./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s1lif.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_81a074b9-e8e2-4cac-ab75-d75575cf4d80/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a074b9-e8e2-4cac-ab75-d75575cf4d80/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_81a074b9-e8e2-4cac-ab75-d75575cf4d80/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a074b9-e8e2-4cac-ab75-d75575cf4d80/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s1lif.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a074b9-e8e2-4cac-ab75-d75575cf4d80/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_81a074b9-e8e2-4cac-ab75-d75575cf4d80/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 cdcd45f06ced2bb4437693c85186d4d1862b19794596dce357397727796a8cdf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:25:12,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:25:12,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:25:12,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:25:12,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:25:12,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:25:12,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:25:12,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:25:12,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:25:12,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:25:12,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:25:12,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:25:12,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:25:12,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:25:12,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:25:12,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:25:12,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:25:12,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:25:12,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:25:12,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:25:12,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:25:12,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:25:12,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:25:12,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:25:12,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:25:12,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:25:12,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:25:12,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:25:12,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:25:12,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:25:12,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:25:12,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:25:12,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:25:12,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:25:12,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:25:12,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:25:12,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:25:12,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:25:12,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:25:12,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:25:12,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:25:12,862 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a074b9-e8e2-4cac-ab75-d75575cf4d80/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:25:12,885 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:25:12,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:25:12,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:25:12,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:25:12,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:25:12,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:25:12,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:25:12,889 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:25:12,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:25:12,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:25:12,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:25:12,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:25:12,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:25:12,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:25:12,891 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:25:12,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:25:12,892 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:25:12,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:25:12,892 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:25:12,893 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:25:12,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:25:12,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:25:12,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:25:12,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:25:12,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:25:12,894 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:25:12,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:25:12,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:25:12,895 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_81a074b9-e8e2-4cac-ab75-d75575cf4d80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a074b9-e8e2-4cac-ab75-d75575cf4d80/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdcd45f06ced2bb4437693c85186d4d1862b19794596dce357397727796a8cdf [2021-11-22 23:25:13,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:25:13,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:25:13,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:25:13,163 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:25:13,164 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:25:13,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a074b9-e8e2-4cac-ab75-d75575cf4d80/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/s1lif.c [2021-11-22 23:25:13,238 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a074b9-e8e2-4cac-ab75-d75575cf4d80/bin/ukojak-LBtLqBUTdQ/data/1b00dcdda/2fcc0cf66a83447098f62dfa47b6b56c/FLAG0156dff4f [2021-11-22 23:25:13,739 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:25:13,740 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a074b9-e8e2-4cac-ab75-d75575cf4d80/sv-benchmarks/c/array-fpi/s1lif.c [2021-11-22 23:25:13,749 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a074b9-e8e2-4cac-ab75-d75575cf4d80/bin/ukojak-LBtLqBUTdQ/data/1b00dcdda/2fcc0cf66a83447098f62dfa47b6b56c/FLAG0156dff4f [2021-11-22 23:25:14,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a074b9-e8e2-4cac-ab75-d75575cf4d80/bin/ukojak-LBtLqBUTdQ/data/1b00dcdda/2fcc0cf66a83447098f62dfa47b6b56c [2021-11-22 23:25:14,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:25:14,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:25:14,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:25:14,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:25:14,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:25:14,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:25:14" (1/1) ... [2021-11-22 23:25:14,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e3d3bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:14, skipping insertion in model container [2021-11-22 23:25:14,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:25:14" (1/1) ... [2021-11-22 23:25:14,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:25:14,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:25:14,341 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_81a074b9-e8e2-4cac-ab75-d75575cf4d80/sv-benchmarks/c/array-fpi/s1lif.c[588,601] [2021-11-22 23:25:14,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:25:14,370 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:25:14,379 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_81a074b9-e8e2-4cac-ab75-d75575cf4d80/sv-benchmarks/c/array-fpi/s1lif.c[588,601] [2021-11-22 23:25:14,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:25:14,400 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:25:14,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:14 WrapperNode [2021-11-22 23:25:14,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:25:14,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:25:14,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:25:14,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:25:14,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:14" (1/1) ... [2021-11-22 23:25:14,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:14" (1/1) ... [2021-11-22 23:25:14,437 INFO L137 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2021-11-22 23:25:14,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:25:14,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:25:14,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:25:14,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:25:14,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:14" (1/1) ... [2021-11-22 23:25:14,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:14" (1/1) ... [2021-11-22 23:25:14,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:14" (1/1) ... [2021-11-22 23:25:14,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:14" (1/1) ... [2021-11-22 23:25:14,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:14" (1/1) ... [2021-11-22 23:25:14,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:14" (1/1) ... [2021-11-22 23:25:14,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:14" (1/1) ... [2021-11-22 23:25:14,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:25:14,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:25:14,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:25:14,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:25:14,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:25:14" (1/1) ... [2021-11-22 23:25:14,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:25:14,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a074b9-e8e2-4cac-ab75-d75575cf4d80/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:25:14,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a074b9-e8e2-4cac-ab75-d75575cf4d80/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:25:14,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81a074b9-e8e2-4cac-ab75-d75575cf4d80/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:25:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:25:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:25:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:25:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:25:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:25:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:25:14,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:25:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:25:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:25:14,627 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:25:14,629 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:25:14,790 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:25:14,856 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:25:14,856 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:25:14,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:25:14 BoogieIcfgContainer [2021-11-22 23:25:14,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:25:14,859 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:25:14,859 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:25:14,883 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:25:14,883 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:25:14" (1/1) ... [2021-11-22 23:25:14,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:25:14,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-22 23:25:14,989 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-22 23:25:14,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:25:14,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:15,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-22 23:25:15,342 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-22 23:25:15,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:25:15,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:25:15,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-22 23:25:15,510 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-22 23:25:15,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:25:15,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:25:15,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-22 23:25:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-22 23:25:15,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:25:15,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:17,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 21 states and 42 transitions. [2021-11-22 23:25:17,203 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 42 transitions. [2021-11-22 23:25:17,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:25:17,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,382 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:25:17,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 22 states and 42 transitions. [2021-11-22 23:25:17,866 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 42 transitions. [2021-11-22 23:25:17,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:25:17,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:25:18,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2021-11-22 23:25:18,832 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2021-11-22 23:25:18,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:18,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,899 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:25:19,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 25 states and 46 transitions. [2021-11-22 23:25:19,082 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 46 transitions. [2021-11-22 23:25:19,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:25:19,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,162 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:25:19,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2021-11-22 23:25:19,794 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2021-11-22 23:25:19,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:25:19,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,743 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:23,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 37 states and 79 transitions. [2021-11-22 23:25:23,894 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 79 transitions. [2021-11-22 23:25:23,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:25:23,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,218 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:25:24,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 58 transitions. [2021-11-22 23:25:24,745 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 58 transitions. [2021-11-22 23:25:24,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:25:24,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,971 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:25:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 63 transitions. [2021-11-22 23:25:25,987 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2021-11-22 23:25:25,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:25:25,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,132 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:25:27,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 70 transitions. [2021-11-22 23:25:27,069 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 70 transitions. [2021-11-22 23:25:27,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:25:27,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,362 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:25:29,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2021-11-22 23:25:29,494 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2021-11-22 23:25:29,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:25:29,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,328 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:35,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:35,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 46 states and 92 transitions. [2021-11-22 23:25:35,984 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 92 transitions. [2021-11-22 23:25:35,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:25:35,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:35,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:36,484 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:37,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:37,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 47 states and 95 transitions. [2021-11-22 23:25:37,024 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 95 transitions. [2021-11-22 23:25:37,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:25:37,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:37,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:37,417 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:25:40,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:40,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 107 transitions. [2021-11-22 23:25:40,042 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 107 transitions. [2021-11-22 23:25:40,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:25:40,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:40,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:40,208 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:25:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:40,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 53 states and 104 transitions. [2021-11-22 23:25:40,799 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 104 transitions. [2021-11-22 23:25:40,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:25:40,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:40,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:40,976 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:25:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 58 states and 122 transitions. [2021-11-22 23:25:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 122 transitions. [2021-11-22 23:25:43,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:25:43,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:43,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:25:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:45,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 60 states and 125 transitions. [2021-11-22 23:25:45,075 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 125 transitions. [2021-11-22 23:25:45,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:25:45,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:45,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:45,232 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:25:46,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:46,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 61 states and 128 transitions. [2021-11-22 23:25:46,037 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 128 transitions. [2021-11-22 23:25:46,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:25:46,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:46,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:46,204 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:25:46,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:46,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2021-11-22 23:25:46,804 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2021-11-22 23:25:46,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:25:46,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:46,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:51,020 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:01,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:01,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 68 states and 143 transitions. [2021-11-22 23:26:01,071 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 143 transitions. [2021-11-22 23:26:01,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:26:01,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:01,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:01,872 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:02,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:02,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 69 states and 145 transitions. [2021-11-22 23:26:02,751 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 145 transitions. [2021-11-22 23:26:02,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:26:02,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:02,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:03,520 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:04,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:04,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 70 states and 148 transitions. [2021-11-22 23:26:04,370 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 148 transitions. [2021-11-22 23:26:04,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:26:04,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:04,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:04,505 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:26:05,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:05,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 65 states and 133 transitions. [2021-11-22 23:26:05,111 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 133 transitions. [2021-11-22 23:26:05,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:26:05,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:05,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:05,803 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:26:08,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:08,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 68 states and 139 transitions. [2021-11-22 23:26:08,162 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 139 transitions. [2021-11-22 23:26:08,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:26:08,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:08,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:08,329 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:26:08,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 67 states and 135 transitions. [2021-11-22 23:26:08,945 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 135 transitions. [2021-11-22 23:26:08,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:26:08,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:08,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:09,673 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:26:14,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:14,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 72 states and 147 transitions. [2021-11-22 23:26:14,847 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 147 transitions. [2021-11-22 23:26:14,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:26:14,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:14,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:15,347 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:26:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 74 states and 153 transitions. [2021-11-22 23:26:17,004 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 153 transitions. [2021-11-22 23:26:17,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:26:17,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:17,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:17,426 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:26:19,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:19,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 77 states and 156 transitions. [2021-11-22 23:26:19,372 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 156 transitions. [2021-11-22 23:26:19,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:26:19,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:19,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:19,867 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:26:20,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:20,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 78 states and 156 transitions. [2021-11-22 23:26:20,517 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 156 transitions. [2021-11-22 23:26:20,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:26:20,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:20,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:20,932 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:26:21,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:21,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 79 states and 158 transitions. [2021-11-22 23:26:21,338 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 158 transitions. [2021-11-22 23:26:21,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:26:21,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:21,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:21,844 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:26:23,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:23,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 80 states and 161 transitions. [2021-11-22 23:26:23,047 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 161 transitions. [2021-11-22 23:26:23,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:26:23,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:23,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:23,443 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:26:23,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:23,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 74 states and 148 transitions. [2021-11-22 23:26:23,894 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 148 transitions. [2021-11-22 23:26:23,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:26:23,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:23,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:28,983 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:40,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:40,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 80 states and 163 transitions. [2021-11-22 23:26:40,550 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 163 transitions. [2021-11-22 23:26:40,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:26:40,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:40,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:43,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:43,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 83 states and 171 transitions. [2021-11-22 23:26:43,171 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 171 transitions. [2021-11-22 23:26:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:26:43,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:43,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:43,810 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:46,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:46,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 86 states and 178 transitions. [2021-11-22 23:26:46,781 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 178 transitions. [2021-11-22 23:26:46,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:26:46,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:46,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:48,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:48,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 87 states and 181 transitions. [2021-11-22 23:26:48,744 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 181 transitions. [2021-11-22 23:26:48,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:26:48,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:48,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:49,412 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:50,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 88 states and 184 transitions. [2021-11-22 23:26:50,540 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 184 transitions. [2021-11-22 23:26:50,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:26:50,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:50,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:52,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:52,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 89 states and 188 transitions. [2021-11-22 23:26:52,436 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 188 transitions. [2021-11-22 23:26:52,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:26:52,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:52,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:53,355 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:26:55,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:55,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 90 states and 189 transitions. [2021-11-22 23:26:55,048 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 189 transitions. [2021-11-22 23:26:55,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:26:55,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:55,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:26:58,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:58,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 93 states and 194 transitions. [2021-11-22 23:26:58,381 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 194 transitions. [2021-11-22 23:26:58,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:26:58,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:58,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:58,554 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:27:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:01,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 96 states and 199 transitions. [2021-11-22 23:27:01,180 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 199 transitions. [2021-11-22 23:27:01,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:27:01,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:01,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:02,485 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:27:05,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:05,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 98 states and 203 transitions. [2021-11-22 23:27:05,716 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 203 transitions. [2021-11-22 23:27:05,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:27:05,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:05,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:06,857 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:27:15,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:15,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 104 states and 219 transitions. [2021-11-22 23:27:15,108 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 219 transitions. [2021-11-22 23:27:15,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:27:15,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:15,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:16,283 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:27:18,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:18,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 107 states and 222 transitions. [2021-11-22 23:27:18,839 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 222 transitions. [2021-11-22 23:27:18,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:27:18,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:18,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:27:21,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:21,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 109 states and 230 transitions. [2021-11-22 23:27:21,817 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 230 transitions. [2021-11-22 23:27:21,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:27:21,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:21,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:22,944 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:27:25,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:25,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 112 states and 233 transitions. [2021-11-22 23:27:25,581 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 233 transitions. [2021-11-22 23:27:25,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:27:25,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:25,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:26,663 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:27:27,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:27,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 105 states and 217 transitions. [2021-11-22 23:27:27,338 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 217 transitions. [2021-11-22 23:27:27,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:27:27,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:27,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:36,774 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:59,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:59,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 114 states and 244 transitions. [2021-11-22 23:27:59,763 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 244 transitions. [2021-11-22 23:27:59,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:27:59,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:59,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:00,957 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:05,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:05,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 118 states and 253 transitions. [2021-11-22 23:28:05,908 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 253 transitions. [2021-11-22 23:28:05,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:28:05,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:05,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:07,234 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:12,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:12,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 122 states and 262 transitions. [2021-11-22 23:28:12,991 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 262 transitions. [2021-11-22 23:28:12,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:28:12,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:12,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:14,164 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:18,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:18,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 125 states and 269 transitions. [2021-11-22 23:28:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 269 transitions. [2021-11-22 23:28:18,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:28:18,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:18,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:19,325 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:20,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:20,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 126 states and 272 transitions. [2021-11-22 23:28:20,845 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 272 transitions. [2021-11-22 23:28:20,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:28:20,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:20,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:21,998 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:23,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:23,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 127 states and 273 transitions. [2021-11-22 23:28:23,748 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 273 transitions. [2021-11-22 23:28:23,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:28:23,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:23,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:26,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:26,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 128 states and 275 transitions. [2021-11-22 23:28:26,466 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 275 transitions. [2021-11-22 23:28:26,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:28:26,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:26,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:27,595 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:28,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:28,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 129 states and 277 transitions. [2021-11-22 23:28:28,988 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 277 transitions. [2021-11-22 23:28:28,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:28:28,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:28,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:30,342 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:28:35,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:35,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 132 states and 284 transitions. [2021-11-22 23:28:35,823 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 284 transitions. [2021-11-22 23:28:35,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:28:35,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:35,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:38,016 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:28:54,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 140 states and 301 transitions. [2021-11-22 23:28:54,602 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 301 transitions. [2021-11-22 23:28:54,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:28:54,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:54,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:56,103 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:28:57,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:57,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 141 states and 302 transitions. [2021-11-22 23:28:57,377 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 302 transitions. [2021-11-22 23:28:57,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:28:57,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:57,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:58,800 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:29:04,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:04,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 144 states and 314 transitions. [2021-11-22 23:29:04,056 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 314 transitions. [2021-11-22 23:29:04,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:29:04,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:04,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:05,485 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:29:06,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 145 states and 315 transitions. [2021-11-22 23:29:06,789 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 315 transitions. [2021-11-22 23:29:06,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:29:06,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:06,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:08,489 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:29:09,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:09,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 146 states and 316 transitions. [2021-11-22 23:29:09,982 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 316 transitions. [2021-11-22 23:29:09,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:29:09,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:09,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:29:12,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:12,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 147 states and 317 transitions. [2021-11-22 23:29:12,749 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 317 transitions. [2021-11-22 23:29:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:29:12,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:12,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:14,308 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:29:16,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:16,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 149 states and 319 transitions. [2021-11-22 23:29:16,589 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 319 transitions. [2021-11-22 23:29:16,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:29:16,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:16,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:18,031 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:29:20,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:20,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 151 states and 321 transitions. [2021-11-22 23:29:20,598 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 321 transitions. [2021-11-22 23:29:20,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:29:20,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:20,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:22,019 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:29:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 153 states and 323 transitions. [2021-11-22 23:29:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 323 transitions. [2021-11-22 23:29:24,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:29:24,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:24,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:37,652 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:15,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:15,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 166 states and 362 transitions. [2021-11-22 23:30:15,446 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 362 transitions. [2021-11-22 23:30:15,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:30:15,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:15,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:18,624 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:26,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:26,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 170 states and 375 transitions. [2021-11-22 23:30:26,140 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 375 transitions. [2021-11-22 23:30:26,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:30:26,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:26,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:27,628 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:30:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 169 states and 371 transitions. [2021-11-22 23:30:28,678 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 371 transitions. [2021-11-22 23:30:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:30:28,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:28,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:30,093 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:30:31,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:31,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 160 states and 351 transitions. [2021-11-22 23:30:31,649 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 351 transitions. [2021-11-22 23:30:31,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:30:31,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:31,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:34,878 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:41,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:41,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 163 states and 359 transitions. [2021-11-22 23:30:41,042 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 359 transitions. [2021-11-22 23:30:41,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:30:41,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:41,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:45,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:45,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 164 states and 360 transitions. [2021-11-22 23:30:45,318 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 360 transitions. [2021-11-22 23:30:45,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:30:45,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:45,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:50,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:50,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 165 states and 363 transitions. [2021-11-22 23:30:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 363 transitions. [2021-11-22 23:30:50,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:30:50,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:50,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:53,533 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:56,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:56,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 166 states and 365 transitions. [2021-11-22 23:30:56,032 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 365 transitions. [2021-11-22 23:30:56,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:30:56,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:56,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:58,156 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:31:10,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:10,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 172 states and 377 transitions. [2021-11-22 23:31:10,532 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 377 transitions. [2021-11-22 23:31:10,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:31:10,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:10,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:10,706 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:31:15,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:15,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 175 states and 382 transitions. [2021-11-22 23:31:15,535 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 382 transitions. [2021-11-22 23:31:15,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:31:15,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:15,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:31:21,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 178 states and 387 transitions. [2021-11-22 23:31:21,071 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 387 transitions. [2021-11-22 23:31:21,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:31:21,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:21,251 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 37 proven. 36 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:31:22,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 177 states and 382 transitions. [2021-11-22 23:31:22,970 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 382 transitions. [2021-11-22 23:31:22,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:31:22,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:22,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:26,473 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:31:42,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:42,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 186 states and 397 transitions. [2021-11-22 23:31:42,586 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 397 transitions. [2021-11-22 23:31:42,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:31:42,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:42,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:45,724 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:31:48,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:48,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 187 states and 405 transitions. [2021-11-22 23:31:48,182 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 405 transitions. [2021-11-22 23:31:48,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:31:48,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:48,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:51,339 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:31:57,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:57,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 190 states and 413 transitions. [2021-11-22 23:31:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 413 transitions. [2021-11-22 23:31:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:31:57,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:57,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:00,414 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:32:02,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:02,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 191 states and 414 transitions. [2021-11-22 23:32:02,274 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 414 transitions. [2021-11-22 23:32:02,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:32:02,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:02,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:32:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:08,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 193 states and 416 transitions. [2021-11-22 23:32:08,828 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 416 transitions. [2021-11-22 23:32:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:32:08,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:08,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:11,897 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:32:13,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:13,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 194 states and 417 transitions. [2021-11-22 23:32:13,496 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 417 transitions. [2021-11-22 23:32:13,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:32:13,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:13,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:16,620 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:32:19,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:19,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 196 states and 419 transitions. [2021-11-22 23:32:19,590 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 419 transitions. [2021-11-22 23:32:19,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:32:19,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:19,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:32:25,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:25,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 197 states and 427 transitions. [2021-11-22 23:32:25,425 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 427 transitions. [2021-11-22 23:32:25,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:32:25,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:25,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:28,500 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:32:29,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:29,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 198 states and 428 transitions. [2021-11-22 23:32:29,588 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 428 transitions. [2021-11-22 23:32:29,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:32:29,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:29,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:32,555 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:32:36,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:36,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 200 states and 430 transitions. [2021-11-22 23:32:36,010 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 430 transitions. [2021-11-22 23:32:36,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:32:36,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:36,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:58,607 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 7 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:52,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:52,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 211 states and 454 transitions. [2021-11-22 23:33:52,494 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 454 transitions. [2021-11-22 23:33:52,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:33:52,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:52,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:54,528 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 7 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:57,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:57,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 212 states and 456 transitions. [2021-11-22 23:33:57,258 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 456 transitions. [2021-11-22 23:33:57,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:33:57,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:57,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:59,301 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 7 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:02,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:02,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 213 states and 460 transitions. [2021-11-22 23:34:02,186 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 460 transitions. [2021-11-22 23:34:02,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:34:02,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:02,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:34:06,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:06,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 212 states and 456 transitions. [2021-11-22 23:34:06,612 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 456 transitions. [2021-11-22 23:34:06,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:34:06,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:06,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:09,467 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:34:11,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:11,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 202 states and 434 transitions. [2021-11-22 23:34:11,533 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 434 transitions. [2021-11-22 23:34:11,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:34:11,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:11,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:14,168 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 37 proven. 44 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:34:29,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:29,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 208 states and 447 transitions. [2021-11-22 23:34:29,826 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 447 transitions. [2021-11-22 23:34:29,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:34:29,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:29,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:29,981 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 46 proven. 45 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:34:31,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:31,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 207 states and 442 transitions. [2021-11-22 23:34:31,979 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 442 transitions. [2021-11-22 23:34:31,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:34:31,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:31,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:36,855 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:35:00,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:00,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 217 states and 459 transitions. [2021-11-22 23:35:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 459 transitions. [2021-11-22 23:35:00,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:35:00,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:00,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:04,751 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:35:11,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:11,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 220 states and 463 transitions. [2021-11-22 23:35:11,112 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 463 transitions. [2021-11-22 23:35:11,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:35:11,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:11,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:15,504 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:35:21,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:21,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 223 states and 467 transitions. [2021-11-22 23:35:21,328 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 467 transitions. [2021-11-22 23:35:21,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:35:21,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:21,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:25,702 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:35:31,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:31,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 225 states and 476 transitions. [2021-11-22 23:35:31,472 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 476 transitions. [2021-11-22 23:35:31,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:35:31,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:31,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:35,986 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:35:37,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:37,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 226 states and 477 transitions. [2021-11-22 23:35:37,930 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 477 transitions. [2021-11-22 23:35:37,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:35:37,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:37,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:35:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:48,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 229 states and 480 transitions. [2021-11-22 23:35:48,163 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 480 transitions. [2021-11-22 23:35:48,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:35:48,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:48,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:52,628 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:35:58,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:58,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 232 states and 483 transitions. [2021-11-22 23:35:58,746 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 483 transitions. [2021-11-22 23:35:58,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:35:58,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:58,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:36:02,963 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:36:09,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:36:09,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 235 states and 486 transitions. [2021-11-22 23:36:09,958 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 486 transitions. [2021-11-22 23:36:09,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:36:09,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:36:09,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:36:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:36:14,243 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:36:17,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:36:17,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 236 states and 494 transitions. [2021-11-22 23:36:17,317 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 494 transitions. [2021-11-22 23:36:17,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:36:17,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:36:17,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:36:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:36:21,625 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:36:27,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:36:27,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 239 states and 498 transitions. [2021-11-22 23:36:27,496 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 498 transitions. [2021-11-22 23:36:27,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:36:27,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:36:27,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:36:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:36:31,845 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:36:35,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:36:35,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 240 states and 506 transitions. [2021-11-22 23:36:35,504 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 506 transitions. [2021-11-22 23:36:35,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:36:35,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:36:35,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:36:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:37:08,073 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 21 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.