./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7dfc9f1e1cbceb1807370dcac22a0449d857eff9a54bdefbc84178983a910e84 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:12:23,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:12:23,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:12:23,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:12:23,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:12:23,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:12:23,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:12:23,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:12:23,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:12:23,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:12:23,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:12:23,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:12:23,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:12:23,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:12:23,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:12:23,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:12:23,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:12:23,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:12:23,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:12:23,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:12:23,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:12:23,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:12:23,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:12:23,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:12:23,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:12:23,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:12:23,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:12:23,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:12:23,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:12:23,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:12:23,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:12:23,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:12:23,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:12:23,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:12:23,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:12:23,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:12:23,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:12:23,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:12:23,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:12:23,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:12:23,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:12:23,557 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 07:12:23,594 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:12:23,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:12:23,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:12:23,599 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:12:23,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:12:23,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:12:23,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:12:23,601 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:12:23,601 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:12:23,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:12:23,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:12:23,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:12:23,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:12:23,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:12:23,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:12:23,604 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 07:12:23,604 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:12:23,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:12:23,604 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:12:23,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:12:23,605 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:12:23,605 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:12:23,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:12:23,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:12:23,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:12:23,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:12:23,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:12:23,607 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:12:23,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:12:23,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:12:23,609 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_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dfc9f1e1cbceb1807370dcac22a0449d857eff9a54bdefbc84178983a910e84 [2021-11-25 07:12:23,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:12:23,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:12:23,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:12:23,894 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:12:23,895 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:12:23,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/bitvector/byte_add-1.i [2021-11-25 07:12:23,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL/data/9665bdf81/68045d3741c741d3acabce7cfbe3f8fc/FLAGe2b4cf88d [2021-11-25 07:12:24,461 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:12:24,463 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/sv-benchmarks/c/bitvector/byte_add-1.i [2021-11-25 07:12:24,474 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL/data/9665bdf81/68045d3741c741d3acabce7cfbe3f8fc/FLAGe2b4cf88d [2021-11-25 07:12:24,814 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL/data/9665bdf81/68045d3741c741d3acabce7cfbe3f8fc [2021-11-25 07:12:24,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:12:24,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:12:24,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:12:24,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:12:24,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:12:24,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:12:24" (1/1) ... [2021-11-25 07:12:24,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@776d474a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:12:24, skipping insertion in model container [2021-11-25 07:12:24,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:12:24" (1/1) ... [2021-11-25 07:12:24,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:12:24,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:12:25,144 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/sv-benchmarks/c/bitvector/byte_add-1.i[1166,1179] [2021-11-25 07:12:25,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:12:25,211 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:12:25,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/sv-benchmarks/c/bitvector/byte_add-1.i[1166,1179] [2021-11-25 07:12:25,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:12:25,269 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:12:25,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:12:25 WrapperNode [2021-11-25 07:12:25,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:12:25,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:12:25,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:12:25,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:12:25,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:12:25" (1/1) ... [2021-11-25 07:12:25,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:12:25" (1/1) ... [2021-11-25 07:12:25,315 INFO L137 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 160 [2021-11-25 07:12:25,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:12:25,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:12:25,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:12:25,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:12:25,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:12:25" (1/1) ... [2021-11-25 07:12:25,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:12:25" (1/1) ... [2021-11-25 07:12:25,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:12:25" (1/1) ... [2021-11-25 07:12:25,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:12:25" (1/1) ... [2021-11-25 07:12:25,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:12:25" (1/1) ... [2021-11-25 07:12:25,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:12:25" (1/1) ... [2021-11-25 07:12:25,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:12:25" (1/1) ... [2021-11-25 07:12:25,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:12:25,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:12:25,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:12:25,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:12:25,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:12:25" (1/1) ... [2021-11-25 07:12:25,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:12:25,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:12:25,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:12:25,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:12:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:12:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:12:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:12:25,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:12:25,517 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:12:25,519 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:12:25,783 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:12:25,889 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:12:25,890 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 07:12:25,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:12:25 BoogieIcfgContainer [2021-11-25 07:12:25,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:12:25,893 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:12:25,898 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:12:25,911 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:12:25,911 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:12:25" (1/1) ... [2021-11-25 07:12:25,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:12:25,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:25,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2021-11-25 07:12:25,982 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2021-11-25 07:12:25,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 07:12:25,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:25,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2021-11-25 07:12:26,141 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2021-11-25 07:12:26,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:12:26,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2021-11-25 07:12:26,177 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2021-11-25 07:12:26,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 07:12:26,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2021-11-25 07:12:26,213 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2021-11-25 07:12:26,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 07:12:26,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2021-11-25 07:12:26,248 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2021-11-25 07:12:26,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 07:12:26,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2021-11-25 07:12:26,277 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2021-11-25 07:12:26,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 07:12:26,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2021-11-25 07:12:26,305 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2021-11-25 07:12:26,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:12:26,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2021-11-25 07:12:26,350 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2021-11-25 07:12:26,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:12:26,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2021-11-25 07:12:26,430 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2021-11-25 07:12:26,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:12:26,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2021-11-25 07:12:26,470 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2021-11-25 07:12:26,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:12:26,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2021-11-25 07:12:26,505 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2021-11-25 07:12:26,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:12:26,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2021-11-25 07:12:26,529 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2021-11-25 07:12:26,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:12:26,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2021-11-25 07:12:26,556 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2021-11-25 07:12:26,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:12:26,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2021-11-25 07:12:26,616 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2021-11-25 07:12:26,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:12:26,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2021-11-25 07:12:26,671 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2021-11-25 07:12:26,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:12:26,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2021-11-25 07:12:26,718 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2021-11-25 07:12:26,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:12:26,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2021-11-25 07:12:26,761 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2021-11-25 07:12:26,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:12:26,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2021-11-25 07:12:26,791 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2021-11-25 07:12:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:12:26,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2021-11-25 07:12:26,828 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2021-11-25 07:12:26,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:12:26,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2021-11-25 07:12:26,866 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2021-11-25 07:12:26,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:12:26,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2021-11-25 07:12:26,894 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2021-11-25 07:12:26,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:12:26,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2021-11-25 07:12:26,919 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2021-11-25 07:12:26,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:12:26,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2021-11-25 07:12:26,960 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2021-11-25 07:12:26,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:12:26,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:26,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:26,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:26,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2021-11-25 07:12:26,996 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2021-11-25 07:12:26,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:12:26,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:26,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:27,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:27,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2021-11-25 07:12:27,024 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2021-11-25 07:12:27,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:12:27,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:27,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:27,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:27,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2021-11-25 07:12:27,053 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2021-11-25 07:12:27,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:12:27,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:27,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:27,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:27,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2021-11-25 07:12:27,083 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2021-11-25 07:12:27,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:12:27,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:27,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:27,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:27,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:27,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2021-11-25 07:12:27,118 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2021-11-25 07:12:27,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:12:27,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:27,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:27,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:27,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:27,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2021-11-25 07:12:27,142 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2021-11-25 07:12:27,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:12:27,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:27,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:27,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:27,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2021-11-25 07:12:27,174 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2021-11-25 07:12:27,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:12:27,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:27,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:27,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:27,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:27,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2021-11-25 07:12:27,203 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2021-11-25 07:12:27,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:12:27,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:27,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:27,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:27,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:27,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2021-11-25 07:12:27,227 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2021-11-25 07:12:27,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:12:27,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:27,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:27,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:27,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2021-11-25 07:12:27,252 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-11-25 07:12:27,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:12:27,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:27,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:27,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:27,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:27,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2021-11-25 07:12:27,271 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2021-11-25 07:12:27,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:12:27,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:27,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:27,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:27,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:27,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2021-11-25 07:12:27,294 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2021-11-25 07:12:27,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:12:27,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:27,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:27,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:27,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:27,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2021-11-25 07:12:27,313 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-11-25 07:12:27,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 07:12:27,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:27,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:27,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:12:27,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:27,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2021-11-25 07:12:27,341 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2021-11-25 07:12:27,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 07:12:27,341 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2021-11-25 07:12:27,354 INFO L754 CodeCheckObserver]: All specifications hold 36 specifications checked. All of them hold [2021-11-25 07:12:27,422 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:12:27,426 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:12:27,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 07:12:27 ImpRootNode [2021-11-25 07:12:27,427 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 07:12:27,427 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 07:12:27,427 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 07:12:27,427 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 07:12:27,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:12:25" (3/4) ... [2021-11-25 07:12:27,431 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 07:12:27,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-11-25 07:12:27,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-25 07:12:27,450 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-25 07:12:27,451 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 07:12:27,528 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 07:12:27,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 07:12:27,529 INFO L158 Benchmark]: Toolchain (without parser) took 2711.04ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 50.1MB in the beginning and 63.7MB in the end (delta: -13.7MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-11-25 07:12:27,529 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:12:27,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.72ms. Allocated memory is still 92.3MB. Free memory was 49.8MB in the beginning and 64.5MB in the end (delta: -14.7MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-25 07:12:27,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.94ms. Allocated memory is still 92.3MB. Free memory was 64.3MB in the beginning and 62.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:12:27,531 INFO L158 Benchmark]: Boogie Preprocessor took 48.72ms. Allocated memory is still 92.3MB. Free memory was 62.3MB in the beginning and 60.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:12:27,531 INFO L158 Benchmark]: RCFGBuilder took 526.81ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 60.9MB in the beginning and 86.5MB in the end (delta: -25.6MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2021-11-25 07:12:27,531 INFO L158 Benchmark]: CodeCheck took 1533.13ms. Allocated memory is still 111.1MB. Free memory was 86.5MB in the beginning and 69.1MB in the end (delta: 17.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2021-11-25 07:12:27,532 INFO L158 Benchmark]: Witness Printer took 101.06ms. Allocated memory is still 111.1MB. Free memory was 69.1MB in the beginning and 63.7MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 07:12:27,534 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, 95 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 37, 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, 3708 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1548 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 1548 mSDtfsCounter, 154 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2510 GetRequests, 2510 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 314 ConstructedInterpolants, 0 QuantifiedInterpolants, 314 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 91]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 91]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 92]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 92]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 113]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 113]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.72ms. Allocated memory is still 92.3MB. Free memory was 49.8MB in the beginning and 64.5MB in the end (delta: -14.7MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.94ms. Allocated memory is still 92.3MB. Free memory was 64.3MB in the beginning and 62.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.72ms. Allocated memory is still 92.3MB. Free memory was 62.3MB in the beginning and 60.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 526.81ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 60.9MB in the beginning and 86.5MB in the end (delta: -25.6MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * CodeCheck took 1533.13ms. Allocated memory is still 111.1MB. Free memory was 86.5MB in the beginning and 69.1MB in the end (delta: 17.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Witness Printer took 101.06ms. Allocated memory is still 111.1MB. Free memory was 69.1MB in the beginning and 63.7MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-25 07:12:27,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b4343-7875-46b9-a055-b0dff6dd2e00/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE