transitions. [2021-11-23 00:56:18,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 00:56:18,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:18,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:18,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:56:18,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:18,669 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 00:56:20,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:20,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 275 states and 1359 transitions. [2021-11-23 00:56:20,186 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1359 transitions. [2021-11-23 00:56:20,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 00:56:20,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:20,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:20,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:56:20,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:20,411 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 00:56:20,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:20,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 275 states and 1358 transitions. [2021-11-23 00:56:20,602 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1358 transitions. [2021-11-23 00:56:20,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 00:56:20,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:20,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:20,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:56:20,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:20,828 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 00:56:23,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:23,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 275 states and 1357 transitions. [2021-11-23 00:56:23,904 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1357 transitions. [2021-11-23 00:56:23,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 00:56:23,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:23,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:23,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:56:23,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:24,160 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 00:56:24,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:24,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 275 states and 1356 transitions. [2021-11-23 00:56:24,359 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1356 transitions. [2021-11-23 00:56:24,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 00:56:24,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:24,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:24,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:56:24,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:24,644 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 00:56:24,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:24,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 275 states and 1355 transitions. [2021-11-23 00:56:24,905 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1355 transitions. [2021-11-23 00:56:24,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 00:56:24,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:24,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:24,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:56:24,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:25,131 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 00:56:28,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:28,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 275 states and 1354 transitions. [2021-11-23 00:56:28,135 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1354 transitions. [2021-11-23 00:56:28,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 00:56:28,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:28,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:28,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:56:28,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:28,373 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 00:56:28,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:28,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 275 states and 1353 transitions. [2021-11-23 00:56:28,566 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1353 transitions. [2021-11-23 00:56:28,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 00:56:28,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:28,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:28,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:56:28,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:28,807 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 00:56:29,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:29,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 275 states and 1352 transitions. [2021-11-23 00:56:29,016 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1352 transitions. [2021-11-23 00:56:29,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 00:56:29,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:29,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:29,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:56:29,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:29,252 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 00:56:29,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:29,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 275 states and 1351 transitions. [2021-11-23 00:56:29,462 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1351 transitions. [2021-11-23 00:56:29,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 00:56:29,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:29,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:29,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 00:56:29,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:33,791 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 00:56:41,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:41,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 277 states and 1396 transitions. [2021-11-23 00:56:41,427 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1396 transitions. [2021-11-23 00:56:41,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 00:56:41,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:41,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:41,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 00:56:41,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:44,685 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 00:56:47,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:47,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 277 states and 1395 transitions. [2021-11-23 00:56:47,923 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1395 transitions. [2021-11-23 00:56:47,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 00:56:47,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:47,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:47,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 00:56:47,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:51,481 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 00:56:54,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 277 states and 1394 transitions. [2021-11-23 00:56:54,175 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1394 transitions. [2021-11-23 00:56:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 00:56:54,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:54,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:54,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 00:56:54,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:57,421 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 00:57:00,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:00,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 277 states and 1393 transitions. [2021-11-23 00:57:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1393 transitions. [2021-11-23 00:57:00,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 00:57:00,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:00,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:00,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 00:57:00,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:04,240 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 00:57:07,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:07,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 277 states and 1392 transitions. [2021-11-23 00:57:07,406 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1392 transitions. [2021-11-23 00:57:07,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 00:57:07,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:07,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:07,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 00:57:07,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:10,917 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 00:57:14,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:14,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 277 states and 1391 transitions. [2021-11-23 00:57:14,131 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1391 transitions. [2021-11-23 00:57:14,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 00:57:14,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:14,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:14,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 00:57:14,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:17,390 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 00:57:20,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:20,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 277 states and 1390 transitions. [2021-11-23 00:57:20,636 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1390 transitions. [2021-11-23 00:57:20,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 00:57:20,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:20,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:20,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 00:57:20,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:24,212 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 00:57:27,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:27,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 277 states and 1389 transitions. [2021-11-23 00:57:27,561 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1389 transitions. [2021-11-23 00:57:27,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 00:57:27,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:27,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:27,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 00:57:27,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:31,096 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 00:57:34,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:34,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 277 states and 1388 transitions. [2021-11-23 00:57:34,443 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1388 transitions. [2021-11-23 00:57:34,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 00:57:34,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:34,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:34,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:57:34,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:40,002 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 00:57:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:50,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 278 states and 1424 transitions. [2021-11-23 00:57:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 1424 transitions. [2021-11-23 00:57:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-23 00:57:50,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:50,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:50,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:57:50,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:50,337 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 00:57:56,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:56,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 279 states and 1433 transitions. [2021-11-23 00:57:56,511 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 1433 transitions. [2021-11-23 00:57:56,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:57:56,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:56,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:56,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:57:56,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:58,041 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 00:58:08,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:08,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 283 states and 1465 transitions. [2021-11-23 00:58:08,722 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 1465 transitions. [2021-11-23 00:58:08,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:58:08,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:08,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:58:08,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:09,395 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 00:58:16,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:16,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 286 states and 1469 transitions. [2021-11-23 00:58:16,712 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 1469 transitions. [2021-11-23 00:58:16,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:58:16,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:16,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:16,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:58:16,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:17,362 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 00:58:25,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 289 states and 1473 transitions. [2021-11-23 00:58:25,055 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 1473 transitions. [2021-11-23 00:58:25,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:58:25,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:58:25,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:25,488 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 00:58:32,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:32,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 292 states and 1477 transitions. [2021-11-23 00:58:32,952 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 1477 transitions. [2021-11-23 00:58:32,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:58:32,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:32,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:58:33,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:33,722 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 00:58:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:42,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 295 states and 1482 transitions. [2021-11-23 00:58:42,908 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 1482 transitions. [2021-11-23 00:58:42,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:58:42,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:42,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:58:42,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:43,345 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 00:58:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:51,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 298 states and 1486 transitions. [2021-11-23 00:58:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 1486 transitions. [2021-11-23 00:58:51,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:58:51,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:51,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:51,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:58:51,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:51,908 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 00:58:59,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:59,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 301 states and 1490 transitions. [2021-11-23 00:58:59,100 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 1490 transitions. [2021-11-23 00:58:59,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:58:59,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:59,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:59,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:58:59,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:59,545 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 00:59:06,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:06,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 303 states and 1491 transitions. [2021-11-23 00:59:06,642 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1491 transitions. [2021-11-23 00:59:06,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:59:06,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:06,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:06,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:59:06,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:07,148 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 00:59:14,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:14,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 306 states and 1495 transitions. [2021-11-23 00:59:14,966 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1495 transitions. [2021-11-23 00:59:14,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:59:14,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:14,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:15,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:59:15,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:17,572 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 00:59:39,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:39,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 316 states and 1657 transitions. [2021-11-23 00:59:39,071 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 1657 transitions. [2021-11-23 00:59:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:59:39,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:39,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:39,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:59:39,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:39,723 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 00:59:48,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:48,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 319 states and 1661 transitions. [2021-11-23 00:59:48,141 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1661 transitions. [2021-11-23 00:59:48,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:59:48,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:48,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:48,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:59:48,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:48,461 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 00:59:50,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:50,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 319 states and 1660 transitions. [2021-11-23 00:59:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1660 transitions. [2021-11-23 00:59:50,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:59:50,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:50,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:50,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:59:50,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:50,709 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 00:59:52,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:52,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 319 states and 1659 transitions. [2021-11-23 00:59:52,456 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1659 transitions. [2021-11-23 00:59:52,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:59:52,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:52,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:52,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:59:52,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:52,776 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 00:59:54,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:54,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 319 states and 1658 transitions. [2021-11-23 00:59:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1658 transitions. [2021-11-23 00:59:54,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:59:54,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:54,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:54,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:59:54,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:54,936 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 00:59:56,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:56,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 319 states and 1657 transitions. [2021-11-23 00:59:56,851 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1657 transitions. [2021-11-23 00:59:56,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:59:56,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:56,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:56,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:59:56,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:57,207 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 00:59:59,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:59,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 319 states and 1656 transitions. [2021-11-23 00:59:59,027 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1656 transitions. [2021-11-23 00:59:59,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 00:59:59,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:59,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:59,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:59:59,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:59,351 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 01:00:01,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:01,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 319 states and 1655 transitions. [2021-11-23 01:00:01,174 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1655 transitions. [2021-11-23 01:00:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:00:01,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:01,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:01,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:00:01,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:01,501 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 01:00:03,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:03,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 319 states and 1654 transitions. [2021-11-23 01:00:03,463 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1654 transitions. [2021-11-23 01:00:03,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:00:03,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:03,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:03,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:00:03,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:03,797 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 01:00:05,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:05,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 319 states and 1653 transitions. [2021-11-23 01:00:05,626 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1653 transitions. [2021-11-23 01:00:05,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:00:05,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:05,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:05,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:00:05,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:05,878 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 01:00:06,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:06,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 319 states and 1652 transitions. [2021-11-23 01:00:06,097 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1652 transitions. [2021-11-23 01:00:06,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:00:06,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:06,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:06,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:00:06,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:06,355 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 01:00:08,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:08,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 319 states and 1651 transitions. [2021-11-23 01:00:08,093 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1651 transitions. [2021-11-23 01:00:08,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:00:08,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:08,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:08,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:00:08,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:08,340 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 01:00:08,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:08,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 319 states and 1650 transitions. [2021-11-23 01:00:08,540 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1650 transitions. [2021-11-23 01:00:08,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:00:08,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:08,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:08,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:00:08,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:08,784 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 01:00:10,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:10,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 319 states and 1649 transitions. [2021-11-23 01:00:10,482 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1649 transitions. [2021-11-23 01:00:10,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:00:10,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:10,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:10,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:00:10,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:10,740 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 01:00:10,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:10,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 319 states and 1648 transitions. [2021-11-23 01:00:10,956 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1648 transitions. [2021-11-23 01:00:10,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:00:10,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:10,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:11,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:00:11,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:11,200 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 01:00:11,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:11,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 319 states and 1647 transitions. [2021-11-23 01:00:11,420 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1647 transitions. [2021-11-23 01:00:11,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:00:11,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:11,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:11,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:00:11,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:11,697 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 01:00:11,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:11,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 319 states and 1646 transitions. [2021-11-23 01:00:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1646 transitions. [2021-11-23 01:00:11,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:00:11,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:11,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:12,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:00:12,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:12,260 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 01:00:12,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:12,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 319 states and 1645 transitions. [2021-11-23 01:00:12,552 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1645 transitions. [2021-11-23 01:00:12,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:00:12,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:12,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:12,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:00:12,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:12,800 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 01:00:13,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:13,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 319 states and 1644 transitions. [2021-11-23 01:00:13,017 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1644 transitions. [2021-11-23 01:00:13,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:00:13,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:13,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:13,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:00:13,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:18,895 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 01:00:28,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:28,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 321 states and 1694 transitions. [2021-11-23 01:00:28,154 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1694 transitions. [2021-11-23 01:00:28,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:00:28,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:28,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:28,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:00:28,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:33,416 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 01:00:37,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:37,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 321 states and 1693 transitions. [2021-11-23 01:00:37,810 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1693 transitions. [2021-11-23 01:00:37,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:00:37,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:37,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:37,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:00:37,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:42,914 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 01:00:46,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:46,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 321 states and 1692 transitions. [2021-11-23 01:00:46,735 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1692 transitions. [2021-11-23 01:00:46,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:00:46,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:46,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:46,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:00:46,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:52,094 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 01:00:57,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:57,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 321 states and 1691 transitions. [2021-11-23 01:00:57,544 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1691 transitions. [2021-11-23 01:00:57,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:00:57,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:57,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:57,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:00:57,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:03,220 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 01:01:08,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:08,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 321 states and 1690 transitions. [2021-11-23 01:01:08,023 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1690 transitions. [2021-11-23 01:01:08,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:01:08,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:08,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:08,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:01:08,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:13,705 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 01:01:18,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:18,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 321 states and 1689 transitions. [2021-11-23 01:01:18,661 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1689 transitions. [2021-11-23 01:01:18,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:01:18,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:18,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:18,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:01:18,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:24,176 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 01:01:29,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:29,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 321 states and 1688 transitions. [2021-11-23 01:01:29,080 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1688 transitions. [2021-11-23 01:01:29,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:01:29,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:29,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:29,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:01:29,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:34,656 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 01:01:39,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:39,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 321 states and 1687 transitions. [2021-11-23 01:01:39,514 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1687 transitions. [2021-11-23 01:01:39,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:01:39,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:39,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:39,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:01:39,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:45,500 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 01:01:50,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:50,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 321 states and 1686 transitions. [2021-11-23 01:01:50,524 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1686 transitions. [2021-11-23 01:01:50,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:01:50,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:50,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:50,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:01:50,609 INFO L286 TraceCheckSpWp]: Computing forward predicates...