./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-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_0d89fcc6-78f8-4e2b-929d-eef60a00572b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d89fcc6-78f8-4e2b-929d-eef60a00572b/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_0d89fcc6-78f8-4e2b-929d-eef60a00572b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d89fcc6-78f8-4e2b-929d-eef60a00572b/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d89fcc6-78f8-4e2b-929d-eef60a00572b/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_0d89fcc6-78f8-4e2b-929d-eef60a00572b/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 99e5cccea54789cc7c8b01ece41ae38ca7afc8c38f73e2884988b8ff4c6bfc25 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:29:22,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:29:22,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:29:22,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:29:22,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:29:22,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:29:22,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:29:22,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:29:22,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:29:22,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:29:22,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:29:22,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:29:22,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:29:22,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:29:22,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:29:23,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:29:23,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:29:23,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:29:23,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:29:23,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:29:23,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:29:23,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:29:23,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:29:23,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:29:23,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:29:23,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:29:23,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:29:23,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:29:23,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:29:23,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:29:23,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:29:23,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:29:23,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:29:23,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:29:23,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:29:23,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:29:23,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:29:23,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:29:23,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:29:23,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:29:23,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:29:23,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d89fcc6-78f8-4e2b-929d-eef60a00572b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:29:23,094 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:29:23,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:29:23,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:29:23,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:29:23,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:29:23,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:29:23,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:29:23,098 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:29:23,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:29:23,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:29:23,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:29:23,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:29:23,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:29:23,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:29:23,101 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:29:23,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:29:23,101 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:29:23,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:29:23,102 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:29:23,102 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:29:23,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:29:23,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:29:23,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:29:23,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:29:23,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:29:23,104 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:29:23,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:29:23,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:29:23,104 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_0d89fcc6-78f8-4e2b-929d-eef60a00572b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d89fcc6-78f8-4e2b-929d-eef60a00572b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99e5cccea54789cc7c8b01ece41ae38ca7afc8c38f73e2884988b8ff4c6bfc25 [2021-11-23 01:29:23,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:29:23,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:29:23,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:29:23,412 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:29:23,413 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:29:23,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d89fcc6-78f8-4e2b-929d-eef60a00572b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c [2021-11-23 01:29:23,501 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d89fcc6-78f8-4e2b-929d-eef60a00572b/bin/ukojak-LBtLqBUTdQ/data/f18554453/182742feec3f4f8ab90db3add1cea874/FLAG2297db2a4 [2021-11-23 01:29:23,930 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:29:23,931 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d89fcc6-78f8-4e2b-929d-eef60a00572b/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c [2021-11-23 01:29:23,937 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d89fcc6-78f8-4e2b-929d-eef60a00572b/bin/ukojak-LBtLqBUTdQ/data/f18554453/182742feec3f4f8ab90db3add1cea874/FLAG2297db2a4 [2021-11-23 01:29:24,329 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d89fcc6-78f8-4e2b-929d-eef60a00572b/bin/ukojak-LBtLqBUTdQ/data/f18554453/182742feec3f4f8ab90db3add1cea874 [2021-11-23 01:29:24,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:29:24,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:29:24,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:29:24,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:29:24,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:29:24,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:24" (1/1) ... [2021-11-23 01:29:24,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@561a81f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:24, skipping insertion in model container [2021-11-23 01:29:24,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:24" (1/1) ... [2021-11-23 01:29:24,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:29:24,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:29:24,569 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_0d89fcc6-78f8-4e2b-929d-eef60a00572b/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c[458,471] [2021-11-23 01:29:24,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:29:24,604 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:29:24,628 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_0d89fcc6-78f8-4e2b-929d-eef60a00572b/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c[458,471] [2021-11-23 01:29:24,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:29:24,668 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:29:24,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:24 WrapperNode [2021-11-23 01:29:24,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:29:24,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:29:24,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:29:24,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:29:24,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:24" (1/1) ... [2021-11-23 01:29:24,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:24" (1/1) ... [2021-11-23 01:29:24,711 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2021-11-23 01:29:24,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:29:24,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:29:24,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:29:24,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:29:24,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:24" (1/1) ... [2021-11-23 01:29:24,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:24" (1/1) ... [2021-11-23 01:29:24,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:24" (1/1) ... [2021-11-23 01:29:24,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:24" (1/1) ... [2021-11-23 01:29:24,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:24" (1/1) ... [2021-11-23 01:29:24,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:24" (1/1) ... [2021-11-23 01:29:24,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:24" (1/1) ... [2021-11-23 01:29:24,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:29:24,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:29:24,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:29:24,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:29:24,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:24" (1/1) ... [2021-11-23 01:29:24,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:29:24,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d89fcc6-78f8-4e2b-929d-eef60a00572b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:29:24,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d89fcc6-78f8-4e2b-929d-eef60a00572b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:29:24,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d89fcc6-78f8-4e2b-929d-eef60a00572b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:29:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:29:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:29:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:29:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:29:24,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:29:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:29:24,920 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:29:24,922 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:29:25,036 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:29:25,049 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:29:25,050 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:29:25,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:25 BoogieIcfgContainer [2021-11-23 01:29:25,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:29:25,053 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:29:25,054 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:29:25,064 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:29:25,064 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:25" (1/1) ... [2021-11-23 01:29:25,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:29:25,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:25,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2021-11-23 01:29:25,134 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2021-11-23 01:29:25,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:29:25,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:25,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:25,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:25,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:25,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-11-23 01:29:25,282 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-23 01:29:25,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:29:25,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:25,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:25,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:25,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:25,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-23 01:29:25,380 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-23 01:29:25,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:29:25,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:25,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:25,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:29:25,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:25,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:26,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:26,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2021-11-23 01:29:26,036 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-11-23 01:29:26,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:29:26,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:26,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:26,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:29:26,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:26,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:26,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:26,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2021-11-23 01:29:26,221 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2021-11-23 01:29:26,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:29:26,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:26,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:26,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:29:26,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:26,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:27,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:27,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 32 states and 62 transitions. [2021-11-23 01:29:27,403 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 62 transitions. [2021-11-23 01:29:27,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:29:27,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:27,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:27,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:29:27,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:28,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 36 states and 73 transitions. [2021-11-23 01:29:28,202 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. [2021-11-23 01:29:28,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:29:28,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:28,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:28,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:29:28,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:28,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:28,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 38 states and 74 transitions. [2021-11-23 01:29:28,638 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 74 transitions. [2021-11-23 01:29:28,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:29:28,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:28,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:28,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:29:28,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:28,999 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:29:29,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:29,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 42 states and 89 transitions. [2021-11-23 01:29:29,678 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 89 transitions. [2021-11-23 01:29:29,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:29,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:29,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:29,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:29:29,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:29:31,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:31,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 51 states and 122 transitions. [2021-11-23 01:29:31,605 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 122 transitions. [2021-11-23 01:29:31,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:29:31,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:31,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:31,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:29:31,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:31,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:29:32,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:32,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 124 transitions. [2021-11-23 01:29:32,286 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 124 transitions. [2021-11-23 01:29:32,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:29:32,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:32,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:32,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:29:32,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:32,458 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:34,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:34,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 61 states and 165 transitions. [2021-11-23 01:29:34,071 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 165 transitions. [2021-11-23 01:29:34,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:29:34,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:34,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:34,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:29:34,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:29:35,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:35,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 65 states and 181 transitions. [2021-11-23 01:29:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 181 transitions. [2021-11-23 01:29:35,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:29:35,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:35,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:35,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:29:35,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:35,555 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:29:36,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:36,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 67 states and 183 transitions. [2021-11-23 01:29:36,210 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 183 transitions. [2021-11-23 01:29:36,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:29:36,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:36,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:36,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:29:36,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:36,282 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:36,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 67 states and 182 transitions. [2021-11-23 01:29:36,539 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 182 transitions. [2021-11-23 01:29:36,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:29:36,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:36,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:36,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:29:36,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:29:37,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:37,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 69 states and 184 transitions. [2021-11-23 01:29:37,495 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 184 transitions. [2021-11-23 01:29:37,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:29:37,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:37,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:37,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:29:37,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:37,600 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:29:37,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:37,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 70 states and 190 transitions. [2021-11-23 01:29:37,901 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 190 transitions. [2021-11-23 01:29:37,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:29:37,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:37,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:37,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:29:37,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:38,321 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:29:40,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:40,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 79 states and 233 transitions. [2021-11-23 01:29:40,825 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 233 transitions. [2021-11-23 01:29:40,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:29:40,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:40,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:40,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:29:40,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:40,997 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:29:42,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 83 states and 236 transitions. [2021-11-23 01:29:42,429 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 236 transitions. [2021-11-23 01:29:42,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:29:42,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:42,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:42,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:29:42,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:42,587 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:29:43,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 85 states and 238 transitions. [2021-11-23 01:29:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 238 transitions. [2021-11-23 01:29:43,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:29:43,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:43,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:43,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:29:43,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:43,606 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:29:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:45,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 89 states and 255 transitions. [2021-11-23 01:29:45,151 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 255 transitions. [2021-11-23 01:29:45,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:29:45,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:45,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:45,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:29:45,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:45,460 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:46,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:46,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 93 states and 279 transitions. [2021-11-23 01:29:46,723 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 279 transitions. [2021-11-23 01:29:46,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:29:46,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:46,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:46,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:29:46,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:29:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:47,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 95 states and 281 transitions. [2021-11-23 01:29:47,911 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 281 transitions. [2021-11-23 01:29:47,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:29:47,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:47,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:47,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:29:47,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:48,269 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:29:49,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:49,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 97 states and 283 transitions. [2021-11-23 01:29:49,115 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 283 transitions. [2021-11-23 01:29:49,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:29:49,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:49,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:49,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:29:49,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:49,270 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:29:50,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:50,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 99 states and 285 transitions. [2021-11-23 01:29:50,428 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 285 transitions. [2021-11-23 01:29:50,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:29:50,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:50,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:50,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:29:50,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:51,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:51,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 103 states and 320 transitions. [2021-11-23 01:29:51,789 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 320 transitions. [2021-11-23 01:29:51,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:29:51,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:51,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:51,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:29:51,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:52,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:52,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 103 states and 319 transitions. [2021-11-23 01:29:52,325 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 319 transitions. [2021-11-23 01:29:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:29:52,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:52,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:52,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:29:52,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:52,439 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:29:53,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:53,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 106 states and 330 transitions. [2021-11-23 01:29:53,749 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 330 transitions. [2021-11-23 01:29:53,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:29:53,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:53,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:53,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:29:53,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:54,321 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:29:58,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:58,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 115 states and 385 transitions. [2021-11-23 01:29:58,184 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 385 transitions. [2021-11-23 01:29:58,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:29:58,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:58,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:58,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:29:58,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:29:59,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:59,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 117 states and 387 transitions. [2021-11-23 01:29:59,254 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 387 transitions. [2021-11-23 01:29:59,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:29:59,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:59,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:59,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:29:59,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:59,415 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:30:00,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:00,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 119 states and 389 transitions. [2021-11-23 01:30:00,362 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 389 transitions. [2021-11-23 01:30:00,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:30:00,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:00,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:00,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:30:00,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:00,526 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:30:01,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 121 states and 391 transitions. [2021-11-23 01:30:01,609 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 391 transitions. [2021-11-23 01:30:01,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:30:01,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:01,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:01,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:30:01,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:01,833 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:30:02,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:02,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 123 states and 392 transitions. [2021-11-23 01:30:02,809 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 392 transitions. [2021-11-23 01:30:02,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:30:02,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:02,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:02,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:30:02,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:02,984 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:30:03,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:03,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 125 states and 393 transitions. [2021-11-23 01:30:03,996 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 393 transitions. [2021-11-23 01:30:03,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:30:03,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:03,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:04,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:30:04,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:04,409 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:30:06,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:06,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 129 states and 414 transitions. [2021-11-23 01:30:06,481 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 414 transitions. [2021-11-23 01:30:06,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:30:06,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:06,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:06,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:30:06,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:06,776 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:30:07,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:07,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 131 states and 416 transitions. [2021-11-23 01:30:07,985 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 416 transitions. [2021-11-23 01:30:07,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:30:07,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:07,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:08,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:30:08,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:08,239 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:30:09,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:09,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 133 states and 418 transitions. [2021-11-23 01:30:09,512 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 418 transitions. [2021-11-23 01:30:09,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:30:09,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:09,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:09,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:30:09,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:10,119 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:30:11,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:11,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 135 states and 420 transitions. [2021-11-23 01:30:11,567 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 420 transitions. [2021-11-23 01:30:11,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:30:11,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:11,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:11,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:30:11,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:12,013 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:14,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:14,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 139 states and 451 transitions. [2021-11-23 01:30:14,067 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 451 transitions. [2021-11-23 01:30:14,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:30:14,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:14,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:14,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:30:14,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:14,460 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:30:15,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:15,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 141 states and 453 transitions. [2021-11-23 01:30:15,645 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 453 transitions. [2021-11-23 01:30:15,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:30:15,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:15,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:15,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:30:15,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:15,743 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:17,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 145 states and 497 transitions. [2021-11-23 01:30:17,472 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 497 transitions. [2021-11-23 01:30:17,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:30:17,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:17,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:17,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:30:17,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:17,567 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:18,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:18,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 145 states and 496 transitions. [2021-11-23 01:30:18,237 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 496 transitions. [2021-11-23 01:30:18,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:30:18,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:18,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:18,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:30:18,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:18,356 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:18,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:18,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 145 states and 495 transitions. [2021-11-23 01:30:18,989 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 495 transitions. [2021-11-23 01:30:18,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:30:18,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:18,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:19,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:30:19,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-23 01:30:19,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:19,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 146 states and 502 transitions. [2021-11-23 01:30:19,748 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 502 transitions. [2021-11-23 01:30:19,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:30:19,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:19,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:19,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:30:19,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:20,464 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:30:26,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:26,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 155 states and 569 transitions. [2021-11-23 01:30:26,067 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 569 transitions. [2021-11-23 01:30:26,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:30:26,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:26,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:26,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:30:26,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:26,266 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:30:27,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:27,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 157 states and 571 transitions. [2021-11-23 01:30:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 571 transitions. [2021-11-23 01:30:27,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:30:27,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:27,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:27,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:30:27,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:27,709 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:30:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:28,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 159 states and 573 transitions. [2021-11-23 01:30:28,902 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 573 transitions. [2021-11-23 01:30:28,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:30:28,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:28,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:28,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:30:28,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:29,094 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:30:30,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:30,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 161 states and 574 transitions. [2021-11-23 01:30:30,458 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 574 transitions. [2021-11-23 01:30:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:30:30,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:30,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:30,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:30:30,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:30,653 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:30:31,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:31,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 163 states and 576 transitions. [2021-11-23 01:30:31,929 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 576 transitions. [2021-11-23 01:30:31,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:30:31,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:31,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:31,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:30:31,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:32,102 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:30:33,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:33,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 165 states and 578 transitions. [2021-11-23 01:30:33,388 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 578 transitions. [2021-11-23 01:30:33,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:30:33,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:33,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:33,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:30:33,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:30:34,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:34,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 167 states and 579 transitions. [2021-11-23 01:30:34,989 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 579 transitions. [2021-11-23 01:30:34,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:30:34,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:34,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:35,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:30:35,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:35,184 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:30:36,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:36,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 169 states and 580 transitions. [2021-11-23 01:30:36,723 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 580 transitions. [2021-11-23 01:30:36,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:30:36,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:36,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:36,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:30:36,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:37,573 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:30:40,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:40,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 173 states and 605 transitions. [2021-11-23 01:30:40,936 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 605 transitions. [2021-11-23 01:30:40,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:30:40,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:40,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:41,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:30:41,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:41,463 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:30:43,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:43,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 175 states and 607 transitions. [2021-11-23 01:30:43,344 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 607 transitions. [2021-11-23 01:30:43,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:30:43,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:43,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:43,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:30:43,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:43,908 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:30:45,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:45,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 177 states and 609 transitions. [2021-11-23 01:30:45,698 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 609 transitions. [2021-11-23 01:30:45,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:30:45,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:45,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:45,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:30:45,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:46,448 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:49,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:49,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 181 states and 647 transitions. [2021-11-23 01:30:49,126 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 647 transitions. [2021-11-23 01:30:49,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:30:49,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:49,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:49,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:30:49,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:49,630 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:30:51,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:51,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 183 states and 649 transitions. [2021-11-23 01:30:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 649 transitions. [2021-11-23 01:30:51,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:30:51,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:51,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:51,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:30:51,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:51,424 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:53,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:53,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 187 states and 702 transitions. [2021-11-23 01:30:53,882 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 702 transitions. [2021-11-23 01:30:53,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:30:53,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:53,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:54,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:30:54,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:54,263 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:30:56,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:56,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 189 states and 704 transitions. [2021-11-23 01:30:56,126 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 704 transitions. [2021-11-23 01:30:56,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:30:56,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:56,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:56,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:30:56,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:56,249 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:57,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:57,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 189 states and 703 transitions. [2021-11-23 01:30:57,034 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 703 transitions. [2021-11-23 01:30:57,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:30:57,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:57,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:57,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:30:57,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:57,823 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:31:00,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 191 states and 705 transitions. [2021-11-23 01:31:00,260 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 705 transitions. [2021-11-23 01:31:00,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:31:00,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:00,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:00,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:31:00,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:00,373 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:01,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:01,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 191 states and 704 transitions. [2021-11-23 01:31:01,099 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 704 transitions. [2021-11-23 01:31:01,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:31:01,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:01,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:01,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:31:01,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:01,222 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:02,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:02,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 191 states and 703 transitions. [2021-11-23 01:31:02,102 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 703 transitions. [2021-11-23 01:31:02,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:31:02,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:02,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:02,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:31:02,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:02,209 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-23 01:31:04,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:04,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 194 states and 716 transitions. [2021-11-23 01:31:04,937 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 716 transitions. [2021-11-23 01:31:04,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:31:04,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:04,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:04,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:31:04,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:05,958 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:31:13,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:13,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 203 states and 795 transitions. [2021-11-23 01:31:13,545 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 795 transitions. [2021-11-23 01:31:13,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:31:13,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:13,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:13,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:31:13,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:13,767 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:31:17,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:17,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 207 states and 798 transitions. [2021-11-23 01:31:17,044 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 798 transitions. [2021-11-23 01:31:17,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:31:17,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:17,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:17,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:31:17,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:17,268 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:31:19,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 209 states and 800 transitions. [2021-11-23 01:31:19,023 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 800 transitions. [2021-11-23 01:31:19,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:31:19,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:19,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:19,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:31:19,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:19,241 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:31:21,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:21,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 211 states and 802 transitions. [2021-11-23 01:31:21,179 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 802 transitions. [2021-11-23 01:31:21,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:31:21,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:21,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:21,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:31:21,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:21,386 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:31:23,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:23,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 213 states and 804 transitions. [2021-11-23 01:31:23,137 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 804 transitions. [2021-11-23 01:31:23,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:31:23,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:23,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:23,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:31:23,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:31:25,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:25,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 215 states and 806 transitions. [2021-11-23 01:31:25,203 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 806 transitions. [2021-11-23 01:31:25,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:31:25,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:25,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:25,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:31:25,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:25,400 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:31:27,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:27,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 217 states and 807 transitions. [2021-11-23 01:31:27,153 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 807 transitions. [2021-11-23 01:31:27,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:31:27,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:27,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:27,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:31:27,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:27,344 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:31:29,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:29,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 219 states and 808 transitions. [2021-11-23 01:31:29,216 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 808 transitions. [2021-11-23 01:31:29,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:31:29,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:29,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:29,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:31:29,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:29,404 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:31:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 221 states and 809 transitions. [2021-11-23 01:31:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 809 transitions. [2021-11-23 01:31:31,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:31:31,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:31,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:32,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:31:32,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:33,731 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:31:38,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:38,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 225 states and 838 transitions. [2021-11-23 01:31:38,944 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 838 transitions. [2021-11-23 01:31:38,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:31:38,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:38,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:40,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:31:40,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:31:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:43,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 227 states and 840 transitions. [2021-11-23 01:31:43,422 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 840 transitions. [2021-11-23 01:31:43,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:31:43,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:43,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:43,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:31:43,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 231 states and 885 transitions. [2021-11-23 01:31:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 885 transitions. [2021-11-23 01:31:48,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:31:48,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:48,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:49,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 01:31:49,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:51,253 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 26 proven. 79 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:31:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:56,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 233 states and 887 transitions. [2021-11-23 01:31:56,599 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 887 transitions. [2021-11-23 01:31:56,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:31:56,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:56,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:57,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 01:31:57,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:59,873 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 20 proven. 85 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:32:04,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:04,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 235 states and 889 transitions. [2021-11-23 01:32:04,443 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 889 transitions. [2021-11-23 01:32:04,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:32:04,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:04,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:05,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 01:32:05,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:06,387 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:32:08,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:08,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 237 states and 891 transitions. [2021-11-23 01:32:08,833 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 891 transitions. [2021-11-23 01:32:08,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:32:08,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:08,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:09,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:32:09,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:10,226 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:32:13,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:13,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 239 states and 893 transitions. [2021-11-23 01:32:13,730 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 893 transitions. [2021-11-23 01:32:13,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:32:13,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:13,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:14,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:32:14,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:15,631 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:32:18,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:18,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 241 states and 895 transitions. [2021-11-23 01:32:18,697 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 895 transitions. [2021-11-23 01:32:18,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:32:18,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:18,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:18,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:32:18,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:18,827 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:22,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:22,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 245 states and 957 transitions. [2021-11-23 01:32:22,551 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 957 transitions. [2021-11-23 01:32:22,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:32:22,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:22,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:22,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:32:22,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:22,666 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:23,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:23,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 245 states and 956 transitions. [2021-11-23 01:32:23,770 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 956 transitions. [2021-11-23 01:32:23,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:32:23,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:23,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:23,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:32:23,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:23,899 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:24,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:24,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 245 states and 955 transitions. [2021-11-23 01:32:24,964 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 955 transitions. [2021-11-23 01:32:24,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:32:24,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:24,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:24,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:32:24,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:25,085 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:26,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:26,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 245 states and 954 transitions. [2021-11-23 01:32:26,223 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 954 transitions. [2021-11-23 01:32:26,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:32:26,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:26,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:26,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:32:26,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:26,363 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:27,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:27,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 245 states and 953 transitions. [2021-11-23 01:32:27,451 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 953 transitions. [2021-11-23 01:32:27,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:32:27,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:27,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:27,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:27,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:27,561 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-23 01:32:28,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:28,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 246 states and 962 transitions. [2021-11-23 01:32:28,844 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 962 transitions. [2021-11-23 01:32:28,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:32:28,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:28,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:28,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:32:28,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:30,395 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:32:41,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:41,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 255 states and 1053 transitions. [2021-11-23 01:32:41,028 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 1053 transitions. [2021-11-23 01:32:41,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:32:41,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:41,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:41,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:32:41,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:41,227 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:32:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:43,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 257 states and 1055 transitions. [2021-11-23 01:32:43,452 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 1055 transitions. [2021-11-23 01:32:43,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:32:43,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:43,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:43,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:32:43,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:43,652 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:32:48,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:48,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 261 states and 1058 transitions. [2021-11-23 01:32:48,590 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 1058 transitions. [2021-11-23 01:32:48,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:32:48,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:48,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:48,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:32:48,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:48,798 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:32:53,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:53,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 265 states and 1061 transitions. [2021-11-23 01:32:53,439 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 1061 transitions. [2021-11-23 01:32:53,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:32:53,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:53,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:53,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:32:53,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:53,653 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:32:56,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:56,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 267 states and 1062 transitions. [2021-11-23 01:32:56,185 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 1062 transitions. [2021-11-23 01:32:56,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:32:56,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:56,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:56,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:32:56,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:56,413 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:32:58,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:58,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 269 states and 1064 transitions. [2021-11-23 01:32:58,837 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 1064 transitions. [2021-11-23 01:32:58,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:32:58,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:58,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:58,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:32:58,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:59,071 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:33:01,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:01,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 271 states and 1066 transitions. [2021-11-23 01:33:01,563 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 1066 transitions. [2021-11-23 01:33:01,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:33:01,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:01,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:01,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:33:01,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:01,800 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:33:04,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:04,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 273 states and 1068 transitions. [2021-11-23 01:33:04,424 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 1068 transitions. [2021-11-23 01:33:04,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:33:04,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:04,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:04,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:33:04,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:04,657 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:33:07,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:07,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 275 states and 1069 transitions. [2021-11-23 01:33:07,138 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1069 transitions. [2021-11-23 01:33:07,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:33:07,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:07,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:07,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:33:07,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:07,368 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 14 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:33:09,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:09,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 277 states and 1070 transitions. [2021-11-23 01:33:09,925 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1070 transitions. [2021-11-23 01:33:09,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:33:09,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:09,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:12,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 01:33:12,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:16,993 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 01:33:26,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:26,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 281 states and 1103 transitions. [2021-11-23 01:33:26,767 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 1103 transitions. [2021-11-23 01:33:26,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:33:26,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:26,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:29,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:33:29,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 31 proven. 106 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 01:33:38,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:38,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 283 states and 1105 transitions. [2021-11-23 01:33:38,372 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 1105 transitions. [2021-11-23 01:33:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:33:38,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:38,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:40,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 01:33:40,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:42,653 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 22 proven. 115 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 01:33:48,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:48,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 285 states and 1107 transitions. [2021-11-23 01:33:48,235 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 1107 transitions. [2021-11-23 01:33:48,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:33:48,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:48,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:50,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 01:33:50,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:53,698 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 01:33:59,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:59,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 287 states and 1109 transitions. [2021-11-23 01:33:59,844 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 1109 transitions. [2021-11-23 01:33:59,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:33:59,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:59,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:02,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 01:34:02,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 22 proven. 115 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 01:34:08,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:08,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 289 states and 1111 transitions. [2021-11-23 01:34:08,788 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 1111 transitions. [2021-11-23 01:34:08,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:34:08,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:08,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:08,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:34:08,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:10,205 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:16,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:16,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 293 states and 1163 transitions. [2021-11-23 01:34:16,131 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 1163 transitions. [2021-11-23 01:34:16,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:34:16,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:16,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:18,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:34:18,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:20,974 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:34:26,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:26,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 295 states and 1165 transitions. [2021-11-23 01:34:26,904 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 1165 transitions. [2021-11-23 01:34:26,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:34:26,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:26,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:26,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:34:26,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:27,073 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:32,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:32,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 299 states and 1236 transitions. [2021-11-23 01:34:32,167 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 1236 transitions. [2021-11-23 01:34:32,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:34:32,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:32,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:34,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:34:34,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 31 proven. 106 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 01:34:45,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:45,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 303 states and 1243 transitions. [2021-11-23 01:34:45,172 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1243 transitions. [2021-11-23 01:34:45,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:34:45,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:45,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:45,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:34:45,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:45,299 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:46,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:46,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 303 states and 1242 transitions. [2021-11-23 01:34:46,748 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1242 transitions. [2021-11-23 01:34:46,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:34:46,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:46,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:48,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:34:48,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:48,556 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:34:54,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:54,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 305 states and 1244 transitions. [2021-11-23 01:34:54,163 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1244 transitions. [2021-11-23 01:34:54,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:34:54,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:54,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:54,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:34:54,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:54,297 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:55,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:55,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 305 states and 1243 transitions. [2021-11-23 01:34:55,997 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1243 transitions. [2021-11-23 01:34:55,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:34:55,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:55,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:56,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:34:56,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:56,143 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:57,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:57,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 305 states and 1242 transitions. [2021-11-23 01:34:57,975 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1242 transitions. [2021-11-23 01:34:57,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:34:57,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:57,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:58,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:34:58,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:58,150 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:00,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:00,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 305 states and 1241 transitions. [2021-11-23 01:35:00,131 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1241 transitions. [2021-11-23 01:35:00,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:35:00,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:00,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:00,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:35:00,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:00,261 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:02,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:02,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 305 states and 1240 transitions. [2021-11-23 01:35:02,075 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1240 transitions. [2021-11-23 01:35:02,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:35:02,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:02,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:02,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:35:02,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-23 01:35:04,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:04,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 306 states and 1250 transitions. [2021-11-23 01:35:04,493 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1250 transitions. [2021-11-23 01:35:04,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:35:04,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:04,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:04,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:35:04,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:06,749 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:35:22,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:22,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 315 states and 1353 transitions. [2021-11-23 01:35:22,466 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1353 transitions. [2021-11-23 01:35:22,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:35:22,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:22,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:22,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:35:22,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:22,737 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:35:30,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:30,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 319 states and 1356 transitions. [2021-11-23 01:35:30,188 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1356 transitions. [2021-11-23 01:35:30,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:35:30,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:30,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:30,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:35:30,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:30,416 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:35:33,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:33,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 321 states and 1358 transitions. [2021-11-23 01:35:33,771 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1358 transitions. [2021-11-23 01:35:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:35:33,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:33,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:33,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:35:33,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:34,005 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:35:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:41,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 325 states and 1361 transitions. [2021-11-23 01:35:41,504 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 1361 transitions. [2021-11-23 01:35:41,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:35:41,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:41,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:41,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:35:41,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:41,744 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:35:45,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:45,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 327 states and 1363 transitions. [2021-11-23 01:35:45,439 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 1363 transitions. [2021-11-23 01:35:45,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:35:45,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:45,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:45,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:35:45,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:45,731 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:35:49,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:49,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 329 states and 1365 transitions. [2021-11-23 01:35:49,342 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 1365 transitions. [2021-11-23 01:35:49,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:35:49,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:49,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:49,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:35:49,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:49,752 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:35:53,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 331 states and 1366 transitions. [2021-11-23 01:35:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 1366 transitions. [2021-11-23 01:35:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:35:53,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:53,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:53,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:35:53,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:35:57,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:57,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 333 states and 1368 transitions. [2021-11-23 01:35:57,833 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 1368 transitions. [2021-11-23 01:35:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:35:57,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:57,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:57,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:35:57,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:58,082 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:36:01,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:01,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 335 states and 1370 transitions. [2021-11-23 01:36:01,949 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1370 transitions. [2021-11-23 01:36:01,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:36:01,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:01,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:01,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:36:01,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:02,168 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:36:06,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:06,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 337 states and 1371 transitions. [2021-11-23 01:36:06,596 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 1371 transitions. [2021-11-23 01:36:06,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:36:06,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:06,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:06,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:36:06,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:06,887 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:36:11,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:11,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 339 states and 1372 transitions. [2021-11-23 01:36:11,714 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 1372 transitions. [2021-11-23 01:36:11,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:36:11,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:11,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:11,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:36:11,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:11,953 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:36:16,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:16,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 341 states and 1373 transitions. [2021-11-23 01:36:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 1373 transitions. [2021-11-23 01:36:16,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:36:16,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:16,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:19,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 01:36:19,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 46 proven. 151 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-23 01:36:42,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:42,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 345 states and 1410 transitions. [2021-11-23 01:36:42,218 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 1410 transitions. [2021-11-23 01:36:42,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:36:42,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:42,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:47,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:36:47,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:49,996 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 36 proven. 137 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 01:37:01,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:01,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 347 states and 1412 transitions. [2021-11-23 01:37:01,342 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 1412 transitions. [2021-11-23 01:37:01,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:37:01,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:01,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:06,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:37:06,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:12,870 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 36 proven. 137 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 01:37:24,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:24,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 349 states and 1414 transitions. [2021-11-23 01:37:24,509 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 1414 transitions. [2021-11-23 01:37:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:37:24,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:24,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:24,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:37:24,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:26,926 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:36,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:36,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 353 states and 1473 transitions. [2021-11-23 01:37:36,672 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 1473 transitions. [2021-11-23 01:37:36,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:37:36,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:36,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:39,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 01:37:39,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:41,833 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 44 proven. 144 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-23 01:37:48,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 355 states and 1475 transitions. [2021-11-23 01:37:48,344 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 1475 transitions. [2021-11-23 01:37:48,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:37:48,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:48,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:48,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:37:48,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:57,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:57,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 359 states and 1555 transitions. [2021-11-23 01:37:57,074 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 1555 transitions. [2021-11-23 01:37:57,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:37:57,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:57,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:00,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 01:38:00,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:03,814 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 140 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 01:38:11,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:11,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 361 states and 1557 transitions. [2021-11-23 01:38:11,751 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 1557 transitions. [2021-11-23 01:38:11,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:38:11,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:11,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:14,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 01:38:14,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:16,965 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 36 proven. 137 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 01:38:28,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:28,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 363 states and 1559 transitions. [2021-11-23 01:38:28,128 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1559 transitions. [2021-11-23 01:38:28,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:38:28,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:28,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:28,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:38:28,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:28,282 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:30,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:30,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 363 states and 1558 transitions. [2021-11-23 01:38:30,830 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1558 transitions. [2021-11-23 01:38:30,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:38:30,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:30,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:35,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:38:35,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:42,171 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 49 proven. 148 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-23 01:38:51,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:51,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 365 states and 1560 transitions. [2021-11-23 01:38:51,833 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 1560 transitions. [2021-11-23 01:38:51,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:38:51,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:51,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:51,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:38:51,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:54,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:54,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 365 states and 1559 transitions. [2021-11-23 01:38:54,343 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 1559 transitions. [2021-11-23 01:38:54,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:38:54,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:54,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:56,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:38:56,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:03,141 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 36 proven. 137 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 01:39:15,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:15,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 367 states and 1561 transitions. [2021-11-23 01:39:15,981 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1561 transitions. [2021-11-23 01:39:15,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:39:15,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:15,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:19,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 01:39:19,517 INFO L286 TraceCheckSpWp]: Computing forward predicates...