./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_3b609929-2ea9-4959-a060-497bc3ef975a/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b609929-2ea9-4959-a060-497bc3ef975a/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_3b609929-2ea9-4959-a060-497bc3ef975a/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b609929-2ea9-4959-a060-497bc3ef975a/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b609929-2ea9-4959-a060-497bc3ef975a/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b609929-2ea9-4959-a060-497bc3ef975a/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 64bit --witnessprinter.graph.data.programhash 51ccbaa2988d04f4dc74974694add0529ac8a83852aa1c5cd464965ea1329ad9 --- 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 22:53:37,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:53:37,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:53:38,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:53:38,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:53:38,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:53:38,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:53:38,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:53:38,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:53:38,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:53:38,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:53:38,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:53:38,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:53:38,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:53:38,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:53:38,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:53:38,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:53:38,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:53:38,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:53:38,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:53:38,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:53:38,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:53:38,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:53:38,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:53:38,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:53:38,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:53:38,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:53:38,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:53:38,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:53:38,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:53:38,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:53:38,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:53:38,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:53:38,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:53:38,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:53:38,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:53:38,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:53:38,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:53:38,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:53:38,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:53:38,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:53:38,089 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b609929-2ea9-4959-a060-497bc3ef975a/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:53:38,127 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:53:38,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:53:38,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:53:38,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:53:38,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:53:38,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:53:38,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:53:38,130 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:53:38,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:53:38,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:53:38,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:53:38,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:53:38,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:53:38,132 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:53:38,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:53:38,132 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:53:38,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:53:38,133 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:53:38,133 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:53:38,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:53:38,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:53:38,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:53:38,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:53:38,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:53:38,134 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:53:38,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:53:38,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:53:38,134 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_3b609929-2ea9-4959-a060-497bc3ef975a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b609929-2ea9-4959-a060-497bc3ef975a/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51ccbaa2988d04f4dc74974694add0529ac8a83852aa1c5cd464965ea1329ad9 [2022-11-21 22:53:38,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:53:38,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:53:38,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:53:38,489 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:53:38,490 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:53:38,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b609929-2ea9-4959-a060-497bc3ef975a/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_15_good.i [2022-11-21 22:53:41,637 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:53:42,132 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:53:42,133 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b609929-2ea9-4959-a060-497bc3ef975a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_15_good.i [2022-11-21 22:53:42,164 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b609929-2ea9-4959-a060-497bc3ef975a/bin/ukojak-jW3SillKbg/data/fd072f72f/b7d4b4a9d9b64b65811f6ffc94587b2c/FLAGc6c79b69e [2022-11-21 22:53:42,183 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b609929-2ea9-4959-a060-497bc3ef975a/bin/ukojak-jW3SillKbg/data/fd072f72f/b7d4b4a9d9b64b65811f6ffc94587b2c [2022-11-21 22:53:42,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:53:42,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:53:42,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:53:42,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:53:42,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:53:42,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:53:42" (1/1) ... [2022-11-21 22:53:42,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d48daca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:42, skipping insertion in model container [2022-11-21 22:53:42,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:53:42" (1/1) ... [2022-11-21 22:53:42,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:53:42,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:53:42,662 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:53:43,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:53:43,291 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:53:43,322 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:53:43,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:53:43,538 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:53:43,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:43 WrapperNode [2022-11-21 22:53:43,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:53:43,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:53:43,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:53:43,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:53:43,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:43" (1/1) ... [2022-11-21 22:53:43,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:43" (1/1) ... [2022-11-21 22:53:43,636 INFO L138 Inliner]: procedures = 504, calls = 97, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 187 [2022-11-21 22:53:43,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:53:43,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:53:43,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:53:43,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:53:43,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:43" (1/1) ... [2022-11-21 22:53:43,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:43" (1/1) ... [2022-11-21 22:53:43,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:43" (1/1) ... [2022-11-21 22:53:43,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:43" (1/1) ... [2022-11-21 22:53:43,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:43" (1/1) ... [2022-11-21 22:53:43,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:43" (1/1) ... [2022-11-21 22:53:43,675 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:43" (1/1) ... [2022-11-21 22:53:43,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:43" (1/1) ... [2022-11-21 22:53:43,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:53:43,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:53:43,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:53:43,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:53:43,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:43" (1/1) ... [2022-11-21 22:53:43,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:53:43,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b609929-2ea9-4959-a060-497bc3ef975a/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:53:43,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b609929-2ea9-4959-a060-497bc3ef975a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:53:43,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b609929-2ea9-4959-a060-497bc3ef975a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:53:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 22:53:43,772 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 22:53:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 22:53:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:53:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:53:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:53:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 22:53:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:53:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:53:43,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:53:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:53:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:53:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:53:44,067 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:53:44,069 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:53:44,330 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:53:44,399 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:53:44,399 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:53:44,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:53:44 BoogieIcfgContainer [2022-11-21 22:53:44,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:53:44,403 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:53:44,404 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:53:44,414 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:53:44,415 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:53:44" (1/1) ... [2022-11-21 22:53:44,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:53:44,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:44,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 71 states and 105 transitions. [2022-11-21 22:53:44,502 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2022-11-21 22:53:44,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:53:44,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:44,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:44,740 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 22:53:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:44,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 69 states and 100 transitions. [2022-11-21 22:53:44,781 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2022-11-21 22:53:44,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:53:44,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:44,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:44,945 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 22:53:44,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:44,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 75 states and 109 transitions. [2022-11-21 22:53:44,997 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2022-11-21 22:53:44,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:53:44,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:44,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:45,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:53:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:45,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 74 states and 108 transitions. [2022-11-21 22:53:45,181 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2022-11-21 22:53:45,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:53:45,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:45,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:45,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:53:45,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:45,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 67 states and 98 transitions. [2022-11-21 22:53:45,473 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2022-11-21 22:53:45,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:53:45,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:45,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:45,569 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 22:53:45,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:45,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 67 states and 97 transitions. [2022-11-21 22:53:45,687 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 97 transitions. [2022-11-21 22:53:45,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:53:45,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:45,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:45,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:53:45,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:45,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 66 states and 94 transitions. [2022-11-21 22:53:45,778 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2022-11-21 22:53:45,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:53:45,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:45,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:45,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:53:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:45,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 64 states and 89 transitions. [2022-11-21 22:53:45,899 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2022-11-21 22:53:45,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:53:45,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:45,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:46,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:53:46,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:46,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 69 states and 96 transitions. [2022-11-21 22:53:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2022-11-21 22:53:46,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:53:46,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:46,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:46,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:53:46,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 68 states and 95 transitions. [2022-11-21 22:53:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 95 transitions. [2022-11-21 22:53:46,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 22:53:46,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:46,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:46,512 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:53:46,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:46,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 87 transitions. [2022-11-21 22:53:46,709 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2022-11-21 22:53:46,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 22:53:46,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:46,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:46,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:53:46,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:46,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 60 states and 82 transitions. [2022-11-21 22:53:46,965 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2022-11-21 22:53:46,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 22:53:46,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:46,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:47,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:53:47,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:47,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 87 transitions. [2022-11-21 22:53:47,243 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2022-11-21 22:53:47,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:53:47,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:47,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:53:47,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:47,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 67 states and 93 transitions. [2022-11-21 22:53:47,695 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2022-11-21 22:53:47,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 22:53:47,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:47,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:47,770 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 22:53:47,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:47,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 57 states and 77 transitions. [2022-11-21 22:53:47,827 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2022-11-21 22:53:47,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 22:53:47,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:47,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:47,907 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:53:48,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:48,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 55 states and 72 transitions. [2022-11-21 22:53:48,152 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2022-11-21 22:53:48,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-21 22:53:48,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:48,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:53:48,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:48,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 58 states and 78 transitions. [2022-11-21 22:53:48,483 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-11-21 22:53:48,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 22:53:48,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:48,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:48,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:53:48,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 62 states and 85 transitions. [2022-11-21 22:53:48,968 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-11-21 22:53:48,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 22:53:48,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:53:48,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:53:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:53:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:53:49,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:53:49,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 51 states and 65 transitions. [2022-11-21 22:53:49,165 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-11-21 22:53:49,166 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:53:49,166 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2022-11-21 22:53:49,174 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 22:53:49,325 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:53:49,330 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:53:49,330 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:53:49,330 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:53:49,330 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:53:49,331 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:53:49,331 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:53:49,331 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:53:49,331 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:53:49,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:53:49 ImpRootNode [2022-11-21 22:53:49,332 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:53:49,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:53:49,333 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:53:49,333 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:53:49,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:53:44" (3/4) ... [2022-11-21 22:53:49,337 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:53:49,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 22:53:49,347 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 22:53:49,356 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-11-21 22:53:49,356 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-21 22:53:49,356 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 22:53:49,356 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 22:53:49,357 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:53:49,429 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b609929-2ea9-4959-a060-497bc3ef975a/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:53:49,434 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:53:49,435 INFO L158 Benchmark]: Toolchain (without parser) took 7245.06ms. Allocated memory was 163.6MB in the beginning and 220.2MB in the end (delta: 56.6MB). Free memory was 128.6MB in the beginning and 101.2MB in the end (delta: 27.5MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. [2022-11-21 22:53:49,436 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:53:49,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1346.52ms. Allocated memory is still 163.6MB. Free memory was 128.3MB in the beginning and 67.8MB in the end (delta: 60.5MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-21 22:53:49,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.70ms. Allocated memory is still 163.6MB. Free memory was 67.8MB in the beginning and 64.5MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:53:49,437 INFO L158 Benchmark]: Boogie Preprocessor took 43.12ms. Allocated memory is still 163.6MB. Free memory was 64.5MB in the beginning and 62.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:53:49,437 INFO L158 Benchmark]: RCFGBuilder took 719.63ms. Allocated memory is still 163.6MB. Free memory was 62.7MB in the beginning and 119.4MB in the end (delta: -56.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-11-21 22:53:49,437 INFO L158 Benchmark]: CodeCheck took 4928.56ms. Allocated memory was 163.6MB in the beginning and 220.2MB in the end (delta: 56.6MB). Free memory was 119.4MB in the beginning and 105.4MB in the end (delta: 14.0MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2022-11-21 22:53:49,438 INFO L158 Benchmark]: Witness Printer took 102.23ms. Allocated memory is still 220.2MB. Free memory was 105.4MB in the beginning and 101.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:53:49,439 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, 71 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2398 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 436 mSDsluCounter, 2068 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 516 mSDsCounter, 563 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1182 IncrementalHoareTripleChecker+Invalid, 1745 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 563 mSolverCounterUnsat, 1552 mSDtfsCounter, 1182 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4205 GetRequests, 4112 SyntacticMatches, 11 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1847 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 463 NumberOfCodeBlocks, 463 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 575 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 66/66 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: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1676]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1676]: 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: 1672]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1594]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1645]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1663]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1636]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1346.52ms. Allocated memory is still 163.6MB. Free memory was 128.3MB in the beginning and 67.8MB in the end (delta: 60.5MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.70ms. Allocated memory is still 163.6MB. Free memory was 67.8MB in the beginning and 64.5MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.12ms. Allocated memory is still 163.6MB. Free memory was 64.5MB in the beginning and 62.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 719.63ms. Allocated memory is still 163.6MB. Free memory was 62.7MB in the beginning and 119.4MB in the end (delta: -56.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * CodeCheck took 4928.56ms. Allocated memory was 163.6MB in the beginning and 220.2MB in the end (delta: 56.6MB). Free memory was 119.4MB in the beginning and 105.4MB in the end (delta: 14.0MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. * Witness Printer took 102.23ms. Allocated memory is still 220.2MB. Free memory was 105.4MB in the beginning and 101.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:53:49,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b609929-2ea9-4959-a060-497bc3ef975a/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