./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8fb996-30bf-4525-8719-7a1ced511fde/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8fb996-30bf-4525-8719-7a1ced511fde/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8fb996-30bf-4525-8719-7a1ced511fde/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8fb996-30bf-4525-8719-7a1ced511fde/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8fb996-30bf-4525-8719-7a1ced511fde/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8fb996-30bf-4525-8719-7a1ced511fde/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 60a477b5dcc7be77af17ce3cc379f1876781ed95f896fb2ca2dbb7ba91ecb849 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:40:00,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:40:00,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:40:00,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:40:00,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:40:00,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:40:00,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:40:00,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:40:00,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:40:00,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:40:00,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:40:00,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:40:00,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:40:00,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:40:00,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:40:00,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:40:00,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:40:00,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:40:00,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:40:00,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:40:00,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:40:00,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:40:00,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:40:00,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:40:00,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:40:00,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:40:00,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:40:00,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:40:00,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:40:00,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:40:00,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:40:00,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:40:00,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:40:00,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:40:00,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:40:00,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:40:00,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:40:00,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:40:00,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:40:00,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:40:00,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:40:00,275 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8fb996-30bf-4525-8719-7a1ced511fde/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 23:40:00,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:40:00,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:40:00,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:40:00,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:40:00,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:40:00,325 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:40:00,325 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:40:00,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:40:00,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:40:00,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:40:00,334 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 23:40:00,334 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 23:40:00,334 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 23:40:00,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:40:00,335 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:40:00,335 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:40:00,335 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:40:00,335 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:40:00,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:40:00,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:40:00,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:40:00,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:40:00,337 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:40:00,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:40:00,337 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_2b8fb996-30bf-4525-8719-7a1ced511fde/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8fb996-30bf-4525-8719-7a1ced511fde/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60a477b5dcc7be77af17ce3cc379f1876781ed95f896fb2ca2dbb7ba91ecb849 [2021-11-13 23:40:00,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:40:00,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:40:00,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:40:00,751 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:40:00,752 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:40:00,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8fb996-30bf-4525-8719-7a1ced511fde/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2021-11-13 23:40:00,834 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8fb996-30bf-4525-8719-7a1ced511fde/bin/ukojak-2xVlg8857e/data/6370ab0b1/8ba49f23b755485dbde94d468226e949/FLAG08e2ab040 [2021-11-13 23:40:01,513 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:40:01,514 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8fb996-30bf-4525-8719-7a1ced511fde/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2021-11-13 23:40:01,528 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8fb996-30bf-4525-8719-7a1ced511fde/bin/ukojak-2xVlg8857e/data/6370ab0b1/8ba49f23b755485dbde94d468226e949/FLAG08e2ab040 [2021-11-13 23:40:01,779 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8fb996-30bf-4525-8719-7a1ced511fde/bin/ukojak-2xVlg8857e/data/6370ab0b1/8ba49f23b755485dbde94d468226e949 [2021-11-13 23:40:01,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:40:01,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:40:01,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:40:01,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:40:01,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:40:01,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:40:01" (1/1) ... [2021-11-13 23:40:01,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9e3a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:01, skipping insertion in model container [2021-11-13 23:40:01,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:40:01" (1/1) ... [2021-11-13 23:40:01,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:40:01,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:40:02,176 WARN L228 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_2b8fb996-30bf-4525-8719-7a1ced511fde/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i[24236,24249] [2021-11-13 23:40:02,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:40:02,201 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:40:02,283 WARN L228 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_2b8fb996-30bf-4525-8719-7a1ced511fde/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i[24236,24249] [2021-11-13 23:40:02,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:40:02,336 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:40:02,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:02 WrapperNode [2021-11-13 23:40:02,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:40:02,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:40:02,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:40:02,340 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:40:02,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:02" (1/1) ... [2021-11-13 23:40:02,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:02" (1/1) ... [2021-11-13 23:40:02,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:40:02,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:40:02,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:40:02,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:40:02,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:02" (1/1) ... [2021-11-13 23:40:02,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:02" (1/1) ... [2021-11-13 23:40:02,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:02" (1/1) ... [2021-11-13 23:40:02,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:02" (1/1) ... [2021-11-13 23:40:02,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:02" (1/1) ... [2021-11-13 23:40:02,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:02" (1/1) ... [2021-11-13 23:40:02,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:02" (1/1) ... [2021-11-13 23:40:02,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:40:02,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:40:02,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:40:02,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:40:02,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:02" (1/1) ... [2021-11-13 23:40:02,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:40:02,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8fb996-30bf-4525-8719-7a1ced511fde/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:40:02,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8fb996-30bf-4525-8719-7a1ced511fde/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:40:02,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b8fb996-30bf-4525-8719-7a1ced511fde/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:40:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:40:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:40:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 23:40:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 23:40:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:40:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 23:40:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:40:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:40:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:40:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:40:03,118 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:40:03,120 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-13 23:40:03,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:40:03 BoogieIcfgContainer [2021-11-13 23:40:03,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:40:03,125 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:40:03,125 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:40:03,138 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:40:03,139 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:40:03" (1/1) ... [2021-11-13 23:40:03,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:40:03,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:03,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2021-11-13 23:40:03,257 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2021-11-13 23:40:03,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:40:03,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:03,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:03,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:03,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2021-11-13 23:40:03,557 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2021-11-13 23:40:03,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:40:03,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:03,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:03,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:03,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:03,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2021-11-13 23:40:03,806 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2021-11-13 23:40:03,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:40:03,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:03,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:03,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:03,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:03,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2021-11-13 23:40:03,981 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2021-11-13 23:40:03,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:40:03,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:03,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:04,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:04,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:04,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2021-11-13 23:40:04,064 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2021-11-13 23:40:04,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:40:04,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:04,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:04,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:04,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:04,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2021-11-13 23:40:04,263 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2021-11-13 23:40:04,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:40:04,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:04,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:04,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:04,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:04,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2021-11-13 23:40:04,383 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2021-11-13 23:40:04,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:40:04,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:04,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:04,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:04,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:04,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2021-11-13 23:40:04,688 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2021-11-13 23:40:04,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:40:04,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:04,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:04,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:05,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:05,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 43 states and 55 transitions. [2021-11-13 23:40:05,073 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2021-11-13 23:40:05,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:40:05,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:05,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:05,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:05,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:05,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2021-11-13 23:40:05,665 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2021-11-13 23:40:05,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:40:05,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:05,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:40:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:06,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 51 states and 70 transitions. [2021-11-13 23:40:06,518 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2021-11-13 23:40:06,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:40:06,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:06,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:06,576 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:40:06,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:06,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 52 states and 71 transitions. [2021-11-13 23:40:06,592 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2021-11-13 23:40:06,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:40:06,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:06,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:06,785 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:40:08,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:08,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 75 transitions. [2021-11-13 23:40:08,178 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2021-11-13 23:40:08,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:40:08,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:08,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:08,727 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:11,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:11,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 58 states and 86 transitions. [2021-11-13 23:40:11,331 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2021-11-13 23:40:11,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:40:11,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:11,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:11,658 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:40:15,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:15,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 62 states and 96 transitions. [2021-11-13 23:40:15,158 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 96 transitions. [2021-11-13 23:40:15,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:40:15,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:15,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:19,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:19,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 102 transitions. [2021-11-13 23:40:19,235 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2021-11-13 23:40:19,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:40:19,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:19,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:19,414 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:40:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:21,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 69 states and 109 transitions. [2021-11-13 23:40:21,476 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 109 transitions. [2021-11-13 23:40:21,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:40:21,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:21,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:21,620 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:40:24,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:24,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 121 transitions. [2021-11-13 23:40:24,313 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 121 transitions. [2021-11-13 23:40:24,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:40:24,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:24,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:24,363 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:40:26,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:26,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2021-11-13 23:40:26,378 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2021-11-13 23:40:26,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:40:26,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:26,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:40:26,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:26,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2021-11-13 23:40:26,759 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2021-11-13 23:40:26,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:40:26,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:26,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:40:30,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:30,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 49 states and 60 transitions. [2021-11-13 23:40:30,085 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2021-11-13 23:40:30,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:40:30,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:30,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:30,272 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 23:40:36,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:36,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2021-11-13 23:40:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2021-11-13 23:40:36,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:40:36,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:36,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:36,061 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:40:36,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:36,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2021-11-13 23:40:36,076 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2021-11-13 23:40:36,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:40:36,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:36,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:36,310 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 23:40:37,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:37,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2021-11-13 23:40:37,500 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2021-11-13 23:40:37,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:40:37,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:37,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:39,310 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:40:51,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:51,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2021-11-13 23:40:51,416 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-11-13 23:40:51,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:40:51,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:51,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:53,123 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:40:59,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:59,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 63 states and 88 transitions. [2021-11-13 23:40:59,892 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2021-11-13 23:40:59,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:40:59,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:59,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:00,244 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 23:41:08,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:41:08,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2021-11-13 23:41:08,981 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-11-13 23:41:08,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:41:08,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:41:08,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:41:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:13,233 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:41:30,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:41:30,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 72 states and 103 transitions. [2021-11-13 23:41:30,894 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 103 transitions. [2021-11-13 23:41:30,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:41:30,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:41:30,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:41:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:30,950 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:41:36,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:41:36,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 77 states and 113 transitions. [2021-11-13 23:41:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2021-11-13 23:41:36,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:41:36,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:41:36,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:41:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:36,126 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:41:41,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:41:41,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 82 states and 121 transitions. [2021-11-13 23:41:41,218 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 121 transitions. [2021-11-13 23:41:41,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:41:41,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:41:41,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:41:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:41:41,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:41:41,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 83 states and 122 transitions. [2021-11-13 23:41:41,311 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2021-11-13 23:41:41,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:41:41,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:41:41,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:41:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:42,848 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:42:06,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:06,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 91 states and 143 transitions. [2021-11-13 23:42:06,837 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 143 transitions. [2021-11-13 23:42:06,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:42:06,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:06,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:07,194 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:42:08,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 93 states and 147 transitions. [2021-11-13 23:42:08,417 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 147 transitions. [2021-11-13 23:42:08,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:42:08,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:08,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:08,874 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:42:11,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:11,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 95 states and 150 transitions. [2021-11-13 23:42:11,505 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 150 transitions. [2021-11-13 23:42:11,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:42:11,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:11,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:12,671 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 23:42:13,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:13,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 96 states and 151 transitions. [2021-11-13 23:42:13,752 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 151 transitions. [2021-11-13 23:42:13,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:42:13,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:13,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:13,983 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:42:20,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:20,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 53 states and 61 transitions. [2021-11-13 23:42:20,453 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2021-11-13 23:42:20,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:42:20,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:20,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:42:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:41,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 57 states and 65 transitions. [2021-11-13 23:42:41,711 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 65 transitions. [2021-11-13 23:42:41,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:42:41,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:41,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:41,740 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:42:51,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:51,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2021-11-13 23:42:51,058 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2021-11-13 23:42:51,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:42:51,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:51,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:51,295 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 23:42:57,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:57,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2021-11-13 23:42:57,152 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2021-11-13 23:42:57,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:42:57,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:57,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:59,161 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:43:45,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:45,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 56 states and 64 transitions. [2021-11-13 23:43:45,767 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2021-11-13 23:43:45,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:43:45,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:45,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:45,796 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 23:43:48,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:48,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 55 states and 63 transitions. [2021-11-13 23:43:48,601 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2021-11-13 23:43:48,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:43:48,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:48,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:44:21,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:21,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 60 states and 71 transitions. [2021-11-13 23:44:21,758 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2021-11-13 23:44:21,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:44:21,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:21,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:24,394 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:44:58,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:58,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 65 states and 78 transitions. [2021-11-13 23:44:58,516 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2021-11-13 23:44:58,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:44:58,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:58,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:06,918 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:46:24,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:24,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 69 states and 82 transitions. [2021-11-13 23:46:24,951 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions. [2021-11-13 23:46:24,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:46:24,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:24,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:34,964 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:48:08,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:08,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 74 states and 88 transitions. [2021-11-13 23:48:08,221 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 88 transitions. [2021-11-13 23:48:08,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:48:08,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:08,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:20,223 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 23:50:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:29,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 117 states and 145 transitions. [2021-11-13 23:50:29,472 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 145 transitions. [2021-11-13 23:50:29,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:50:29,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:29,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 23:50:44,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:44,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 122 states and 152 transitions. [2021-11-13 23:50:44,225 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 152 transitions. [2021-11-13 23:50:44,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:50:44,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:44,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:03,856 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.