./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/getNumbers2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/getNumbers2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cf0bb070a6f67963fcaf42c16427fd9b591ad6ca597a21a650e9cf23fa51a6dd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:24:41,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:24:41,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:24:41,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:24:41,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:24:41,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:24:41,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:24:41,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:24:41,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:24:41,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:24:41,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:24:41,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:24:41,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:24:41,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:24:41,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:24:41,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:24:41,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:24:41,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:24:41,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:24:41,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:24:41,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:24:41,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:24:41,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:24:41,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:24:41,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:24:41,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:24:41,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:24:41,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:24:41,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:24:41,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:24:41,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:24:41,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:24:41,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:24:41,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:24:41,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:24:41,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:24:41,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:24:41,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:24:41,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:24:41,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:24:41,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:24:41,410 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-22 23:24:41,433 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:24:41,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:24:41,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:24:41,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:24:41,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:24:41,436 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:24:41,437 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:24:41,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:24:41,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:24:41,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:24:41,438 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 23:24:41,439 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 23:24:41,439 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 23:24:41,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:24:41,440 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:24:41,440 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:24:41,441 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:24:41,441 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:24:41,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:24:41,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:41,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:24:41,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:24:41,443 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:24:41,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:24:41,444 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_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf0bb070a6f67963fcaf42c16427fd9b591ad6ca597a21a650e9cf23fa51a6dd [2021-11-22 23:24:41,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:24:41,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:24:41,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:24:41,686 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:24:41,686 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:24:41,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/memsafety-ext3/getNumbers2.c [2021-11-22 23:24:41,751 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ/data/d0d09a3f1/e2860703ff344404838303e40875b69c/FLAG04ca8f167 [2021-11-22 23:24:42,180 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:24:42,181 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/sv-benchmarks/c/memsafety-ext3/getNumbers2.c [2021-11-22 23:24:42,191 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ/data/d0d09a3f1/e2860703ff344404838303e40875b69c/FLAG04ca8f167 [2021-11-22 23:24:42,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ/data/d0d09a3f1/e2860703ff344404838303e40875b69c [2021-11-22 23:24:42,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:24:42,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:24:42,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:42,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:24:42,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:24:42,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8585d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42, skipping insertion in model container [2021-11-22 23:24:42,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:24:42,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:24:42,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:42,807 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:24:42,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:42,836 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:24:42,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42 WrapperNode [2021-11-22 23:24:42,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:42,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:42,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:24:42,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:24:42,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,881 INFO L137 Inliner]: procedures = 10, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2021-11-22 23:24:42,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:42,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:24:42,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:24:42,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:24:42,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:24:42,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:24:42,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:24:42,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:24:42,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:42,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:24:42,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:24:42,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:24:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:24:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:24:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:24:43,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:24:43,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:24:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:24:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:24:43,090 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:24:43,092 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:24:43,256 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:24:43,310 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:24:43,310 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:24:43,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:43 BoogieIcfgContainer [2021-11-22 23:24:43,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:24:43,316 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:24:43,321 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:24:43,331 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:24:43,331 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:24:43,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:43,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2021-11-22 23:24:43,409 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-11-22 23:24:43,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:24:43,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:43,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:43,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:43,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2021-11-22 23:24:43,661 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2021-11-22 23:24:43,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-22 23:24:43,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:43,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:43,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:43,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:43,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2021-11-22 23:24:43,912 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-11-22 23:24:43,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:24:43,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:43,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:44,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2021-11-22 23:24:44,422 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-11-22 23:24:44,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:24:44,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:44,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2021-11-22 23:24:44,703 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-11-22 23:24:44,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:24:44,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:24:44,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2021-11-22 23:24:44,814 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-11-22 23:24:44,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:24:44,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:45,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2021-11-22 23:24:45,163 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-11-22 23:24:45,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:24:45,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,240 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:45,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2021-11-22 23:24:45,525 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2021-11-22 23:24:45,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:45,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,587 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:45,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2021-11-22 23:24:45,894 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2021-11-22 23:24:45,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:24:45,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,983 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:46,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2021-11-22 23:24:46,304 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2021-11-22 23:24:46,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:24:46,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:46,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2021-11-22 23:24:46,742 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2021-11-22 23:24:46,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:24:46,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,818 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:47,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2021-11-22 23:24:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2021-11-22 23:24:47,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:24:47,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,262 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:47,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2021-11-22 23:24:47,625 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2021-11-22 23:24:47,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:24:47,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,703 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:48,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2021-11-22 23:24:48,038 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2021-11-22 23:24:48,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:24:48,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,217 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:24:51,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 38 states and 41 transitions. [2021-11-22 23:24:51,190 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2021-11-22 23:24:51,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:24:51,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,382 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:24:51,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 40 states and 43 transitions. [2021-11-22 23:24:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2021-11-22 23:24:51,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:24:51,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,924 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:24:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2021-11-22 23:24:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2021-11-22 23:24:52,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:24:52,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,421 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:24:53,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 44 states and 49 transitions. [2021-11-22 23:24:53,180 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2021-11-22 23:24:53,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:24:53,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,304 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:24:53,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 45 states and 51 transitions. [2021-11-22 23:24:53,499 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2021-11-22 23:24:53,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:24:53,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,687 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:24:54,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2021-11-22 23:24:54,455 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2021-11-22 23:24:54,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:24:54,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:24:54,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2021-11-22 23:24:54,979 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2021-11-22 23:24:54,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:24:54,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,002 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:24:55,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 50 states and 58 transitions. [2021-11-22 23:24:55,340 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2021-11-22 23:24:55,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:24:55,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,512 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:24:56,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2021-11-22 23:24:56,416 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2021-11-22 23:24:56,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:24:56,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,549 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:24:56,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 54 states and 64 transitions. [2021-11-22 23:24:56,761 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2021-11-22 23:24:56,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:24:56,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,937 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:24:57,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 57 states and 70 transitions. [2021-11-22 23:24:57,780 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2021-11-22 23:24:57,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:24:57,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,802 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-11-22 23:24:58,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 59 states and 72 transitions. [2021-11-22 23:24:58,319 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2021-11-22 23:24:58,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:24:58,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,341 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-11-22 23:24:58,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 59 states and 71 transitions. [2021-11-22 23:24:58,714 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2021-11-22 23:24:58,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:24:58,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,176 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-22 23:25:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 62 states and 75 transitions. [2021-11-22 23:25:00,563 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 75 transitions. [2021-11-22 23:25:00,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:25:00,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,682 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:25:01,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 64 states and 79 transitions. [2021-11-22 23:25:01,248 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2021-11-22 23:25:01,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:25:01,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,458 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:25:02,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 67 states and 86 transitions. [2021-11-22 23:25:02,576 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2021-11-22 23:25:02,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:25:02,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-22 23:25:03,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 69 states and 88 transitions. [2021-11-22 23:25:03,199 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2021-11-22 23:25:03,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:25:03,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-22 23:25:03,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 69 states and 87 transitions. [2021-11-22 23:25:03,627 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2021-11-22 23:25:03,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:25:03,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-22 23:25:04,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2021-11-22 23:25:04,223 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2021-11-22 23:25:04,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:25:04,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,366 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:25:05,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 73 states and 92 transitions. [2021-11-22 23:25:05,021 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2021-11-22 23:25:05,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:25:05,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,212 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:25:06,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 76 states and 99 transitions. [2021-11-22 23:25:06,223 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2021-11-22 23:25:06,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:25:06,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,244 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-22 23:25:06,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 78 states and 101 transitions. [2021-11-22 23:25:06,858 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2021-11-22 23:25:06,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:25:06,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,901 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-22 23:25:07,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 78 states and 100 transitions. [2021-11-22 23:25:07,408 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2021-11-22 23:25:07,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:25:07,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,453 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-11-22 23:25:08,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 80 states and 101 transitions. [2021-11-22 23:25:08,111 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2021-11-22 23:25:08,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:25:08,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,266 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:25:08,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 82 states and 105 transitions. [2021-11-22 23:25:08,935 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2021-11-22 23:25:08,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:25:08,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,207 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:25:10,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 85 states and 112 transitions. [2021-11-22 23:25:10,414 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2021-11-22 23:25:10,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:25:10,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,454 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-11-22 23:25:11,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 87 states and 114 transitions. [2021-11-22 23:25:11,120 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 114 transitions. [2021-11-22 23:25:11,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:25:11,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,143 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-11-22 23:25:11,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 87 states and 113 transitions. [2021-11-22 23:25:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2021-11-22 23:25:11,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:25:11,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,736 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-11-22 23:25:12,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 89 states and 114 transitions. [2021-11-22 23:25:12,404 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2021-11-22 23:25:12,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:25:12,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,584 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:25:13,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 91 states and 118 transitions. [2021-11-22 23:25:13,246 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2021-11-22 23:25:13,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:25:13,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,487 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:25:14,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 94 states and 125 transitions. [2021-11-22 23:25:14,874 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 125 transitions. [2021-11-22 23:25:14,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:25:14,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,897 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-22 23:25:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 96 states and 127 transitions. [2021-11-22 23:25:15,557 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 127 transitions. [2021-11-22 23:25:15,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:25:15,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,579 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-22 23:25:16,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 96 states and 126 transitions. [2021-11-22 23:25:16,008 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 126 transitions. [2021-11-22 23:25:16,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:25:16,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,054 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-22 23:25:16,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 98 states and 127 transitions. [2021-11-22 23:25:16,682 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 127 transitions. [2021-11-22 23:25:16,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:25:16,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,856 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:25:17,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 100 states and 131 transitions. [2021-11-22 23:25:17,836 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 131 transitions. [2021-11-22 23:25:17,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:25:17,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,131 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:25:19,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 103 states and 138 transitions. [2021-11-22 23:25:19,494 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 138 transitions. [2021-11-22 23:25:19,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:25:19,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,517 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2021-11-22 23:25:20,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 105 states and 140 transitions. [2021-11-22 23:25:20,368 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 140 transitions. [2021-11-22 23:25:20,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:25:20,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,392 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2021-11-22 23:25:20,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 105 states and 139 transitions. [2021-11-22 23:25:20,940 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 139 transitions. [2021-11-22 23:25:20,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:25:20,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,992 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-22 23:25:21,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 107 states and 140 transitions. [2021-11-22 23:25:21,664 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 140 transitions. [2021-11-22 23:25:21,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:25:21,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,847 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:25:22,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 109 states and 144 transitions. [2021-11-22 23:25:22,736 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 144 transitions. [2021-11-22 23:25:22,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:25:22,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,998 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:25:24,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 112 states and 151 transitions. [2021-11-22 23:25:24,372 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 151 transitions. [2021-11-22 23:25:24,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:25:24,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,393 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-11-22 23:25:25,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 114 states and 153 transitions. [2021-11-22 23:25:25,087 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 153 transitions. [2021-11-22 23:25:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:25:25,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,108 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-11-22 23:25:25,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 114 states and 152 transitions. [2021-11-22 23:25:25,693 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 152 transitions. [2021-11-22 23:25:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:25:25,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,737 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-11-22 23:25:26,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 116 states and 153 transitions. [2021-11-22 23:25:26,474 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 153 transitions. [2021-11-22 23:25:26,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:25:26,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,674 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:25:27,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 118 states and 156 transitions. [2021-11-22 23:25:27,438 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2021-11-22 23:25:27,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:25:27,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,745 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-22 23:25:29,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 121 states and 163 transitions. [2021-11-22 23:25:29,360 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 163 transitions. [2021-11-22 23:25:29,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:25:29,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,383 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-22 23:25:30,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 123 states and 165 transitions. [2021-11-22 23:25:30,079 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 165 transitions. [2021-11-22 23:25:30,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:25:30,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,100 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-22 23:25:30,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 123 states and 164 transitions. [2021-11-22 23:25:30,595 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 164 transitions. [2021-11-22 23:25:30,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:25:30,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,638 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2021-11-22 23:25:31,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 59 states and 58 transitions. [2021-11-22 23:25:31,314 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 58 transitions. [2021-11-22 23:25:31,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:25:31,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:25:31,376 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:25:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:25:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:25:31,659 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:25:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:25:31,923 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 63 iterations. [2021-11-22 23:25:32,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:25:32 ImpRootNode [2021-11-22 23:25:32,039 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:25:32,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:25:32,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:25:32,063 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:25:32,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:43" (3/4) ... [2021-11-22 23:25:32,066 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 23:25:32,185 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:25:32,185 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:25:32,186 INFO L158 Benchmark]: Toolchain (without parser) took 49585.55ms. Allocated memory was 104.9MB in the beginning and 463.5MB in the end (delta: 358.6MB). Free memory was 75.4MB in the beginning and 373.8MB in the end (delta: -298.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2021-11-22 23:25:32,186 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:25:32,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.50ms. Allocated memory is still 104.9MB. Free memory was 75.1MB in the beginning and 80.1MB in the end (delta: -4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:25:32,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.80ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 78.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:25:32,187 INFO L158 Benchmark]: Boogie Preprocessor took 22.90ms. Allocated memory is still 104.9MB. Free memory was 78.8MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:25:32,188 INFO L158 Benchmark]: RCFGBuilder took 407.05ms. Allocated memory is still 104.9MB. Free memory was 77.5MB in the beginning and 65.8MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 23:25:32,188 INFO L158 Benchmark]: CodeCheck took 48723.95ms. Allocated memory was 104.9MB in the beginning and 463.5MB in the end (delta: 358.6MB). Free memory was 65.8MB in the beginning and 378.0MB in the end (delta: -312.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2021-11-22 23:25:32,189 INFO L158 Benchmark]: Witness Printer took 122.32ms. Allocated memory is still 463.5MB. Free memory was 378.0MB in the beginning and 373.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 23:25:32,191 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, 18 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 48.6s, OverallIterations: 63, 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, 9075 SdHoareTripleChecker+Valid, 46.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8155 mSDsluCounter, 596 SdHoareTripleChecker+Invalid, 37.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 8347 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29859 IncrementalHoareTripleChecker+Invalid, 38206 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8347 mSolverCounterUnsat, 472 mSDtfsCounter, 29859 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13162 GetRequests, 12029 SyntacticMatches, 669 SemanticMatches, 464 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97600 ImplicationChecksByTransitivity, 42.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 2070 NumberOfCodeBlocks, 2070 NumberOfCodeBlocksAsserted, 63 NumberOfCheckSat, 1954 ConstructedInterpolants, 0 QuantifiedInterpolants, 11097 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 62 InterpolantComputations, 25 PerfectInterpolantSequences, 6297/7486 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 - CounterExampleResult [Line: 26]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L1] int array[10]; [L25] CALL, EXPR getNumbers2() [L13] CALL, EXPR getNumbers() [L5] int i = 0; VAL [array={1:0}, i=0] [L5] COND TRUE i < 10 VAL [array={1:0}, i=0] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=1] [L5] COND TRUE i < 10 VAL [array={1:0}, i=1] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=2] [L5] COND TRUE i < 10 VAL [array={1:0}, i=2] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=3] [L5] COND TRUE i < 10 VAL [array={1:0}, i=3] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=4] [L5] COND TRUE i < 10 VAL [array={1:0}, i=4] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=5] [L5] COND TRUE i < 10 VAL [array={1:0}, i=5] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=6] [L5] COND TRUE i < 10 VAL [array={1:0}, i=6] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=7] [L5] COND TRUE i < 10 VAL [array={1:0}, i=7] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=8] [L5] COND TRUE i < 10 VAL [array={1:0}, i=8] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=9] [L5] COND TRUE i < 10 VAL [array={1:0}, i=9] [L6] array[i] = i [L5] ++i VAL [array={1:0}, i=10] [L5] COND FALSE !(i < 10) [L9] return array; [L13] RET, EXPR getNumbers() [L13] int* numbers = getNumbers(); [L15] int numbers2[10]; [L17] int i = 0; VAL [array={1:0}, i=0, numbers={1:0}, numbers2={12832:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=0, numbers={1:0}, numbers2={12832:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=0, numbers={1:0}, numbers2={12832:0}, numbers[i]=0] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=1, numbers={1:0}, numbers2={12832:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=1, numbers={1:0}, numbers2={12832:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=1, numbers={1:0}, numbers2={12832:0}, numbers[i]=1] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=2, numbers={1:0}, numbers2={12832:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=2, numbers={1:0}, numbers2={12832:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=2, numbers={1:0}, numbers2={12832:0}, numbers[i]=2] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=3, numbers={1:0}, numbers2={12832:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=3, numbers={1:0}, numbers2={12832:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=3, numbers={1:0}, numbers2={12832:0}, numbers[i]=3] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=4, numbers={1:0}, numbers2={12832:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=4, numbers={1:0}, numbers2={12832:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=4, numbers={1:0}, numbers2={12832:0}, numbers[i]=4] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=5, numbers={1:0}, numbers2={12832:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=5, numbers={1:0}, numbers2={12832:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=5, numbers={1:0}, numbers2={12832:0}, numbers[i]=5] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=6, numbers={1:0}, numbers2={12832:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=6, numbers={1:0}, numbers2={12832:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=6, numbers={1:0}, numbers2={12832:0}, numbers[i]=6] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=7, numbers={1:0}, numbers2={12832:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=7, numbers={1:0}, numbers2={12832:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=7, numbers={1:0}, numbers2={12832:0}, numbers[i]=7] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=8, numbers={1:0}, numbers2={12832:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=8, numbers={1:0}, numbers2={12832:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=8, numbers={1:0}, numbers2={12832:0}, numbers[i]=8] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=9, numbers={1:0}, numbers2={12832:0}] [L17] COND TRUE i < 10 VAL [array={1:0}, i=9, numbers={1:0}, numbers2={12832:0}] [L18] EXPR numbers[i] VAL [array={1:0}, i=9, numbers={1:0}, numbers2={12832:0}, numbers[i]=9] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={1:0}, i=10, numbers={1:0}, numbers2={12832:0}] [L17] COND FALSE !(i < 10) [L21] return numbers2; [L21] return numbers2; [L25] RET, EXPR getNumbers2() [L25] int *numbers = getNumbers2(); [L26] numbers[0] = 100 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.50ms. Allocated memory is still 104.9MB. Free memory was 75.1MB in the beginning and 80.1MB in the end (delta: -4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.80ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 78.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.90ms. Allocated memory is still 104.9MB. Free memory was 78.8MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 407.05ms. Allocated memory is still 104.9MB. Free memory was 77.5MB in the beginning and 65.8MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 48723.95ms. Allocated memory was 104.9MB in the beginning and 463.5MB in the end (delta: 358.6MB). Free memory was 65.8MB in the beginning and 378.0MB in the end (delta: -312.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Witness Printer took 122.32ms. Allocated memory is still 463.5MB. Free memory was 378.0MB in the beginning and 373.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-22 23:25:32,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02e47fce-b371-494b-a1d6-82bd3e9a8ebb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)