./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6023382-ad17-46f1-8922-56ec4217dc62/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6023382-ad17-46f1-8922-56ec4217dc62/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6023382-ad17-46f1-8922-56ec4217dc62/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6023382-ad17-46f1-8922-56ec4217dc62/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6023382-ad17-46f1-8922-56ec4217dc62/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6023382-ad17-46f1-8922-56ec4217dc62/bin/ukojak-pZX7IvK2PQ --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 64bit --witnessprinter.graph.data.programhash 2ab129d438672abf99fba4ba49313b3f134be62963cc91deb15216b263c15682 --- 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-6b4ec56 [2022-11-20 17:07:35,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:07:35,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:07:35,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:07:35,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:07:35,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:07:35,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:07:35,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:07:35,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:07:35,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:07:35,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:07:35,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:07:35,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:07:35,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:07:35,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:07:35,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:07:35,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:07:35,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:07:35,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:07:35,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:07:35,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:07:35,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:07:35,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:07:35,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:07:35,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:07:35,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:07:35,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:07:35,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:07:35,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:07:35,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:07:35,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:07:35,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:07:35,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:07:35,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:07:35,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:07:35,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:07:35,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:07:35,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:07:35,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:07:35,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:07:35,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:07:35,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6023382-ad17-46f1-8922-56ec4217dc62/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:07:35,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:07:35,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:07:35,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:07:35,334 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:07:35,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:07:35,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:07:35,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:07:35,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:07:35,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:07:35,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:07:35,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:07:35,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:07:35,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:07:35,337 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:07:35,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:07:35,338 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:07:35,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:07:35,338 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:07:35,339 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:07:35,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:07:35,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:07:35,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:07:35,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:07:35,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:07:35,340 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:07:35,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:07:35,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:07:35,341 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_d6023382-ad17-46f1-8922-56ec4217dc62/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6023382-ad17-46f1-8922-56ec4217dc62/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ab129d438672abf99fba4ba49313b3f134be62963cc91deb15216b263c15682 [2022-11-20 17:07:35,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:07:35,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:07:35,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:07:35,602 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:07:35,603 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:07:35,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6023382-ad17-46f1-8922-56ec4217dc62/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_good.i [2022-11-20 17:07:38,707 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:07:39,149 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:07:39,150 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6023382-ad17-46f1-8922-56ec4217dc62/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_09_good.i [2022-11-20 17:07:39,180 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6023382-ad17-46f1-8922-56ec4217dc62/bin/ukojak-pZX7IvK2PQ/data/364f9272c/147f8ef2f30b47b3b619585f8e456c99/FLAG2a64159c7 [2022-11-20 17:07:39,195 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6023382-ad17-46f1-8922-56ec4217dc62/bin/ukojak-pZX7IvK2PQ/data/364f9272c/147f8ef2f30b47b3b619585f8e456c99 [2022-11-20 17:07:39,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:07:39,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:07:39,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:07:39,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:07:39,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:07:39,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:07:39" (1/1) ... [2022-11-20 17:07:39,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409a835e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:39, skipping insertion in model container [2022-11-20 17:07:39,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:07:39" (1/1) ... [2022-11-20 17:07:39,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:07:39,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:07:39,658 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:07:40,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:07:40,325 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:07:40,357 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:07:40,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:07:40,643 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:07:40,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:40 WrapperNode [2022-11-20 17:07:40,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:07:40,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:07:40,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:07:40,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:07:40,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:40" (1/1) ... [2022-11-20 17:07:40,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:40" (1/1) ... [2022-11-20 17:07:40,742 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 111 [2022-11-20 17:07:40,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:07:40,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:07:40,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:07:40,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:07:40,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:40" (1/1) ... [2022-11-20 17:07:40,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:40" (1/1) ... [2022-11-20 17:07:40,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:40" (1/1) ... [2022-11-20 17:07:40,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:40" (1/1) ... [2022-11-20 17:07:40,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:40" (1/1) ... [2022-11-20 17:07:40,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:40" (1/1) ... [2022-11-20 17:07:40,785 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:40" (1/1) ... [2022-11-20 17:07:40,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:40" (1/1) ... [2022-11-20 17:07:40,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:07:40,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:07:40,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:07:40,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:07:40,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:40" (1/1) ... [2022-11-20 17:07:40,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:07:40,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6023382-ad17-46f1-8922-56ec4217dc62/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:07:40,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6023382-ad17-46f1-8922-56ec4217dc62/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:07:40,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6023382-ad17-46f1-8922-56ec4217dc62/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:07:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:07:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:07:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 17:07:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:07:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:07:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:07:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 17:07:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:07:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:07:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:07:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:07:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:07:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:07:41,054 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:07:41,056 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:07:41,322 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:07:41,376 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:07:41,377 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:07:41,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:07:41 BoogieIcfgContainer [2022-11-20 17:07:41,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:07:41,385 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:07:41,385 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:07:41,395 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:07:41,395 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:07:41" (1/1) ... [2022-11-20 17:07:41,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:07:41,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:41,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 57 states and 81 transitions. [2022-11-20 17:07:41,478 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2022-11-20 17:07:41,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:07:41,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:41,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:41,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:07:41,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:41,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 57 states and 80 transitions. [2022-11-20 17:07:41,870 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2022-11-20 17:07:41,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:07:41,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:41,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:42,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:07:42,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:42,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 79 transitions. [2022-11-20 17:07:42,054 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2022-11-20 17:07:42,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:07:42,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:42,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:42,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:07:42,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:42,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 78 transitions. [2022-11-20 17:07:42,233 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2022-11-20 17:07:42,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:07:42,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:42,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:42,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:07:42,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:42,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 60 states and 88 transitions. [2022-11-20 17:07:42,363 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2022-11-20 17:07:42,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:07:42,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:42,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:42,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:07:42,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:42,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 90 transitions. [2022-11-20 17:07:42,631 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2022-11-20 17:07:42,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:07:42,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:42,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:42,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:07:42,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 89 transitions. [2022-11-20 17:07:42,819 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2022-11-20 17:07:42,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:07:42,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:42,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:42,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:07:43,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 60 states and 88 transitions. [2022-11-20 17:07:43,048 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2022-11-20 17:07:43,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:07:43,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:43,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:43,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:07:43,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:43,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 90 transitions. [2022-11-20 17:07:43,129 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2022-11-20 17:07:43,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:07:43,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:43,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:07:43,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:43,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 59 states and 84 transitions. [2022-11-20 17:07:43,242 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2022-11-20 17:07:43,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:07:43,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:43,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:43,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:07:43,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:43,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 89 transitions. [2022-11-20 17:07:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2022-11-20 17:07:43,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:07:43,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:43,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:43,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:07:43,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:43,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 63 states and 90 transitions. [2022-11-20 17:07:43,486 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2022-11-20 17:07:43,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:07:43,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:43,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:43,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:07:43,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:43,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 66 states and 96 transitions. [2022-11-20 17:07:43,670 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2022-11-20 17:07:43,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:07:43,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:43,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:07:43,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:43,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 111 transitions. [2022-11-20 17:07:43,792 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2022-11-20 17:07:43,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:07:43,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:43,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:07:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:43,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 74 states and 110 transitions. [2022-11-20 17:07:43,984 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 110 transitions. [2022-11-20 17:07:43,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:07:43,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:43,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:44,020 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:07:44,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 71 states and 103 transitions. [2022-11-20 17:07:44,037 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2022-11-20 17:07:44,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:07:44,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:44,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:07:44,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:44,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 70 states and 101 transitions. [2022-11-20 17:07:44,096 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2022-11-20 17:07:44,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:07:44,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:44,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:44,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:07:44,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:44,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 71 states and 102 transitions. [2022-11-20 17:07:44,160 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2022-11-20 17:07:44,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:07:44,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:44,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:44,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:07:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:44,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 98 transitions. [2022-11-20 17:07:44,338 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 98 transitions. [2022-11-20 17:07:44,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:07:44,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:44,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:44,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:07:44,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:44,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 97 transitions. [2022-11-20 17:07:44,538 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2022-11-20 17:07:44,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:07:44,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:44,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:44,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:07:44,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:44,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 70 states and 100 transitions. [2022-11-20 17:07:44,716 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2022-11-20 17:07:44,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:07:44,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:44,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:44,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:07:44,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:44,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 70 states and 99 transitions. [2022-11-20 17:07:44,896 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2022-11-20 17:07:44,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:07:44,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:44,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:07:45,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:45,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 108 transitions. [2022-11-20 17:07:45,078 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2022-11-20 17:07:45,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:07:45,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:45,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:45,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:07:45,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:45,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 78 states and 112 transitions. [2022-11-20 17:07:45,415 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2022-11-20 17:07:45,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:07:45,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:45,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:45,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:07:45,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 78 states and 111 transitions. [2022-11-20 17:07:45,761 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2022-11-20 17:07:45,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:07:45,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:45,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:45,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:07:45,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 48 states and 62 transitions. [2022-11-20 17:07:45,980 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2022-11-20 17:07:45,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:07:45,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:07:45,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:07:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:07:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:07:46,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:07:46,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 47 states and 61 transitions. [2022-11-20 17:07:46,062 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2022-11-20 17:07:46,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:07:46,062 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-11-20 17:07:46,070 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 17:07:46,373 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:07:46,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:07:46 ImpRootNode [2022-11-20 17:07:46,378 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:07:46,379 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:07:46,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:07:46,379 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:07:46,379 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:07:41" (3/4) ... [2022-11-20 17:07:46,383 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:07:46,389 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:07:46,389 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:07:46,395 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 17:07:46,395 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 17:07:46,395 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:07:46,396 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:07:46,396 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:07:46,449 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6023382-ad17-46f1-8922-56ec4217dc62/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:07:46,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:07:46,450 INFO L158 Benchmark]: Toolchain (without parser) took 7245.03ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 124.9MB in the beginning and 62.3MB in the end (delta: 62.7MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. [2022-11-20 17:07:46,451 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:07:46,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1438.96ms. Allocated memory is still 157.3MB. Free memory was 124.9MB in the beginning and 108.6MB in the end (delta: 16.3MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-20 17:07:46,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.36ms. Allocated memory is still 157.3MB. Free memory was 108.6MB in the beginning and 105.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:07:46,452 INFO L158 Benchmark]: Boogie Preprocessor took 45.56ms. Allocated memory is still 157.3MB. Free memory was 105.4MB in the beginning and 103.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:07:46,452 INFO L158 Benchmark]: RCFGBuilder took 594.06ms. Allocated memory is still 157.3MB. Free memory was 103.7MB in the beginning and 84.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:07:46,453 INFO L158 Benchmark]: CodeCheck took 4993.53ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 84.4MB in the beginning and 66.3MB in the end (delta: 18.1MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2022-11-20 17:07:46,453 INFO L158 Benchmark]: Witness Printer took 71.20ms. Allocated memory is still 188.7MB. Free memory was 66.3MB in the beginning and 62.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:07:46,455 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, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4615 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1731 mSDsluCounter, 4099 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1759 mSDsCounter, 873 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3110 IncrementalHoareTripleChecker+Invalid, 3983 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 873 mSolverCounterUnsat, 2340 mSDtfsCounter, 3110 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5911 GetRequests, 5837 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1843 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 595 NumberOfCodeBlocks, 595 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 569 ConstructedInterpolants, 0 QuantifiedInterpolants, 1244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 40/40 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1670]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1438.96ms. Allocated memory is still 157.3MB. Free memory was 124.9MB in the beginning and 108.6MB in the end (delta: 16.3MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.36ms. Allocated memory is still 157.3MB. Free memory was 108.6MB in the beginning and 105.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.56ms. Allocated memory is still 157.3MB. Free memory was 105.4MB in the beginning and 103.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 594.06ms. Allocated memory is still 157.3MB. Free memory was 103.7MB in the beginning and 84.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4993.53ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 84.4MB in the beginning and 66.3MB in the end (delta: 18.1MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * Witness Printer took 71.20ms. Allocated memory is still 188.7MB. Free memory was 66.3MB in the beginning and 62.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:07:46,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6023382-ad17-46f1-8922-56ec4217dc62/bin/ukojak-pZX7IvK2PQ/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