./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01805ac9-9562-4dfe-99e6-ac5a588c8344/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01805ac9-9562-4dfe-99e6-ac5a588c8344/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01805ac9-9562-4dfe-99e6-ac5a588c8344/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01805ac9-9562-4dfe-99e6-ac5a588c8344/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01805ac9-9562-4dfe-99e6-ac5a588c8344/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01805ac9-9562-4dfe-99e6-ac5a588c8344/bin/ukojak-jW3SillKbg --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 6597d5a31aa324ba443314d2c363b302cd71d697c12811ade53ae3225a095206 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:47:58,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:47:58,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:47:58,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:47:58,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:47:58,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:47:58,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:47:58,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:47:58,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:47:58,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:47:58,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:47:58,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:47:58,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:47:58,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:47:58,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:47:58,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:47:58,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:47:58,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:47:58,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:47:58,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:47:58,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:47:58,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:47:58,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:47:58,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:47:58,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:47:58,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:47:58,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:47:58,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:47:58,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:47:58,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:47:58,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:47:58,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:47:58,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:47:58,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:47:58,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:47:58,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:47:58,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:47:58,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:47:58,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:47:58,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:47:58,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:47:58,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01805ac9-9562-4dfe-99e6-ac5a588c8344/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:47:58,287 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:47:58,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:47:58,289 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:47:58,289 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:47:58,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:47:58,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:47:58,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:47:58,291 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:47:58,291 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:47:58,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:47:58,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:47:58,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:47:58,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:47:58,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:47:58,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:47:58,294 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:47:58,294 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:47:58,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:47:58,295 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:47:58,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:47:58,295 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:47:58,296 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:47:58,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:47:58,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:47:58,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:47:58,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:47:58,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:47:58,297 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:47:58,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:47:58,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:47:58,299 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_01805ac9-9562-4dfe-99e6-ac5a588c8344/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01805ac9-9562-4dfe-99e6-ac5a588c8344/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6597d5a31aa324ba443314d2c363b302cd71d697c12811ade53ae3225a095206 [2022-11-21 22:47:58,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:47:58,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:47:58,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:47:58,644 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:47:58,644 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:47:58,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01805ac9-9562-4dfe-99e6-ac5a588c8344/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/recursive-simple/fibo_2calls_2-2.c [2022-11-21 22:48:01,819 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:48:02,000 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:48:02,000 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01805ac9-9562-4dfe-99e6-ac5a588c8344/sv-benchmarks/c/recursive-simple/fibo_2calls_2-2.c [2022-11-21 22:48:02,013 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01805ac9-9562-4dfe-99e6-ac5a588c8344/bin/ukojak-jW3SillKbg/data/84ca51c32/814b637536794a539615b4078c788fe1/FLAG06cba53d9 [2022-11-21 22:48:02,028 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01805ac9-9562-4dfe-99e6-ac5a588c8344/bin/ukojak-jW3SillKbg/data/84ca51c32/814b637536794a539615b4078c788fe1 [2022-11-21 22:48:02,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:48:02,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:48:02,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:48:02,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:48:02,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:48:02,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:48:02" (1/1) ... [2022-11-21 22:48:02,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb7f5dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:48:02, skipping insertion in model container [2022-11-21 22:48:02,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:48:02" (1/1) ... [2022-11-21 22:48:02,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:48:02,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:48:02,219 WARN L237 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_01805ac9-9562-4dfe-99e6-ac5a588c8344/sv-benchmarks/c/recursive-simple/fibo_2calls_2-2.c[946,959] [2022-11-21 22:48:02,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:48:02,231 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:48:02,247 WARN L237 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_01805ac9-9562-4dfe-99e6-ac5a588c8344/sv-benchmarks/c/recursive-simple/fibo_2calls_2-2.c[946,959] [2022-11-21 22:48:02,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:48:02,263 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:48:02,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:48:02 WrapperNode [2022-11-21 22:48:02,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:48:02,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:48:02,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:48:02,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:48:02,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:48:02" (1/1) ... [2022-11-21 22:48:02,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:48:02" (1/1) ... [2022-11-21 22:48:02,299 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-21 22:48:02,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:48:02,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:48:02,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:48:02,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:48:02,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:48:02" (1/1) ... [2022-11-21 22:48:02,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:48:02" (1/1) ... [2022-11-21 22:48:02,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:48:02" (1/1) ... [2022-11-21 22:48:02,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:48:02" (1/1) ... [2022-11-21 22:48:02,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:48:02" (1/1) ... [2022-11-21 22:48:02,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:48:02" (1/1) ... [2022-11-21 22:48:02,325 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:48:02" (1/1) ... [2022-11-21 22:48:02,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:48:02" (1/1) ... [2022-11-21 22:48:02,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:48:02,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:48:02,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:48:02,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:48:02,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:48:02" (1/1) ... [2022-11-21 22:48:02,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:48:02,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01805ac9-9562-4dfe-99e6-ac5a588c8344/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:48:02,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01805ac9-9562-4dfe-99e6-ac5a588c8344/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:48:02,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01805ac9-9562-4dfe-99e6-ac5a588c8344/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:48:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:48:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:48:02,412 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2022-11-21 22:48:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2022-11-21 22:48:02,412 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2022-11-21 22:48:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2022-11-21 22:48:02,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:48:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:48:02,477 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:48:02,481 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:48:02,656 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:48:02,686 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:48:02,687 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:48:02,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:48:02 BoogieIcfgContainer [2022-11-21 22:48:02,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:48:02,691 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:48:02,691 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:48:02,700 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:48:02,700 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:48:02" (1/1) ... [2022-11-21 22:48:02,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:48:02,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:48:02,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 46 states and 52 transitions. [2022-11-21 22:48:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2022-11-21 22:48:02,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:48:02,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:48:02,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:48:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:48:03,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:48:03,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:48:03,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 58 transitions. [2022-11-21 22:48:03,122 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2022-11-21 22:48:03,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:48:03,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:48:03,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:48:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:48:03,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:48:03,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:48:03,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 59 transitions. [2022-11-21 22:48:03,219 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2022-11-21 22:48:03,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:48:03,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:48:03,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:48:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:48:03,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:48:03,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:48:03,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 56 states and 67 transitions. [2022-11-21 22:48:03,503 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions. [2022-11-21 22:48:03,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:48:03,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:48:03,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:48:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:48:03,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:48:03,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:48:03,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 54 states and 64 transitions. [2022-11-21 22:48:03,708 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2022-11-21 22:48:03,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:48:03,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:48:03,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:48:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:48:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:48:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:48:03,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 56 states and 66 transitions. [2022-11-21 22:48:03,830 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2022-11-21 22:48:03,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:48:03,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:48:03,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:48:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:48:03,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:48:03,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:48:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 57 states and 67 transitions. [2022-11-21 22:48:03,924 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2022-11-21 22:48:03,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:48:03,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:48:03,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:48:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:48:04,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:48:04,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:48:04,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 59 states and 72 transitions. [2022-11-21 22:48:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2022-11-21 22:48:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:48:04,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:48:04,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:48:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:48:04,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:48:04,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:48:04,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 28 states and 29 transitions. [2022-11-21 22:48:04,476 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2022-11-21 22:48:04,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:48:04,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:48:04,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:48:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:48:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:48:05,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:48:05,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 32 states and 33 transitions. [2022-11-21 22:48:05,349 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2022-11-21 22:48:05,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:48:05,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:48:05,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:48:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:48:05,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:48:05,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:48:05,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 33 states and 34 transitions. [2022-11-21 22:48:05,496 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2022-11-21 22:48:05,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:48:05,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:48:05,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:48:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:48:05,597 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 22:48:05,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:48:05,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 32 states and 33 transitions. [2022-11-21 22:48:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2022-11-21 22:48:05,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 22:48:05,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:48:05,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:48:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:48:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 22:48:06,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:48:06,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 31 states and 32 transitions. [2022-11-21 22:48:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2022-11-21 22:48:06,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:48:06,054 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2022-11-21 22:48:06,067 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-21 22:48:06,180 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:48:06,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:48:06 ImpRootNode [2022-11-21 22:48:06,187 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:48:06,189 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:48:06,189 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:48:06,190 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:48:06,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:48:02" (3/4) ... [2022-11-21 22:48:06,204 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:48:06,212 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo2 [2022-11-21 22:48:06,212 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fibo1 [2022-11-21 22:48:06,221 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-21 22:48:06,221 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 22:48:06,222 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 22:48:06,222 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:48:06,279 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01805ac9-9562-4dfe-99e6-ac5a588c8344/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:48:06,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:48:06,281 INFO L158 Benchmark]: Toolchain (without parser) took 4247.45ms. Allocated memory is still 197.1MB. Free memory was 150.6MB in the beginning and 113.7MB in the end (delta: 36.9MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2022-11-21 22:48:06,281 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:48:06,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.92ms. Allocated memory is still 197.1MB. Free memory was 150.2MB in the beginning and 140.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 22:48:06,282 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.49ms. Allocated memory is still 197.1MB. Free memory was 140.2MB in the beginning and 138.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:48:06,282 INFO L158 Benchmark]: Boogie Preprocessor took 27.92ms. Allocated memory is still 197.1MB. Free memory was 138.5MB in the beginning and 137.5MB in the end (delta: 975.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:48:06,283 INFO L158 Benchmark]: RCFGBuilder took 360.98ms. Allocated memory is still 197.1MB. Free memory was 137.5MB in the beginning and 125.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 22:48:06,283 INFO L158 Benchmark]: CodeCheck took 3497.37ms. Allocated memory is still 197.1MB. Free memory was 125.0MB in the beginning and 116.8MB in the end (delta: 8.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-11-21 22:48:06,284 INFO L158 Benchmark]: Witness Printer took 91.01ms. Allocated memory is still 197.1MB. Free memory was 115.8MB in the beginning and 113.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:48:06,287 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 3 procedures, 46 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 516 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 282 mSDsluCounter, 220 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 326 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1208 IncrementalHoareTripleChecker+Invalid, 1534 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 326 mSolverCounterUnsat, 140 mSDtfsCounter, 1208 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1532 GetRequests, 1473 SyntacticMatches, 9 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 457 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 19/23 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: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 39]: 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 142.6MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.92ms. Allocated memory is still 197.1MB. Free memory was 150.2MB in the beginning and 140.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.49ms. Allocated memory is still 197.1MB. Free memory was 140.2MB in the beginning and 138.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.92ms. Allocated memory is still 197.1MB. Free memory was 138.5MB in the beginning and 137.5MB in the end (delta: 975.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 360.98ms. Allocated memory is still 197.1MB. Free memory was 137.5MB in the beginning and 125.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 3497.37ms. Allocated memory is still 197.1MB. Free memory was 125.0MB in the beginning and 116.8MB in the end (delta: 8.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Witness Printer took 91.01ms. Allocated memory is still 197.1MB. Free memory was 115.8MB in the beginning and 113.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:48:06,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01805ac9-9562-4dfe-99e6-ac5a588c8344/bin/ukojak-jW3SillKbg/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