./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_67_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d3d56-c173-49f5-abd2-cda298b1a31c/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d3d56-c173-49f5-abd2-cda298b1a31c/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_683d3d56-c173-49f5-abd2-cda298b1a31c/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d3d56-c173-49f5-abd2-cda298b1a31c/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_67_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d3d56-c173-49f5-abd2-cda298b1a31c/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_683d3d56-c173-49f5-abd2-cda298b1a31c/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 660ab0c34afa3a96e21027a8c0b6695a9b9fdabcc25208990e0aeae942c8cee1 --- 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 22:58:36,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:58:36,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:58:36,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:58:36,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:58:36,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:58:36,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:58:36,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:58:36,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:58:36,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:58:36,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:58:36,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:58:36,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:58:36,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:58:36,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:58:36,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:58:36,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:58:36,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:58:36,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:58:36,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:58:36,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:58:36,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:58:36,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:58:36,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:58:36,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:58:36,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:58:36,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:58:36,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:58:36,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:58:36,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:58:36,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:58:36,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:58:36,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:58:36,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:58:36,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:58:36,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:58:36,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:58:36,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:58:36,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:58:36,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:58:36,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:58:36,102 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d3d56-c173-49f5-abd2-cda298b1a31c/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:58:36,126 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:58:36,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:58:36,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:58:36,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:58:36,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:58:36,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:58:36,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:58:36,129 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:58:36,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:58:36,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:58:36,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:58:36,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:58:36,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:58:36,130 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:58:36,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:58:36,131 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:58:36,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:58:36,131 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:58:36,131 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:58:36,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:58:36,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:58:36,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:58:36,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:58:36,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:58:36,132 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:58:36,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:58:36,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:58:36,133 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_683d3d56-c173-49f5-abd2-cda298b1a31c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d3d56-c173-49f5-abd2-cda298b1a31c/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 660ab0c34afa3a96e21027a8c0b6695a9b9fdabcc25208990e0aeae942c8cee1 [2022-11-21 22:58:36,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:58:36,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:58:36,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:58:36,439 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:58:36,440 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:58:36,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d3d56-c173-49f5-abd2-cda298b1a31c/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_67_good.i [2022-11-21 22:58:39,478 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:58:39,826 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:58:39,839 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d3d56-c173-49f5-abd2-cda298b1a31c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_67_good.i [2022-11-21 22:58:39,869 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d3d56-c173-49f5-abd2-cda298b1a31c/bin/ukojak-jW3SillKbg/data/7bdbd511b/e6a4bb4b8f774ebbb7f1a4270d8df8ba/FLAG1c2f66658 [2022-11-21 22:58:39,889 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d3d56-c173-49f5-abd2-cda298b1a31c/bin/ukojak-jW3SillKbg/data/7bdbd511b/e6a4bb4b8f774ebbb7f1a4270d8df8ba [2022-11-21 22:58:39,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:58:39,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:58:39,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:58:39,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:58:39,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:58:39,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:58:39" (1/1) ... [2022-11-21 22:58:39,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18fb2d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:39, skipping insertion in model container [2022-11-21 22:58:39,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:58:39" (1/1) ... [2022-11-21 22:58:39,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:58:39,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:58:40,403 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:58:40,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:58:40,912 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:58:40,933 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:58:41,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:58:41,143 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:58:41,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:41 WrapperNode [2022-11-21 22:58:41,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:58:41,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:58:41,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:58:41,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:58:41,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:41" (1/1) ... [2022-11-21 22:58:41,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:41" (1/1) ... [2022-11-21 22:58:41,242 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 91 [2022-11-21 22:58:41,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:58:41,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:58:41,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:58:41,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:58:41,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:41" (1/1) ... [2022-11-21 22:58:41,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:41" (1/1) ... [2022-11-21 22:58:41,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:41" (1/1) ... [2022-11-21 22:58:41,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:41" (1/1) ... [2022-11-21 22:58:41,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:41" (1/1) ... [2022-11-21 22:58:41,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:41" (1/1) ... [2022-11-21 22:58:41,284 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:41" (1/1) ... [2022-11-21 22:58:41,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:41" (1/1) ... [2022-11-21 22:58:41,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:58:41,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:58:41,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:58:41,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:58:41,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:41" (1/1) ... [2022-11-21 22:58:41,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:58:41,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d3d56-c173-49f5-abd2-cda298b1a31c/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:58:41,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d3d56-c173-49f5-abd2-cda298b1a31c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:58:41,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d3d56-c173-49f5-abd2-cda298b1a31c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:58:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 22:58:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 22:58:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 22:58:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:58:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:58:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:58:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 22:58:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:58:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:58:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:58:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:58:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:58:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:58:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:58:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:58:41,523 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:58:41,525 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:58:41,782 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:58:41,826 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:58:41,826 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:58:41,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:58:41 BoogieIcfgContainer [2022-11-21 22:58:41,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:58:41,830 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:58:41,830 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:58:41,841 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:58:41,841 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:58:41" (1/1) ... [2022-11-21 22:58:41,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:58:41,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:58:41,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2022-11-21 22:58:41,922 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-11-21 22:58:41,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:58:41,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:58:41,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:58:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:58:42,428 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 22:58:42,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:58:42,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2022-11-21 22:58:42,510 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-11-21 22:58:42,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:58:42,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:58:42,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:58:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:58:42,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:58:42,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:58:42,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2022-11-21 22:58:42,604 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-11-21 22:58:42,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 22:58:42,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:58:42,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:58:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:58:42,775 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 22:58:42,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:58:42,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2022-11-21 22:58:42,815 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-11-21 22:58:42,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:58:42,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:58:42,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:58:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:58:42,948 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 22:58:43,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:58:43,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2022-11-21 22:58:43,023 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-11-21 22:58:43,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:58:43,023 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-11-21 22:58:43,033 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 22:58:43,066 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:58:43,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:58:43 ImpRootNode [2022-11-21 22:58:43,073 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:58:43,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:58:43,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:58:43,075 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:58:43,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:58:41" (3/4) ... [2022-11-21 22:58:43,082 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:58:43,088 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 22:58:43,088 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 22:58:43,095 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2022-11-21 22:58:43,095 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-21 22:58:43,096 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 22:58:43,097 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:58:43,149 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d3d56-c173-49f5-abd2-cda298b1a31c/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:58:43,149 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:58:43,150 INFO L158 Benchmark]: Toolchain (without parser) took 3253.63ms. Allocated memory is still 144.7MB. Free memory was 113.2MB in the beginning and 83.1MB in the end (delta: 30.1MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2022-11-21 22:58:43,150 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 119.5MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:58:43,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1246.78ms. Allocated memory is still 144.7MB. Free memory was 113.2MB in the beginning and 49.9MB in the end (delta: 63.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-21 22:58:43,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.67ms. Allocated memory is still 144.7MB. Free memory was 49.9MB in the beginning and 113.5MB in the end (delta: -63.6MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2022-11-21 22:58:43,152 INFO L158 Benchmark]: Boogie Preprocessor took 45.11ms. Allocated memory is still 144.7MB. Free memory was 113.5MB in the beginning and 112.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:58:43,152 INFO L158 Benchmark]: RCFGBuilder took 539.93ms. Allocated memory is still 144.7MB. Free memory was 112.2MB in the beginning and 92.5MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:58:43,153 INFO L158 Benchmark]: CodeCheck took 1243.23ms. Allocated memory is still 144.7MB. Free memory was 92.5MB in the beginning and 86.2MB in the end (delta: 6.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-11-21 22:58:43,153 INFO L158 Benchmark]: Witness Printer took 74.52ms. Allocated memory is still 144.7MB. Free memory was 86.2MB in the beginning and 83.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:58:43,155 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, 29 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 58 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 356 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1599]: 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1592]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 119.5MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1246.78ms. Allocated memory is still 144.7MB. Free memory was 113.2MB in the beginning and 49.9MB in the end (delta: 63.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.67ms. Allocated memory is still 144.7MB. Free memory was 49.9MB in the beginning and 113.5MB in the end (delta: -63.6MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.11ms. Allocated memory is still 144.7MB. Free memory was 113.5MB in the beginning and 112.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 539.93ms. Allocated memory is still 144.7MB. Free memory was 112.2MB in the beginning and 92.5MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1243.23ms. Allocated memory is still 144.7MB. Free memory was 92.5MB in the beginning and 86.2MB in the end (delta: 6.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Witness Printer took 74.52ms. Allocated memory is still 144.7MB. Free memory was 86.2MB in the beginning and 83.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:58:43,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d3d56-c173-49f5-abd2-cda298b1a31c/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