./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_f992ad24-25b0-4056-8e68-4daebeed47d8/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f992ad24-25b0-4056-8e68-4daebeed47d8/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_f992ad24-25b0-4056-8e68-4daebeed47d8/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f992ad24-25b0-4056-8e68-4daebeed47d8/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f992ad24-25b0-4056-8e68-4daebeed47d8/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f992ad24-25b0-4056-8e68-4daebeed47d8/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 64bit --witnessprinter.graph.data.programhash 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:06:13,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:06:13,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:06:14,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:06:14,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:06:14,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:06:14,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:06:14,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:06:14,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:06:14,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:06:14,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:06:14,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:06:14,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:06:14,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:06:14,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:06:14,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:06:14,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:06:14,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:06:14,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:06:14,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:06:14,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:06:14,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:06:14,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:06:14,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:06:14,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:06:14,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:06:14,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:06:14,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:06:14,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:06:14,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:06:14,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:06:14,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:06:14,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:06:14,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:06:14,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:06:14,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:06:14,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:06:14,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:06:14,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:06:14,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:06:14,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:06:14,072 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f992ad24-25b0-4056-8e68-4daebeed47d8/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2021-11-13 21:06:14,094 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:06:14,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:06:14,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:06:14,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:06:14,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:06:14,097 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 21:06:14,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:06:14,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:06:14,098 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 21:06:14,098 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 21:06:14,098 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 21:06:14,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:06:14,099 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:06:14,099 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:06:14,100 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:06:14,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:06:14,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:06:14,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:06:14,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:06:14,101 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:06:14,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:06:14,102 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_f992ad24-25b0-4056-8e68-4daebeed47d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f992ad24-25b0-4056-8e68-4daebeed47d8/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 [2021-11-13 21:06:14,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:06:14,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:06:14,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:06:14,417 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:06:14,418 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:06:14,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f992ad24-25b0-4056-8e68-4daebeed47d8/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2021-11-13 21:06:14,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f992ad24-25b0-4056-8e68-4daebeed47d8/bin/ukojak-2xVlg8857e/data/052d94beb/9ec8e9b3e2f448aba5debdc089a9e19c/FLAGe923d1bcb [2021-11-13 21:06:14,947 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:06:14,948 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f992ad24-25b0-4056-8e68-4daebeed47d8/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2021-11-13 21:06:14,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f992ad24-25b0-4056-8e68-4daebeed47d8/bin/ukojak-2xVlg8857e/data/052d94beb/9ec8e9b3e2f448aba5debdc089a9e19c/FLAGe923d1bcb [2021-11-13 21:06:15,360 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f992ad24-25b0-4056-8e68-4daebeed47d8/bin/ukojak-2xVlg8857e/data/052d94beb/9ec8e9b3e2f448aba5debdc089a9e19c [2021-11-13 21:06:15,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:06:15,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:06:15,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:06:15,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:06:15,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:06:15,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:06:15" (1/1) ... [2021-11-13 21:06:15,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bda3890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:15, skipping insertion in model container [2021-11-13 21:06:15,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:06:15" (1/1) ... [2021-11-13 21:06:15,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:06:15,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:06:15,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:06:15,599 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:06:15,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:06:15,639 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:06:15,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:15 WrapperNode [2021-11-13 21:06:15,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:06:15,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:06:15,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:06:15,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:06:15,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:15" (1/1) ... [2021-11-13 21:06:15,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:15" (1/1) ... [2021-11-13 21:06:15,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:06:15,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:06:15,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:06:15,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:06:15,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:15" (1/1) ... [2021-11-13 21:06:15,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:15" (1/1) ... [2021-11-13 21:06:15,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:15" (1/1) ... [2021-11-13 21:06:15,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:15" (1/1) ... [2021-11-13 21:06:15,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:15" (1/1) ... [2021-11-13 21:06:15,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:15" (1/1) ... [2021-11-13 21:06:15,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:15" (1/1) ... [2021-11-13 21:06:15,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:06:15,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:06:15,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:06:15,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:06:15,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:15" (1/1) ... [2021-11-13 21:06:15,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:06:15,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f992ad24-25b0-4056-8e68-4daebeed47d8/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:06:15,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f992ad24-25b0-4056-8e68-4daebeed47d8/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:06:15,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f992ad24-25b0-4056-8e68-4daebeed47d8/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:06:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 21:06:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:06:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:06:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 21:06:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:06:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 21:06:16,144 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:06:16,152 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 21:06:16,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:06:16 BoogieIcfgContainer [2021-11-13 21:06:16,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:06:16,156 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:06:16,156 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:06:16,164 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:06:16,164 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:06:16" (1/1) ... [2021-11-13 21:06:16,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:06:16,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 54 states and 58 transitions. [2021-11-13 21:06:16,243 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2021-11-13 21:06:16,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-13 21:06:16,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:16,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:16,444 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 21:06:16,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:16,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 53 states and 57 transitions. [2021-11-13 21:06:16,475 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2021-11-13 21:06:16,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-13 21:06:16,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:16,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:16,543 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 21:06:16,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:16,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 52 states and 56 transitions. [2021-11-13 21:06:16,687 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2021-11-13 21:06:16,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 21:06:16,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:16,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:16,741 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 21:06:16,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:16,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 51 states and 55 transitions. [2021-11-13 21:06:16,882 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2021-11-13 21:06:16,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 21:06:16,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:16,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:16,970 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 21:06:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:17,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2021-11-13 21:06:17,237 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-11-13 21:06:17,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 21:06:17,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:17,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:17,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2021-11-13 21:06:17,635 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2021-11-13 21:06:17,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 21:06:17,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:17,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:17,755 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 21:06:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:18,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2021-11-13 21:06:18,203 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2021-11-13 21:06:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 21:06:18,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:18,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:18,275 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 21:06:18,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:18,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2021-11-13 21:06:18,753 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2021-11-13 21:06:18,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 21:06:18,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:18,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:18,847 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 21:06:19,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:19,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2021-11-13 21:06:19,536 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2021-11-13 21:06:19,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 21:06:19,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:19,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:19,569 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 21:06:19,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:19,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 47 states and 53 transitions. [2021-11-13 21:06:19,589 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2021-11-13 21:06:19,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 21:06:19,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:19,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:19,706 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 21:06:19,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:19,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2021-11-13 21:06:19,930 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2021-11-13 21:06:19,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 21:06:19,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:19,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:19,953 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 21:06:20,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:20,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2021-11-13 21:06:20,555 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2021-11-13 21:06:20,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 21:06:20,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:20,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:20,651 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 21:06:21,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:21,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 75 transitions. [2021-11-13 21:06:21,725 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2021-11-13 21:06:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:06:21,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:21,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:21,819 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 21:06:22,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:22,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 56 states and 80 transitions. [2021-11-13 21:06:22,316 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 80 transitions. [2021-11-13 21:06:22,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:06:22,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:22,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:22,342 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 21:06:22,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:22,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 55 states and 79 transitions. [2021-11-13 21:06:22,364 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-11-13 21:06:22,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:06:22,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:22,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:22,408 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 21:06:22,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:22,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2021-11-13 21:06:22,458 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2021-11-13 21:06:22,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:06:22,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:22,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:22,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:22,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:22,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 82 transitions. [2021-11-13 21:06:22,508 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2021-11-13 21:06:22,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:06:22,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:22,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:22,555 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 21:06:22,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:22,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2021-11-13 21:06:22,568 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2021-11-13 21:06:22,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:06:22,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:22,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:22,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:06:22,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:22,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 82 transitions. [2021-11-13 21:06:22,983 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2021-11-13 21:06:22,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:06:22,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:22,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:06:23,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:23,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 61 states and 86 transitions. [2021-11-13 21:06:23,359 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 86 transitions. [2021-11-13 21:06:23,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:06:23,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:23,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:23,375 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 21:06:24,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:24,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 67 states and 97 transitions. [2021-11-13 21:06:24,709 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 97 transitions. [2021-11-13 21:06:24,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:06:24,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:24,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:24,854 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 21:06:26,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:26,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 73 states and 109 transitions. [2021-11-13 21:06:26,715 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 109 transitions. [2021-11-13 21:06:26,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 21:06:26,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:26,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:26,730 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 21:06:26,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:26,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 72 states and 108 transitions. [2021-11-13 21:06:26,742 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 108 transitions. [2021-11-13 21:06:26,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 21:06:26,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:26,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:26,769 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 21:06:26,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:26,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 74 states and 111 transitions. [2021-11-13 21:06:26,789 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2021-11-13 21:06:26,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 21:06:26,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:26,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:26,813 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 21:06:26,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:26,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 73 states and 110 transitions. [2021-11-13 21:06:26,831 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2021-11-13 21:06:26,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 21:06:26,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:26,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:26,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:26,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:26,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 74 states and 115 transitions. [2021-11-13 21:06:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 115 transitions. [2021-11-13 21:06:26,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:06:26,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:26,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:27,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:29,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:29,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 79 states and 124 transitions. [2021-11-13 21:06:29,577 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2021-11-13 21:06:29,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:06:29,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:29,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:29,592 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 21:06:31,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:31,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 88 states and 141 transitions. [2021-11-13 21:06:31,141 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 141 transitions. [2021-11-13 21:06:31,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:06:31,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:31,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:31,320 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 21:06:33,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:33,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 97 states and 159 transitions. [2021-11-13 21:06:33,616 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 159 transitions. [2021-11-13 21:06:33,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:06:33,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:33,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:33,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:06:34,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:34,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 100 states and 165 transitions. [2021-11-13 21:06:34,495 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 165 transitions. [2021-11-13 21:06:34,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:06:34,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:34,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:34,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:06:35,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:35,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 104 states and 172 transitions. [2021-11-13 21:06:35,624 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 172 transitions. [2021-11-13 21:06:35,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:06:35,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:35,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:35,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:06:36,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:36,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 105 states and 172 transitions. [2021-11-13 21:06:36,002 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 172 transitions. [2021-11-13 21:06:36,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:06:36,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:36,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:36,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:06:36,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:36,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 106 states and 172 transitions. [2021-11-13 21:06:36,255 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 172 transitions. [2021-11-13 21:06:36,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:06:36,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:36,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:36,281 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 21:06:36,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:36,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 105 states and 171 transitions. [2021-11-13 21:06:36,295 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 171 transitions. [2021-11-13 21:06:36,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:06:36,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:36,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:36,318 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 21:06:36,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:36,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 107 states and 174 transitions. [2021-11-13 21:06:36,340 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 174 transitions. [2021-11-13 21:06:36,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:06:36,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:36,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:36,367 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 21:06:36,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:36,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 106 states and 173 transitions. [2021-11-13 21:06:36,394 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 173 transitions. [2021-11-13 21:06:36,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:06:36,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:36,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:36,418 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 21:06:36,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:36,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 107 states and 181 transitions. [2021-11-13 21:06:36,458 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 181 transitions. [2021-11-13 21:06:36,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:06:36,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:36,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:36,479 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:06:37,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:37,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 110 states and 187 transitions. [2021-11-13 21:06:37,192 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 187 transitions. [2021-11-13 21:06:37,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:06:37,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:37,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:06:37,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:37,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 111 states and 189 transitions. [2021-11-13 21:06:37,597 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 189 transitions. [2021-11-13 21:06:37,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:06:37,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:37,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:37,614 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 21:06:37,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:37,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2021-11-13 21:06:37,933 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2021-11-13 21:06:37,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:06:37,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:37,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:37,953 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 21:06:38,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:38,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 121 states and 204 transitions. [2021-11-13 21:06:38,290 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 204 transitions. [2021-11-13 21:06:38,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:06:38,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:38,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:38,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:06:38,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:38,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 122 states and 206 transitions. [2021-11-13 21:06:38,607 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 206 transitions. [2021-11-13 21:06:38,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:06:38,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:38,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:38,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:06:38,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:38,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 123 states and 206 transitions. [2021-11-13 21:06:38,755 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 206 transitions. [2021-11-13 21:06:38,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:06:38,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:38,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:39,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:44,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:44,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 220 transitions. [2021-11-13 21:06:44,220 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 220 transitions. [2021-11-13 21:06:44,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:06:44,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:44,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:44,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:06:44,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:44,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 132 states and 220 transitions. [2021-11-13 21:06:44,261 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 220 transitions. [2021-11-13 21:06:44,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:06:44,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:44,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:44,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:06:44,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:44,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 133 states and 220 transitions. [2021-11-13 21:06:44,317 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 220 transitions. [2021-11-13 21:06:44,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:06:44,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:44,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:44,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:06:44,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:44,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 137 states and 226 transitions. [2021-11-13 21:06:44,720 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 226 transitions. [2021-11-13 21:06:44,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:06:44,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:44,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:44,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:06:45,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:45,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 140 states and 230 transitions. [2021-11-13 21:06:45,108 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 230 transitions. [2021-11-13 21:06:45,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 21:06:45,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:45,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:45,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:06:45,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:45,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 142 states and 233 transitions. [2021-11-13 21:06:45,519 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 233 transitions. [2021-11-13 21:06:45,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 21:06:45,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:45,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:45,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:06:45,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:45,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 144 states and 235 transitions. [2021-11-13 21:06:45,709 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 235 transitions. [2021-11-13 21:06:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 21:06:45,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:45,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:47,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:52,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:52,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 148 states and 240 transitions. [2021-11-13 21:06:52,406 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 240 transitions. [2021-11-13 21:06:52,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:06:52,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:52,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:53,792 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:56,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:56,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 153 states and 245 transitions. [2021-11-13 21:06:56,974 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 245 transitions. [2021-11-13 21:06:56,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:06:56,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:56,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:58,836 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:07:10,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:10,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 165 states and 261 transitions. [2021-11-13 21:07:10,729 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 261 transitions. [2021-11-13 21:07:10,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 21:07:10,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:10,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:10,752 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:07:11,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:11,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 166 states and 264 transitions. [2021-11-13 21:07:11,563 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 264 transitions. [2021-11-13 21:07:11,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 21:07:11,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:11,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:11,583 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:07:11,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:11,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 167 states and 265 transitions. [2021-11-13 21:07:11,927 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 265 transitions. [2021-11-13 21:07:11,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 21:07:11,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:11,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:12,743 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:07:15,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:15,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 170 states and 268 transitions. [2021-11-13 21:07:15,227 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 268 transitions. [2021-11-13 21:07:15,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 21:07:15,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:15,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:16,297 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:07:19,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:19,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 173 states and 271 transitions. [2021-11-13 21:07:19,617 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 271 transitions. [2021-11-13 21:07:19,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 21:07:19,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:19,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:23,362 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:07:53,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:53,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 202 states and 317 transitions. [2021-11-13 21:07:53,652 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 317 transitions. [2021-11-13 21:07:53,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 21:07:53,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:53,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:00,374 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:08:38,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:38,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 230 states and 355 transitions. [2021-11-13 21:08:38,474 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 355 transitions. [2021-11-13 21:08:38,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 21:08:38,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:38,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:38,493 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-13 21:08:41,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:41,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 230 states and 354 transitions. [2021-11-13 21:08:41,936 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 354 transitions. [2021-11-13 21:08:41,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 21:08:41,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:41,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-13 21:08:45,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:45,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 233 states and 356 transitions. [2021-11-13 21:08:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 356 transitions. [2021-11-13 21:08:45,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 21:08:45,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:45,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:46,731 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 36 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 21:08:50,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:50,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 235 states and 358 transitions. [2021-11-13 21:08:50,593 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 358 transitions. [2021-11-13 21:08:50,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 21:08:50,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:50,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:50,649 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 21:08:55,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:55,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 239 states and 362 transitions. [2021-11-13 21:08:55,602 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 362 transitions. [2021-11-13 21:08:55,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 21:08:55,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:55,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:57,777 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:09:16,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:16,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 244 states and 369 transitions. [2021-11-13 21:09:16,126 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 369 transitions. [2021-11-13 21:09:16,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 21:09:16,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:16,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:19,293 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 38 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:09:26,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:26,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 247 states and 371 transitions. [2021-11-13 21:09:26,231 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 371 transitions. [2021-11-13 21:09:26,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 21:09:26,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:26,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:09:30,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:30,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 249 states and 372 transitions. [2021-11-13 21:09:30,387 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 372 transitions. [2021-11-13 21:09:30,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 21:09:30,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:30,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 21:09:55,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:55,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 256 states and 380 transitions. [2021-11-13 21:09:55,809 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 380 transitions. [2021-11-13 21:09:55,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 21:09:55,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:55,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:55,882 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 41 proven. 12 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-13 21:09:59,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:59,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 258 states and 381 transitions. [2021-11-13 21:09:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 381 transitions. [2021-11-13 21:09:59,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 21:09:59,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:59,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:04,203 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 56 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-13 21:10:14,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:14,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 263 states and 385 transitions. [2021-11-13 21:10:14,137 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 385 transitions. [2021-11-13 21:10:14,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 21:10:14,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:14,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:14,179 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 21:10:21,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:21,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 268 states and 390 transitions. [2021-11-13 21:10:21,751 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 390 transitions. [2021-11-13 21:10:21,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 21:10:21,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:21,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:21,795 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 21:10:26,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:26,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 270 states and 391 transitions. [2021-11-13 21:10:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 391 transitions. [2021-11-13 21:10:26,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 21:10:26,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:26,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:26,242 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 21:10:29,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:29,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 272 states and 392 transitions. [2021-11-13 21:10:29,362 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 392 transitions. [2021-11-13 21:10:29,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 21:10:29,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:29,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:33,835 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 91 proven. 13 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-13 21:10:48,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:48,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 272 states and 390 transitions. [2021-11-13 21:10:48,571 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 390 transitions. [2021-11-13 21:10:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 21:10:48,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:48,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:00,170 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 86 proven. 54 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 21:13:18,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:18,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 330 states and 467 transitions. [2021-11-13 21:13:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 467 transitions. [2021-11-13 21:13:18,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 21:13:18,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:18,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:18,607 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 116 proven. 30 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-13 21:13:35,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:35,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 69 states and 70 transitions. [2021-11-13 21:13:35,939 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2021-11-13 21:13:35,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 21:13:35,939 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 75 iterations. [2021-11-13 21:13:35,949 INFO L754 CodeCheckObserver]: All specifications hold 31 specifications checked. All of them hold [2021-11-13 21:13:41,646 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-13 21:13:41,654 INFO L560 CodeCheckObserver]: Invariant with dag size 99 [2021-11-13 21:13:41,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:13:41 ImpRootNode [2021-11-13 21:13:41,687 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 21:13:41,688 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 21:13:41,688 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 21:13:41,688 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 21:13:41,689 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:06:16" (3/4) ... [2021-11-13 21:13:41,692 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 21:13:41,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-13 21:13:41,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 21:13:41,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 21:13:41,704 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 21:13:41,728 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((4 + x0 <= unknown-#length-unknown[x0] && 0 == x3) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && \valid[x3] == 1) && !(unknown-#memory_int-unknown[x3][x3] == 0)) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) || (((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && !(__builtin_alloca(sizeof(int)) == x2)) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 + x2 <= unknown-#length-unknown[x2]) && x2 == __builtin_alloca(sizeof(int))) && 4 + x1 <= unknown-#length-unknown[x1]) && ((__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)) && x2 == x0) || \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0])) && \valid[x2] == 1) && unknown-#memory_int-unknown[x0][x0] == 1) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(x1 == x0)) && \valid[x1] == 1) && unknown-#memory_int-unknown[x3][x2] == 0) && x0 == 0) && !(x3 == x2)) && x2 == 0) && x2 == x3) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int))))) || ((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && 0 == x3) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(unknown-#memory_int-unknown[x0 := unknown-#memory_int-unknown[x0][x0 := 0]][x2][x2] == 0)) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 + x2 <= unknown-#length-unknown[x2]) && x2 == __builtin_alloca(sizeof(int))) && 4 + x1 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(x1 == x0)) && \valid[x1] == 1) && x0 == 0) && x2 == 0) && !(unknown-#memory_int-unknown[x0][x0] == 0)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int))))) || (((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 + x2 <= unknown-#length-unknown[x2]) && x2 == __builtin_alloca(sizeof(int))) && 4 + x1 <= unknown-#length-unknown[x1]) && ((__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)) && x2 == x0) || \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0])) && \valid[x2] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(x1 == x0)) && \valid[x1] == 1) && x0 == 0) && !(x3 == x2)) && x2 == 0) && !(unknown-#memory_int-unknown[x0][x0] == 0)) && unknown-#memory_int-unknown[x3][x3] == 0) && !(unknown-#memory_int-unknown[x0 := unknown-#memory_int-unknown[x0][x0 := 1]][x1][x1] == 0)) && x2 == x3) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int))))) || ((((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 + x2 <= unknown-#length-unknown[x2]) && x2 == __builtin_alloca(sizeof(int))) && 4 + x1 <= unknown-#length-unknown[x1]) && ((__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)) && x2 == x0) || \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0])) && \valid[x2] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(x1 == x0)) && \valid[x1] == 1) && x0 == 0) && !(x3 == x2)) && x2 == 0) && unknown-#memory_int-unknown[x0][x0] == 0) && !(x3 == x0)) && unknown-#memory_int-unknown[x3][x3] == 0) && x2 == x3) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) [2021-11-13 21:13:41,729 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2021-11-13 21:13:41,753 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f992ad24-25b0-4056-8e68-4daebeed47d8/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 21:13:41,753 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 21:13:41,754 INFO L158 Benchmark]: Toolchain (without parser) took 446390.04ms. Allocated memory was 138.4MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 105.2MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 239.8MB. Max. memory is 16.1GB. [2021-11-13 21:13:41,755 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 21:13:41,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.67ms. Allocated memory is still 138.4MB. Free memory was 105.2MB in the beginning and 116.4MB in the end (delta: -11.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-11-13 21:13:41,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.15ms. Allocated memory is still 138.4MB. Free memory was 116.4MB in the beginning and 114.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 21:13:41,757 INFO L158 Benchmark]: Boogie Preprocessor took 37.88ms. Allocated memory is still 138.4MB. Free memory was 114.9MB in the beginning and 113.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 21:13:41,757 INFO L158 Benchmark]: RCFGBuilder took 430.07ms. Allocated memory is still 138.4MB. Free memory was 113.8MB in the beginning and 100.2MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 21:13:41,758 INFO L158 Benchmark]: CodeCheck took 445531.10ms. Allocated memory was 138.4MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 100.2MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 849.0MB. Max. memory is 16.1GB. [2021-11-13 21:13:41,759 INFO L158 Benchmark]: Witness Printer took 65.75ms. Allocated memory is still 2.7GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 21:13:41,762 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 54 locations, 31 error locations. Started 1 CEGAR loops. OverallTime: 439.8s, OverallIterations: 75, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20935 SdHoareTripleChecker+Valid, 99161.55ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19726 mSDsluCounter, 12453 SdHoareTripleChecker+Invalid, 86482.15ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11017 mSDsCounter, 11406 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56567 IncrementalHoareTripleChecker+Invalid, 67973 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11406 mSolverCounterUnsat, 1436 mSDtfsCounter, 56567 mSolverCounterSat, 1067.14ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15027 GetRequests, 13092 SyntacticMatches, 567 SemanticMatches, 1368 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1079361 ImplicationChecksByTransitivity, 428.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 50.5s InterpolantComputationTime, 1692 NumberOfCodeBlocks, 1692 NumberOfCodeBlocksAsserted, 74 NumberOfCheckSat, 1618 ConstructedInterpolants, 0 QuantifiedInterpolants, 21362 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 74 InterpolantComputations, 52 PerfectInterpolantSequences, 1260/1603 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 11]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 11]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 21]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 21]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 23]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 23]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 24]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 24]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 25]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 25]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 27]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 27]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 28]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 28]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 6]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: (((((((((((((4 + x0 <= unknown-#length-unknown[x0] && 0 == x3) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && \valid[x3] == 1) && !(unknown-#memory_int-unknown[x3][x3] == 0)) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) || (((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && !(__builtin_alloca(sizeof(int)) == x2)) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 + x2 <= unknown-#length-unknown[x2]) && x2 == __builtin_alloca(sizeof(int))) && 4 + x1 <= unknown-#length-unknown[x1]) && ((__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)) && x2 == x0) || \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0])) && \valid[x2] == 1) && unknown-#memory_int-unknown[x0][x0] == 1) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(x1 == x0)) && \valid[x1] == 1) && unknown-#memory_int-unknown[x3][x2] == 0) && x0 == 0) && !(x3 == x2)) && x2 == 0) && x2 == x3) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int))))) || ((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && 0 == x3) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(unknown-#memory_int-unknown[x0 := unknown-#memory_int-unknown[x0][x0 := 0]][x2][x2] == 0)) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 + x2 <= unknown-#length-unknown[x2]) && x2 == __builtin_alloca(sizeof(int))) && 4 + x1 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(x1 == x0)) && \valid[x1] == 1) && x0 == 0) && x2 == 0) && !(unknown-#memory_int-unknown[x0][x0] == 0)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int))))) || (((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 + x2 <= unknown-#length-unknown[x2]) && x2 == __builtin_alloca(sizeof(int))) && 4 + x1 <= unknown-#length-unknown[x1]) && ((__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)) && x2 == x0) || \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0])) && \valid[x2] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(x1 == x0)) && \valid[x1] == 1) && x0 == 0) && !(x3 == x2)) && x2 == 0) && !(unknown-#memory_int-unknown[x0][x0] == 0)) && unknown-#memory_int-unknown[x3][x3] == 0) && !(unknown-#memory_int-unknown[x0 := unknown-#memory_int-unknown[x0][x0 := 1]][x1][x1] == 0)) && x2 == x3) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int))))) || ((((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 + x2 <= unknown-#length-unknown[x2]) && x2 == __builtin_alloca(sizeof(int))) && 4 + x1 <= unknown-#length-unknown[x1]) && ((__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)) && x2 == x0) || \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0])) && \valid[x2] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(x1 == x0)) && \valid[x1] == 1) && x0 == 0) && !(x3 == x2)) && x2 == 0) && unknown-#memory_int-unknown[x0][x0] == 0) && !(x3 == x0)) && unknown-#memory_int-unknown[x3][x3] == 0) && x2 == x3) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.67ms. Allocated memory is still 138.4MB. Free memory was 105.2MB in the beginning and 116.4MB in the end (delta: -11.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.15ms. Allocated memory is still 138.4MB. Free memory was 116.4MB in the beginning and 114.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.88ms. Allocated memory is still 138.4MB. Free memory was 114.9MB in the beginning and 113.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 430.07ms. Allocated memory is still 138.4MB. Free memory was 113.8MB in the beginning and 100.2MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 445531.10ms. Allocated memory was 138.4MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 100.2MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 849.0MB. Max. memory is 16.1GB. * Witness Printer took 65.75ms. Allocated memory is still 2.7GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-13 21:13:41,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f992ad24-25b0-4056-8e68-4daebeed47d8/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE