./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 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu --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 0.2.2-dev-6a47aea [2021-11-23 15:55:29,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:29,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:29,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:29,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:29,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:29,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:29,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:29,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:29,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:29,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:29,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:29,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:29,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:29,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:29,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:29,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:29,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:29,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:29,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:29,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:29,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:29,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:29,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:29,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:29,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:29,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:29,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:29,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:29,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:29,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:29,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:29,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:29,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:29,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:29,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:29,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:29,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:29,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:29,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:29,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:29,286 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2021-11-23 15:55:29,326 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:29,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:29,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:29,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:29,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:29,333 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:55:29,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:29,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:29,334 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:55:29,340 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:55:29,342 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:55:29,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:29,342 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:29,342 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:29,343 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:29,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:29,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:29,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:29,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:29,344 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:29,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:29,344 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_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 [2021-11-23 15:55:29,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:29,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:29,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:29,669 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:29,670 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:29,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2021-11-23 15:55:29,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu/data/bd1e6b93d/698444f113814cba9854ab369a7c08c7/FLAGe51f1ebb0 [2021-11-23 15:55:30,172 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:30,175 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2021-11-23 15:55:30,180 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu/data/bd1e6b93d/698444f113814cba9854ab369a7c08c7/FLAGe51f1ebb0 [2021-11-23 15:55:30,554 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu/data/bd1e6b93d/698444f113814cba9854ab369a7c08c7 [2021-11-23 15:55:30,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:30,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:30,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:30,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:30,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:30,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca5bfb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30, skipping insertion in model container [2021-11-23 15:55:30,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:30,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:30,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:30,816 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:30,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:30,853 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:30,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30 WrapperNode [2021-11-23 15:55:30,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:30,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:30,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:30,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:30,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,896 INFO L137 Inliner]: procedures = 7, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2021-11-23 15:55:30,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:30,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:30,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:30,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:30,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:30,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:30,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:30,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:30,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:30,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:30,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:31,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:55:31,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:31,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:55:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:31,108 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:31,109 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:31,324 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:31,337 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:55:31,338 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 15:55:31,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:31 BoogieIcfgContainer [2021-11-23 15:55:31,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:55:31,341 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:55:31,341 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:55:31,366 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:55:31,366 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:31,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:55:31,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:31,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 54 states and 58 transitions. [2021-11-23 15:55:31,467 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2021-11-23 15:55:31,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 15:55:31,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:31,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:31,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:31,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 53 states and 57 transitions. [2021-11-23 15:55:31,756 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2021-11-23 15:55:31,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 15:55:31,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:31,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:31,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:31,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:31,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 52 states and 56 transitions. [2021-11-23 15:55:31,938 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2021-11-23 15:55:31,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:55:31,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:31,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:31,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:32,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:32,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 51 states and 55 transitions. [2021-11-23 15:55:32,112 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2021-11-23 15:55:32,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:55:32,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:32,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:32,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:32,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:32,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2021-11-23 15:55:32,434 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-11-23 15:55:32,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 15:55:32,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:32,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:32,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:32,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2021-11-23 15:55:32,780 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2021-11-23 15:55:32,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 15:55:32,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:32,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:32,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:33,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:33,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2021-11-23 15:55:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2021-11-23 15:55:33,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 15:55:33,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:33,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:33,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:33,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:33,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2021-11-23 15:55:33,970 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2021-11-23 15:55:33,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 15:55:33,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:33,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:34,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:34,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:34,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2021-11-23 15:55:34,832 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2021-11-23 15:55:34,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:55:34,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:34,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:34,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:34,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:34,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 47 states and 53 transitions. [2021-11-23 15:55:34,884 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2021-11-23 15:55:34,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:55:34,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:34,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:34,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:35,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:35,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2021-11-23 15:55:35,225 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2021-11-23 15:55:35,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:55:35,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:35,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:35,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:35,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:35,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2021-11-23 15:55:35,939 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2021-11-23 15:55:35,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:55:35,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:35,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:36,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:37,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:37,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 75 transitions. [2021-11-23 15:55:37,062 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2021-11-23 15:55:37,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:55:37,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:37,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:37,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:37,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 56 states and 80 transitions. [2021-11-23 15:55:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 80 transitions. [2021-11-23 15:55:37,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:55:37,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:37,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:37,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:37,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:37,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 55 states and 79 transitions. [2021-11-23 15:55:37,744 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-11-23 15:55:37,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:55:37,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:37,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:37,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:37,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:37,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2021-11-23 15:55:37,838 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2021-11-23 15:55:37,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:55:37,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:37,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:37,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:37,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:37,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 82 transitions. [2021-11-23 15:55:37,885 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2021-11-23 15:55:37,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:55:37,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:37,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:37,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:37,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:37,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2021-11-23 15:55:37,947 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2021-11-23 15:55:37,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:55:37,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:37,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:37,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:55:38,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:38,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 88 transitions. [2021-11-23 15:55:38,480 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2021-11-23 15:55:38,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:55:38,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:38,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:38,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:55:38,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:38,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 87 transitions. [2021-11-23 15:55:38,848 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2021-11-23 15:55:38,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:55:38,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:38,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:38,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:40,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:40,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 67 states and 98 transitions. [2021-11-23 15:55:40,422 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2021-11-23 15:55:40,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:55:40,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:40,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:40,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:42,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:42,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 73 states and 110 transitions. [2021-11-23 15:55:42,047 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2021-11-23 15:55:42,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:55:42,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:42,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:42,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:42,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:42,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 72 states and 109 transitions. [2021-11-23 15:55:42,094 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2021-11-23 15:55:42,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:55:42,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:42,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:42,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:42,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:42,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 74 states and 112 transitions. [2021-11-23 15:55:42,153 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2021-11-23 15:55:42,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:55:42,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:42,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:42,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:42,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:42,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 73 states and 111 transitions. [2021-11-23 15:55:42,218 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 111 transitions. [2021-11-23 15:55:42,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:55:42,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:42,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:42,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:42,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:42,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 74 states and 116 transitions. [2021-11-23 15:55:42,313 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2021-11-23 15:55:42,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:55:42,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:42,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:42,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:44,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:44,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 79 states and 125 transitions. [2021-11-23 15:55:44,901 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2021-11-23 15:55:44,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:55:44,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:44,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:44,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:46,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:46,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 88 states and 142 transitions. [2021-11-23 15:55:46,323 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 142 transitions. [2021-11-23 15:55:46,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:55:46,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:46,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:46,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:47,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:47,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 97 states and 160 transitions. [2021-11-23 15:55:47,962 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 160 transitions. [2021-11-23 15:55:47,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:55:47,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:47,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:55:48,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:48,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 168 transitions. [2021-11-23 15:55:48,842 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 168 transitions. [2021-11-23 15:55:48,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:55:48,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:48,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:48,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:55:49,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:49,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 104 states and 174 transitions. [2021-11-23 15:55:49,836 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 174 transitions. [2021-11-23 15:55:49,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:55:49,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:49,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 15:55:50,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 105 states and 176 transitions. [2021-11-23 15:55:50,264 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 176 transitions. [2021-11-23 15:55:50,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:55:50,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:50,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:50,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 15:55:50,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:50,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 106 states and 176 transitions. [2021-11-23 15:55:50,511 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 176 transitions. [2021-11-23 15:55:50,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:55:50,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:50,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:50,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:50,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:50,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 105 states and 175 transitions. [2021-11-23 15:55:50,556 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 175 transitions. [2021-11-23 15:55:50,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:55:50,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:50,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:50,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:50,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:50,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 107 states and 178 transitions. [2021-11-23 15:55:50,659 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 178 transitions. [2021-11-23 15:55:50,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:55:50,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:50,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:50,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:50,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:50,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 106 states and 177 transitions. [2021-11-23 15:55:50,721 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2021-11-23 15:55:50,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:55:50,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:50,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:50,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:50,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:50,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 107 states and 185 transitions. [2021-11-23 15:55:50,815 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 185 transitions. [2021-11-23 15:55:50,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:55:50,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:50,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:50,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:55:51,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:51,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 110 states and 191 transitions. [2021-11-23 15:55:51,583 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 191 transitions. [2021-11-23 15:55:51,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:55:51,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:51,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:51,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:55:51,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:51,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 111 states and 193 transitions. [2021-11-23 15:55:51,960 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 193 transitions. [2021-11-23 15:55:51,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:55:51,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:51,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:51,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:52,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:52,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 116 states and 202 transitions. [2021-11-23 15:55:52,011 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 202 transitions. [2021-11-23 15:55:52,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:55:52,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:52,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:52,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:52,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 121 states and 209 transitions. [2021-11-23 15:55:52,519 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 209 transitions. [2021-11-23 15:55:52,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:55:52,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:52,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:52,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:55:52,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:52,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 122 states and 211 transitions. [2021-11-23 15:55:52,859 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 211 transitions. [2021-11-23 15:55:52,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:55:52,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:52,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:52,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:55:53,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:53,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2021-11-23 15:55:53,023 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2021-11-23 15:55:53,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:55:53,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:53,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:53,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:55:57,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:57,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 131 states and 225 transitions. [2021-11-23 15:55:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 225 transitions. [2021-11-23 15:55:57,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:55:57,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:57,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:57,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 15:55:58,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:58,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 132 states and 227 transitions. [2021-11-23 15:55:58,403 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 227 transitions. [2021-11-23 15:55:58,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:55:58,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:58,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:58,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 15:55:58,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:58,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 133 states and 227 transitions. [2021-11-23 15:55:58,740 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 227 transitions. [2021-11-23 15:55:58,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:55:58,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:58,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:58,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:55:59,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:59,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 137 states and 233 transitions. [2021-11-23 15:55:59,431 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 233 transitions. [2021-11-23 15:55:59,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:55:59,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:59,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:55:59,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:56:00,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:00,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 141 states and 238 transitions. [2021-11-23 15:56:00,029 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 238 transitions. [2021-11-23 15:56:00,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:56:00,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:00,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:56:00,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:00,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 143 states and 240 transitions. [2021-11-23 15:56:00,074 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 240 transitions. [2021-11-23 15:56:00,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:56:00,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:00,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:00,100 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:56:00,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:00,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 145 states and 242 transitions. [2021-11-23 15:56:00,133 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 242 transitions. [2021-11-23 15:56:00,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:56:00,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:00,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:01,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:05,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:05,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 156 states and 260 transitions. [2021-11-23 15:56:05,529 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 260 transitions. [2021-11-23 15:56:05,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 15:56:05,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:05,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:06,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:12,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:12,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 166 states and 278 transitions. [2021-11-23 15:56:12,535 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 278 transitions. [2021-11-23 15:56:12,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:56:12,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:12,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:17,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:17,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 171 states and 282 transitions. [2021-11-23 15:56:17,025 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 282 transitions. [2021-11-23 15:56:17,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:56:17,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:17,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:17,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 15:56:18,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:18,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 171 states and 281 transitions. [2021-11-23 15:56:18,760 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 281 transitions. [2021-11-23 15:56:18,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:56:18,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:18,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 15:56:20,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:20,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 174 states and 283 transitions. [2021-11-23 15:56:20,677 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 283 transitions. [2021-11-23 15:56:20,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:56:20,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:20,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:21,352 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:23,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:23,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 177 states and 290 transitions. [2021-11-23 15:56:23,179 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 290 transitions. [2021-11-23 15:56:23,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:56:23,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:23,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:23,222 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 15:56:24,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:24,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2021-11-23 15:56:24,031 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2021-11-23 15:56:24,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:56:24,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:24,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:24,052 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 15:56:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:24,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 179 states and 292 transitions. [2021-11-23 15:56:24,381 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 292 transitions. [2021-11-23 15:56:24,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 15:56:24,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:24,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:25,815 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:37,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:37,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 191 states and 314 transitions. [2021-11-23 15:56:37,926 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 314 transitions. [2021-11-23 15:56:37,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 15:56:37,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:37,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:41,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:41,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 195 states and 318 transitions. [2021-11-23 15:56:41,706 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 318 transitions. [2021-11-23 15:56:41,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:56:41,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:41,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:41,833 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:48,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:48,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 202 states and 332 transitions. [2021-11-23 15:56:48,407 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 332 transitions. [2021-11-23 15:56:48,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:56:48,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:48,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:48,482 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:56:49,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:49,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 204 states and 333 transitions. [2021-11-23 15:56:49,855 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 333 transitions. [2021-11-23 15:56:49,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:56:49,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:49,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:49,927 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:56:51,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:51,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 206 states and 334 transitions. [2021-11-23 15:56:51,801 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 334 transitions. [2021-11-23 15:56:51,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:56:51,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:51,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:54,204 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:58,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:58,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 209 states and 336 transitions. [2021-11-23 15:56:58,297 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 336 transitions. [2021-11-23 15:56:58,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:56:58,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:58,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:57:09,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:09,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 217 states and 352 transitions. [2021-11-23 15:57:09,057 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 352 transitions. [2021-11-23 15:57:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 15:57:09,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:09,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:09,105 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:57:16,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:16,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 224 states and 362 transitions. [2021-11-23 15:57:16,173 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 362 transitions. [2021-11-23 15:57:16,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:57:16,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:16,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:16,776 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 15:57:20,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:20,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 228 states and 366 transitions. [2021-11-23 15:57:20,250 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 366 transitions. [2021-11-23 15:57:20,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:57:20,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:20,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 15:57:24,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:24,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 232 states and 371 transitions. [2021-11-23 15:57:24,159 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 371 transitions. [2021-11-23 15:57:24,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:57:24,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:24,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:24,239 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:57:26,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:26,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 234 states and 372 transitions. [2021-11-23 15:57:26,031 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 372 transitions. [2021-11-23 15:57:26,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:57:26,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:26,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:26,103 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:57:28,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:28,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 236 states and 373 transitions. [2021-11-23 15:57:28,151 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 373 transitions. [2021-11-23 15:57:28,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 15:57:28,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:28,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:29,972 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:57:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:40,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 241 states and 379 transitions. [2021-11-23 15:57:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 379 transitions. [2021-11-23 15:57:40,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:57:40,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:40,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:42,121 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:57:45,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:45,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 243 states and 381 transitions. [2021-11-23 15:57:45,607 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 381 transitions. [2021-11-23 15:57:45,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:57:45,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:45,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:46,421 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:57:49,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:49,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 245 states and 383 transitions. [2021-11-23 15:57:49,573 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 383 transitions. [2021-11-23 15:57:49,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:57:49,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:49,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:53,311 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:06,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:06,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 249 states and 387 transitions. [2021-11-23 15:58:06,807 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 387 transitions. [2021-11-23 15:58:06,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:58:06,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:06,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:10,360 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:58:16,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:16,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 252 states and 387 transitions. [2021-11-23 15:58:16,628 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 387 transitions. [2021-11-23 15:58:16,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 15:58:16,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:16,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:17,706 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 15:58:20,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:20,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 255 states and 388 transitions. [2021-11-23 15:58:20,408 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 388 transitions. [2021-11-23 15:58:20,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 15:58:20,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:20,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:22,566 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 15:58:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:27,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 258 states and 393 transitions. [2021-11-23 15:58:27,333 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 393 transitions. [2021-11-23 15:58:27,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 15:58:27,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:27,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:31,055 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 15:58:49,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:49,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 270 states and 408 transitions. [2021-11-23 15:58:49,394 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 408 transitions. [2021-11-23 15:58:49,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 15:58:49,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:49,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:52,994 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 15:59:01,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:01,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 274 states and 411 transitions. [2021-11-23 15:59:01,151 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 411 transitions. [2021-11-23 15:59:01,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 15:59:01,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:01,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:59:01,203 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:59:06,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:06,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 279 states and 416 transitions. [2021-11-23 15:59:06,970 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 416 transitions. [2021-11-23 15:59:06,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 15:59:06,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:06,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:59:07,018 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 38 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 15:59:13,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 284 states and 422 transitions. [2021-11-23 15:59:13,642 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 422 transitions. [2021-11-23 15:59:13,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 15:59:13,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:13,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:59:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 65 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 15:59:43,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:59:43,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 287 states and 422 transitions. [2021-11-23 15:59:43,629 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 422 transitions. [2021-11-23 15:59:43,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 15:59:43,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:59:43,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:59:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:59:45,398 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 59 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 16:00:12,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:00:12,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 306 states and 443 transitions. [2021-11-23 16:00:12,080 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 443 transitions. [2021-11-23 16:00:12,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 16:00:12,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:00:12,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:00:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:00:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 24 proven. 26 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 16:00:15,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:00:15,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 306 states and 442 transitions. [2021-11-23 16:00:15,302 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 442 transitions. [2021-11-23 16:00:15,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 16:00:15,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:00:15,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:00:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:00:15,351 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 16:00:30,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:00:30,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 313 states and 449 transitions. [2021-11-23 16:00:30,788 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 449 transitions. [2021-11-23 16:00:30,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 16:00:30,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:00:30,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:00:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:00:33,415 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 94 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 16:00:43,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:00:43,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 317 states and 454 transitions. [2021-11-23 16:00:43,266 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 454 transitions. [2021-11-23 16:00:43,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 16:00:43,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:00:43,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:00:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:00:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 94 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 16:00:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:00:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 323 states and 460 transitions. [2021-11-23 16:00:55,132 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 460 transitions. [2021-11-23 16:00:55,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 16:00:55,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:00:55,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:00:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:01:07,555 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 88 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 16:03:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:03:18,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 374 states and 533 transitions. [2021-11-23 16:03:18,504 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 533 transitions. [2021-11-23 16:03:18,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 16:03:18,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:03:18,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:03:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:03:36,487 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 90 proven. 50 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 16:03:56,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:03:56,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 376 states and 534 transitions. [2021-11-23 16:03:56,855 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 534 transitions. [2021-11-23 16:03:56,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 16:03:56,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 16:03:56,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 16:03:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 16:04:03,091 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 211 proven. 54 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 16:04:52,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 16:04:52,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 69 states and 68 transitions. [2021-11-23 16:04:52,845 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 68 transitions. [2021-11-23 16:04:52,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 16:04:52,846 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 90 iterations. [2021-11-23 16:04:52,853 INFO L754 CodeCheckObserver]: All specifications hold 31 specifications checked. All of them hold [2021-11-23 16:04:58,422 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 16:04:58,429 INFO L560 CodeCheckObserver]: Invariant with dag size 98 [2021-11-23 16:04:58,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 04:04:58 ImpRootNode [2021-11-23 16:04:58,482 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 16:04:58,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 16:04:58,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 16:04:58,487 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 16:04:58,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:31" (3/4) ... [2021-11-23 16:04:58,498 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 16:04:58,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-23 16:04:58,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 16:04:58,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 16:04:58,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 16:04:58,529 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((!(unknown-#memory_int-unknown[x1][x1] == 0) && 4 + x0 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 0 == x3) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && unknown-#memory_int-unknown[x2][x2] == 0) && !(x1 == x0)) && \valid[x1] == 1) && 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(x3 == x2)) && x2 == 0) && !(unknown-#memory_int-unknown[x0][x0] == 0)) && \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) || (((((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 0 == x3) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && unknown-#memory_int-unknown[x0][x0] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(unknown-#memory_int-unknown[x2][x2] == 0)) && !(x2 == x0)) && \valid[x1] == 1) && 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && x2 == 0) && unknown-#memory_int-unknown[x1][x1] == 0) && \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int))))) || ((((((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 0 == x3) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && unknown-#memory_int-unknown[x0][x0] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && unknown-#memory_int-unknown[x2][x2] == 0) && \valid[x1] == 1) && 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(x3 == x2)) && x2 == 0) && unknown-#memory_int-unknown[x1][x1] == 0) && \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int))))) || ((((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 0 == x3) && !(x2 == x1 || unknown-#memory_int-unknown[x1][x1] == 0)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(unknown-#memory_int-unknown[x2][x2] == 0)) && !(x2 == x0)) && \valid[x1] == 1) && 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && x2 == 0) && !(x1 == x0 || unknown-#memory_int-unknown[x0][x0] == 0)) && \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int))))) || (((((((((((((4 + x0 <= unknown-#length-unknown[x0] && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 0 == x3) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && !(__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)))) && \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int))))) || (((((((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 0 == x3) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(x1 == x0)) && !(x2 == x0)) && \valid[x1] == 1) && 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(x3 == x2)) && x2 == 0) && unknown-#memory_int-unknown[x0][x0] == 0) && !(x3 == x0)) && \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) [2021-11-23 16:04:58,530 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2021-11-23 16:04:58,562 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu/witness.graphml [2021-11-23 16:04:58,562 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 16:04:58,563 INFO L158 Benchmark]: Toolchain (without parser) took 568004.71ms. Allocated memory was 107.0MB in the beginning and 4.5GB in the end (delta: 4.4GB). Free memory was 65.4MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 875.5MB. Max. memory is 16.1GB. [2021-11-23 16:04:58,564 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:04:58,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.66ms. Allocated memory is still 107.0MB. Free memory was 65.1MB in the beginning and 82.7MB in the end (delta: -17.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 16:04:58,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.49ms. Allocated memory is still 107.0MB. Free memory was 82.7MB in the beginning and 81.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:04:58,565 INFO L158 Benchmark]: Boogie Preprocessor took 45.19ms. Allocated memory is still 107.0MB. Free memory was 81.2MB in the beginning and 80.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:04:58,565 INFO L158 Benchmark]: RCFGBuilder took 396.83ms. Allocated memory is still 107.0MB. Free memory was 80.0MB in the beginning and 66.5MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 16:04:58,566 INFO L158 Benchmark]: CodeCheck took 567144.66ms. Allocated memory was 107.0MB in the beginning and 4.5GB in the end (delta: 4.4GB). Free memory was 66.5MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 877.1MB. Max. memory is 16.1GB. [2021-11-23 16:04:58,566 INFO L158 Benchmark]: Witness Printer took 76.13ms. Allocated memory is still 4.5GB. Free memory was 3.6GB in the beginning and 3.6GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:04:58,568 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: 561.4s, OverallIterations: 90, 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, 29527 SdHoareTripleChecker+Valid, 137.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27996 mSDsluCounter, 19623 SdHoareTripleChecker+Invalid, 118.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17797 mSDsCounter, 17758 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79502 IncrementalHoareTripleChecker+Invalid, 97260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17758 mSolverCounterUnsat, 1826 mSDtfsCounter, 79502 mSolverCounterSat, 1.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18489 GetRequests, 15996 SyntacticMatches, 849 SemanticMatches, 1644 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1544927 ImplicationChecksByTransitivity, 545.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 80.2s InterpolantComputationTime, 2105 NumberOfCodeBlocks, 2105 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 2016 ConstructedInterpolants, 0 QuantifiedInterpolants, 31607 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 89 InterpolantComputations, 53 PerfectInterpolantSequences, 1460/1868 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: (((((((((((((((((((((((((((!(unknown-#memory_int-unknown[x1][x1] == 0) && 4 + x0 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 0 == x3) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && unknown-#memory_int-unknown[x2][x2] == 0) && !(x1 == x0)) && \valid[x1] == 1) && 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(x3 == x2)) && x2 == 0) && !(unknown-#memory_int-unknown[x0][x0] == 0)) && \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) || (((((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 0 == x3) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && unknown-#memory_int-unknown[x0][x0] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(unknown-#memory_int-unknown[x2][x2] == 0)) && !(x2 == x0)) && \valid[x1] == 1) && 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && x2 == 0) && unknown-#memory_int-unknown[x1][x1] == 0) && \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int))))) || ((((((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 0 == x3) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && unknown-#memory_int-unknown[x0][x0] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && unknown-#memory_int-unknown[x2][x2] == 0) && \valid[x1] == 1) && 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(x3 == x2)) && x2 == 0) && unknown-#memory_int-unknown[x1][x1] == 0) && \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int))))) || ((((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 0 == x3) && !(x2 == x1 || unknown-#memory_int-unknown[x1][x1] == 0)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(unknown-#memory_int-unknown[x2][x2] == 0)) && !(x2 == x0)) && \valid[x1] == 1) && 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && x2 == 0) && !(x1 == x0 || unknown-#memory_int-unknown[x0][x0] == 0)) && \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int))))) || (((((((((((((4 + x0 <= unknown-#length-unknown[x0] && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 0 == x3) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && !(__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)))) && \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int))))) || (((((((((((((((((((((((((4 + x0 <= unknown-#length-unknown[x0] && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 0 == x3) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 4 + x3 <= unknown-#length-unknown[x3]) && 4 <= unknown-#length-unknown[x1]) && \valid[x2] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x1 == 0) && \valid[x3] == 1) && !(x1 == x0)) && !(x2 == x0)) && \valid[x1] == 1) && 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(x3 == x2)) && x2 == 0) && unknown-#memory_int-unknown[x0][x0] == 0) && !(x3 == x0)) && \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.66ms. Allocated memory is still 107.0MB. Free memory was 65.1MB in the beginning and 82.7MB in the end (delta: -17.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.49ms. Allocated memory is still 107.0MB. Free memory was 82.7MB in the beginning and 81.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.19ms. Allocated memory is still 107.0MB. Free memory was 81.2MB in the beginning and 80.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 396.83ms. Allocated memory is still 107.0MB. Free memory was 80.0MB in the beginning and 66.5MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 567144.66ms. Allocated memory was 107.0MB in the beginning and 4.5GB in the end (delta: 4.4GB). Free memory was 66.5MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 877.1MB. Max. memory is 16.1GB. * Witness Printer took 76.13ms. Allocated memory is still 4.5GB. Free memory was 3.6GB in the beginning and 3.6GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 16:04:58,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93da1221-185d-40fe-9d98-cb126d888aaf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE