./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d52e5a9-f363-4459-b619-96e42d726be4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d52e5a9-f363-4459-b619-96e42d726be4/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_6d52e5a9-f363-4459-b619-96e42d726be4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d52e5a9-f363-4459-b619-96e42d726be4/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d52e5a9-f363-4459-b619-96e42d726be4/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d52e5a9-f363-4459-b619-96e42d726be4/bin/ukojak-LBtLqBUTdQ --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 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:17:22,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:17:22,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:17:22,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:17:22,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:17:22,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:17:22,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:17:22,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:17:22,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:17:22,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:17:22,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:17:22,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:17:22,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:17:22,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:17:22,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:17:22,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:17:22,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:17:22,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:17:22,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:17:22,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:17:22,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:17:22,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:17:22,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:17:22,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:17:22,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:17:22,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:17:22,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:17:22,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:17:22,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:17:22,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:17:22,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:17:22,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:17:22,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:17:22,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:17:22,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:17:22,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:17:22,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:17:22,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:17:22,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:17:22,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:17:22,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:17:22,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d52e5a9-f363-4459-b619-96e42d726be4/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:17:22,501 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:17:22,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:17:22,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:17:22,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:17:22,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:17:22,504 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:17:22,505 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:17:22,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:17:22,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:17:22,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:17:22,513 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:17:22,513 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:17:22,513 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:17:22,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:17:22,513 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:17:22,514 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:17:22,514 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:17:22,514 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:17:22,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:17:22,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:17:22,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:17:22,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:17:22,515 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:17:22,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:17:22,516 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_6d52e5a9-f363-4459-b619-96e42d726be4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d52e5a9-f363-4459-b619-96e42d726be4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034 [2021-11-23 01:17:22,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:17:22,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:17:22,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:17:22,814 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:17:22,815 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:17:22,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d52e5a9-f363-4459-b619-96e42d726be4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2021-11-23 01:17:22,912 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d52e5a9-f363-4459-b619-96e42d726be4/bin/ukojak-LBtLqBUTdQ/data/ebffaccd0/374bacd51ebd4a7fb90687ac9d8e787a/FLAG652936c24 [2021-11-23 01:17:23,595 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:17:23,596 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d52e5a9-f363-4459-b619-96e42d726be4/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2021-11-23 01:17:23,619 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d52e5a9-f363-4459-b619-96e42d726be4/bin/ukojak-LBtLqBUTdQ/data/ebffaccd0/374bacd51ebd4a7fb90687ac9d8e787a/FLAG652936c24 [2021-11-23 01:17:23,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d52e5a9-f363-4459-b619-96e42d726be4/bin/ukojak-LBtLqBUTdQ/data/ebffaccd0/374bacd51ebd4a7fb90687ac9d8e787a [2021-11-23 01:17:23,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:17:23,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:17:23,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:17:23,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:17:23,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:17:23,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:23" (1/1) ... [2021-11-23 01:17:23,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c8ac4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:23, skipping insertion in model container [2021-11-23 01:17:23,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:23" (1/1) ... [2021-11-23 01:17:23,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:17:23,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:17:24,301 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_6d52e5a9-f363-4459-b619-96e42d726be4/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i[24556,24569] [2021-11-23 01:17:24,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:17:24,313 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:17:24,353 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_6d52e5a9-f363-4459-b619-96e42d726be4/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i[24556,24569] [2021-11-23 01:17:24,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:17:24,385 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:17:24,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:24 WrapperNode [2021-11-23 01:17:24,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:17:24,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:17:24,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:17:24,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:17:24,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:24" (1/1) ... [2021-11-23 01:17:24,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:24" (1/1) ... [2021-11-23 01:17:24,455 INFO L137 Inliner]: procedures = 126, calls = 29, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 151 [2021-11-23 01:17:24,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:17:24,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:17:24,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:17:24,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:17:24,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:24" (1/1) ... [2021-11-23 01:17:24,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:24" (1/1) ... [2021-11-23 01:17:24,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:24" (1/1) ... [2021-11-23 01:17:24,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:24" (1/1) ... [2021-11-23 01:17:24,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:24" (1/1) ... [2021-11-23 01:17:24,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:24" (1/1) ... [2021-11-23 01:17:24,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:24" (1/1) ... [2021-11-23 01:17:24,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:17:24,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:17:24,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:17:24,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:17:24,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:24" (1/1) ... [2021-11-23 01:17:24,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:17:24,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d52e5a9-f363-4459-b619-96e42d726be4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:17:24,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d52e5a9-f363-4459-b619-96e42d726be4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:17:24,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d52e5a9-f363-4459-b619-96e42d726be4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:17:24,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:17:24,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:17:24,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:17:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:17:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:17:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:17:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:17:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:17:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:17:24,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:17:24,791 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:17:24,793 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:17:25,177 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:17:25,254 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:17:25,256 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 01:17:25,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:25 BoogieIcfgContainer [2021-11-23 01:17:25,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:17:25,264 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:17:25,264 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:17:25,274 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:17:25,274 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:25" (1/1) ... [2021-11-23 01:17:25,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:17:25,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:25,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 81 states and 91 transitions. [2021-11-23 01:17:25,381 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2021-11-23 01:17:25,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:17:25,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:25,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:25,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:25,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:25,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 80 states and 90 transitions. [2021-11-23 01:17:25,615 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2021-11-23 01:17:25,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:17:25,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:25,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:25,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:25,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:25,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2021-11-23 01:17:25,859 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2021-11-23 01:17:25,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:17:25,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:25,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:25,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:25,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:25,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2021-11-23 01:17:25,909 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2021-11-23 01:17:25,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:17:25,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:25,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:25,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:26,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:26,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2021-11-23 01:17:26,007 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2021-11-23 01:17:26,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:17:26,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:26,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:26,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:26,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:26,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 76 states and 86 transitions. [2021-11-23 01:17:26,080 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2021-11-23 01:17:26,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:17:26,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:26,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:26,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:26,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 75 states and 85 transitions. [2021-11-23 01:17:26,191 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2021-11-23 01:17:26,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:17:26,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:26,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:26,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:26,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:26,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 76 states and 87 transitions. [2021-11-23 01:17:26,409 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2021-11-23 01:17:26,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:17:26,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:26,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:26,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:26,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 75 states and 86 transitions. [2021-11-23 01:17:26,455 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2021-11-23 01:17:26,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:17:26,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:26,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:26,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:26,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:26,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 74 states and 85 transitions. [2021-11-23 01:17:26,529 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2021-11-23 01:17:26,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:17:26,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:26,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:26,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:26,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 73 states and 84 transitions. [2021-11-23 01:17:26,594 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2021-11-23 01:17:26,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:17:26,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:26,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:26,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:26,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:26,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 72 states and 83 transitions. [2021-11-23 01:17:26,651 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2021-11-23 01:17:26,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:17:26,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:26,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:26,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:26,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 71 states and 82 transitions. [2021-11-23 01:17:26,718 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2021-11-23 01:17:26,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:17:26,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:26,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:26,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:26,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:26,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 70 states and 81 transitions. [2021-11-23 01:17:26,789 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2021-11-23 01:17:26,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:17:26,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:26,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:26,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:26,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:26,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 69 states and 80 transitions. [2021-11-23 01:17:26,895 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2021-11-23 01:17:26,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:17:26,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:26,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:27,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:27,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 68 states and 79 transitions. [2021-11-23 01:17:27,184 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2021-11-23 01:17:27,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:17:27,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:27,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:27,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:27,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:27,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2021-11-23 01:17:27,767 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2021-11-23 01:17:27,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:17:27,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:27,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:27,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:28,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:28,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2021-11-23 01:17:28,653 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2021-11-23 01:17:28,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:17:28,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:28,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:29,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:29,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 90 states and 112 transitions. [2021-11-23 01:17:29,823 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 112 transitions. [2021-11-23 01:17:29,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:29,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:29,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:30,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:31,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:31,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 101 states and 140 transitions. [2021-11-23 01:17:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 140 transitions. [2021-11-23 01:17:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:31,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:31,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:31,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:34,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:34,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 112 states and 171 transitions. [2021-11-23 01:17:34,450 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 171 transitions. [2021-11-23 01:17:34,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:17:34,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:34,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:34,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:35,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:35,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 116 states and 184 transitions. [2021-11-23 01:17:35,816 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 184 transitions. [2021-11-23 01:17:35,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:17:35,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:35,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:35,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:37,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:37,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 120 states and 194 transitions. [2021-11-23 01:17:37,348 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 194 transitions. [2021-11-23 01:17:37,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:17:37,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:37,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:37,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:17:37,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:37,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 123 states and 201 transitions. [2021-11-23 01:17:37,752 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 201 transitions. [2021-11-23 01:17:37,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:17:37,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:37,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:38,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:17:41,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:41,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 137 states and 236 transitions. [2021-11-23 01:17:41,960 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 236 transitions. [2021-11-23 01:17:41,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:17:41,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:41,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:41,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:17:42,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:42,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 138 states and 237 transitions. [2021-11-23 01:17:42,005 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 237 transitions. [2021-11-23 01:17:42,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:17:42,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:42,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:42,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:43,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:43,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 141 states and 246 transitions. [2021-11-23 01:17:43,745 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 246 transitions. [2021-11-23 01:17:43,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:17:43,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:43,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:44,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:51,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:51,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 155 states and 279 transitions. [2021-11-23 01:17:51,858 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 279 transitions. [2021-11-23 01:17:51,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:17:51,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:51,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:53,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:02,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:02,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 164 states and 313 transitions. [2021-11-23 01:18:02,760 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 313 transitions. [2021-11-23 01:18:02,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:18:02,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:02,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:02,942 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:06,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:06,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 172 states and 328 transitions. [2021-11-23 01:18:06,874 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 328 transitions. [2021-11-23 01:18:06,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:18:06,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:06,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:06,907 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:07,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:07,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 78 states and 111 transitions. [2021-11-23 01:18:07,891 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2021-11-23 01:18:07,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:18:07,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:07,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:08,347 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:18:10,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:10,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 81 states and 118 transitions. [2021-11-23 01:18:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 118 transitions. [2021-11-23 01:18:10,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:18:10,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:10,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:10,671 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:14,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:14,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 86 states and 128 transitions. [2021-11-23 01:18:14,248 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 128 transitions. [2021-11-23 01:18:14,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:18:14,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:14,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:18:17,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:17,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 90 states and 134 transitions. [2021-11-23 01:18:17,190 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 134 transitions. [2021-11-23 01:18:17,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:18:17,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:17,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:17,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:18:17,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:17,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 93 states and 141 transitions. [2021-11-23 01:18:17,640 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 141 transitions. [2021-11-23 01:18:17,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:18:17,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:17,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:21,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 98 states and 150 transitions. [2021-11-23 01:18:21,950 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 150 transitions. [2021-11-23 01:18:21,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:18:21,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:21,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:22,272 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:18:25,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 102 states and 156 transitions. [2021-11-23 01:18:25,904 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2021-11-23 01:18:25,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:18:25,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:25,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:26,248 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:18:27,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:27,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 105 states and 165 transitions. [2021-11-23 01:18:27,871 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 165 transitions. [2021-11-23 01:18:27,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:18:27,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:27,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:27,902 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:18:27,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:27,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 106 states and 166 transitions. [2021-11-23 01:18:27,919 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 166 transitions. [2021-11-23 01:18:27,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:18:27,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:27,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:28,198 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:18:31,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:31,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 71 states and 89 transitions. [2021-11-23 01:18:31,138 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2021-11-23 01:18:31,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:18:31,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:31,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:31,562 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:18:34,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:34,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 75 states and 99 transitions. [2021-11-23 01:18:34,280 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2021-11-23 01:18:34,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:18:34,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:34,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:34,558 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:18:35,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:35,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 76 states and 101 transitions. [2021-11-23 01:18:35,302 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2021-11-23 01:18:35,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:18:35,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:35,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:57,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:57,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 80 states and 109 transitions. [2021-11-23 01:18:57,389 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2021-11-23 01:18:57,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:18:57,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:57,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:59,856 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:11,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:11,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2021-11-23 01:19:11,169 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2021-11-23 01:19:11,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:19:11,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:11,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:16,836 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:40,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:40,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 89 states and 126 transitions. [2021-11-23 01:19:40,345 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2021-11-23 01:19:40,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:19:40,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:40,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:40,379 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:19:46,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:46,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 94 states and 134 transitions. [2021-11-23 01:19:46,263 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 134 transitions. [2021-11-23 01:19:46,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:19:46,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:46,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:46,347 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:19:52,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:52,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 99 states and 142 transitions. [2021-11-23 01:19:52,779 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 142 transitions. [2021-11-23 01:19:52,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:19:52,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:52,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:53,137 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:19:53,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:53,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 101 states and 145 transitions. [2021-11-23 01:19:53,454 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 145 transitions. [2021-11-23 01:19:53,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:19:53,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:53,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:54,030 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:20:02,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:02,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 107 states and 154 transitions. [2021-11-23 01:20:02,254 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2021-11-23 01:20:02,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:20:02,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:02,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:20:13,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:13,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 115 states and 172 transitions. [2021-11-23 01:20:13,215 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2021-11-23 01:20:13,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:20:13,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:13,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:13,253 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:20:17,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:17,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 118 states and 179 transitions. [2021-11-23 01:20:17,148 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 179 transitions. [2021-11-23 01:20:17,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:20:17,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:17,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:17,442 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:20:25,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:25,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 123 states and 190 transitions. [2021-11-23 01:20:25,074 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 190 transitions. [2021-11-23 01:20:25,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:20:25,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:25,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:29,727 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:20:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:50,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 61 states and 63 transitions. [2021-11-23 01:20:50,235 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2021-11-23 01:20:50,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:20:50,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:50,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:50,714 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:20:52,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:52,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 60 states and 62 transitions. [2021-11-23 01:20:52,295 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2021-11-23 01:20:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:20:52,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:52,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:53,408 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:21:44,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2021-11-23 01:21:44,758 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2021-11-23 01:21:44,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:21:44,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:44,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:46,155 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:21:56,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:56,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 61 states and 63 transitions. [2021-11-23 01:21:56,820 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2021-11-23 01:21:56,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:21:56,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:56,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:06,875 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:22:37,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:37,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 63 states and 67 transitions. [2021-11-23 01:22:37,782 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2021-11-23 01:22:37,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:22:37,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:37,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:22:44,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:44,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 65 states and 72 transitions. [2021-11-23 01:22:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2021-11-23 01:22:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:22:44,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:44,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:54,018 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:23:22,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:22,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 68 states and 77 transitions. [2021-11-23 01:23:22,776 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2021-11-23 01:23:22,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:23:22,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:22,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:25,713 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:24:47,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:47,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 71 states and 83 transitions. [2021-11-23 01:24:47,116 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2021-11-23 01:24:47,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:24:47,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:47,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:58,002 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:26:49,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:49,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 75 states and 90 transitions. [2021-11-23 01:26:49,364 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 90 transitions. [2021-11-23 01:26:49,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:26:49,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:49,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:49,392 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:26:56,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:56,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 79 states and 95 transitions. [2021-11-23 01:26:56,702 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 95 transitions. [2021-11-23 01:26:56,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:26:56,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:56,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:56,729 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:27:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 78 states and 94 transitions. [2021-11-23 01:27:01,316 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2021-11-23 01:27:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:27:01,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:01,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:06,351 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:27:48,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:48,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 79 states and 95 transitions. [2021-11-23 01:27:48,695 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 95 transitions. [2021-11-23 01:27:48,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:27:48,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:48,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:02,240 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.