./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_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_66cdc84a-c4b0-4b75-9d54-712e6dee420c/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66cdc84a-c4b0-4b75-9d54-712e6dee420c/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_66cdc84a-c4b0-4b75-9d54-712e6dee420c/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66cdc84a-c4b0-4b75-9d54-712e6dee420c/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66cdc84a-c4b0-4b75-9d54-712e6dee420c/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_66cdc84a-c4b0-4b75-9d54-712e6dee420c/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 f6a51749a6e1c73565cfd424c00e8eb680a28da8a6e3b4057212028f15c386aa --- 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 23:50:19,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:50:19,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:50:19,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:50:19,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:50:19,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:50:19,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:50:19,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:50:19,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:50:19,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:50:19,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:50:19,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:50:19,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:50:19,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:50:19,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:50:19,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:50:19,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:50:19,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:50:19,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:50:19,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:50:19,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:50:19,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:50:19,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:50:19,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:50:19,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:50:19,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:50:19,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:50:19,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:50:19,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:50:19,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:50:19,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:50:19,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:50:19,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:50:19,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:50:19,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:50:19,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:50:19,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:50:19,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:50:19,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:50:19,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:50:19,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:50:19,809 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66cdc84a-c4b0-4b75-9d54-712e6dee420c/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:50:19,829 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:50:19,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:50:19,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:50:19,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:50:19,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:50:19,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:50:19,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:50:19,832 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:50:19,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:50:19,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:50:19,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:50:19,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:50:19,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:50:19,834 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:50:19,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:50:19,834 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:50:19,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:50:19,834 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:50:19,835 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:50:19,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:50:19,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:50:19,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:50:19,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:50:19,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:50:19,836 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:50:19,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:50:19,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:50:19,837 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_66cdc84a-c4b0-4b75-9d54-712e6dee420c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66cdc84a-c4b0-4b75-9d54-712e6dee420c/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6a51749a6e1c73565cfd424c00e8eb680a28da8a6e3b4057212028f15c386aa [2022-11-21 23:50:20,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:50:20,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:50:20,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:50:20,120 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:50:20,121 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:50:20,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66cdc84a-c4b0-4b75-9d54-712e6dee420c/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_good.i [2022-11-21 23:50:23,259 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:50:23,698 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:50:23,698 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66cdc84a-c4b0-4b75-9d54-712e6dee420c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_67_good.i [2022-11-21 23:50:23,717 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66cdc84a-c4b0-4b75-9d54-712e6dee420c/bin/ukojak-jW3SillKbg/data/18e25ab96/672d2e14b992483d8bc6cc0cb07494e7/FLAG5cd755148 [2022-11-21 23:50:23,733 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66cdc84a-c4b0-4b75-9d54-712e6dee420c/bin/ukojak-jW3SillKbg/data/18e25ab96/672d2e14b992483d8bc6cc0cb07494e7 [2022-11-21 23:50:23,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:50:23,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:50:23,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:50:23,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:50:23,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:50:23,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:50:23" (1/1) ... [2022-11-21 23:50:23,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777672ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:23, skipping insertion in model container [2022-11-21 23:50:23,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:50:23" (1/1) ... [2022-11-21 23:50:23,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:50:23,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:50:24,208 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:50:24,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:50:24,851 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:50:24,884 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:50:25,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:50:25,135 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:50:25,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:25 WrapperNode [2022-11-21 23:50:25,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:50:25,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:50:25,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:50:25,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:50:25,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:25" (1/1) ... [2022-11-21 23:50:25,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:25" (1/1) ... [2022-11-21 23:50:25,201 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 89 [2022-11-21 23:50:25,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:50:25,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:50:25,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:50:25,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:50:25,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:25" (1/1) ... [2022-11-21 23:50:25,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:25" (1/1) ... [2022-11-21 23:50:25,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:25" (1/1) ... [2022-11-21 23:50:25,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:25" (1/1) ... [2022-11-21 23:50:25,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:25" (1/1) ... [2022-11-21 23:50:25,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:25" (1/1) ... [2022-11-21 23:50:25,271 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:25" (1/1) ... [2022-11-21 23:50:25,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:25" (1/1) ... [2022-11-21 23:50:25,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:50:25,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:50:25,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:50:25,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:50:25,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:25" (1/1) ... [2022-11-21 23:50:25,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:50:25,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66cdc84a-c4b0-4b75-9d54-712e6dee420c/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:50:25,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66cdc84a-c4b0-4b75-9d54-712e6dee420c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:50:25,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66cdc84a-c4b0-4b75-9d54-712e6dee420c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:50:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:50:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:50:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 23:50:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:50:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:50:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:50:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 23:50:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:50:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:50:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:50:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:50:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:50:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:50:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:50:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:50:25,547 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:50:25,549 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:50:25,767 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:50:25,827 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:50:25,827 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:50:25,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:25 BoogieIcfgContainer [2022-11-21 23:50:25,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:50:25,831 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:50:25,832 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:50:25,842 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:50:25,842 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:25" (1/1) ... [2022-11-21 23:50:25,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:50:25,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:25,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2022-11-21 23:50:25,933 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-11-21 23:50:25,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:50:25,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:25,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:26,407 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 23:50:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:26,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-21 23:50:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-21 23:50:26,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:50:26,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:26,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:26,660 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 23:50:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:26,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-21 23:50:26,697 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-21 23:50:26,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:50:26,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:26,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:26,776 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 23:50:26,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:26,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-11-21 23:50:26,802 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-11-21 23:50:26,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:50:26,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:26,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:27,097 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 23:50:27,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:27,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2022-11-21 23:50:27,227 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-11-21 23:50:27,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:50:27,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:27,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:27,503 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 23:50:27,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 28 transitions. [2022-11-21 23:50:27,571 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-11-21 23:50:27,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:50:27,572 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-11-21 23:50:27,581 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 23:50:27,617 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:50:27,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:50:27 ImpRootNode [2022-11-21 23:50:27,624 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:50:27,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:50:27,626 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:50:27,627 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:50:27,628 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:25" (3/4) ... [2022-11-21 23:50:27,644 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:50:27,650 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:50:27,650 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:50:27,664 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2022-11-21 23:50:27,667 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-21 23:50:27,667 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:50:27,667 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:50:27,741 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66cdc84a-c4b0-4b75-9d54-712e6dee420c/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:50:27,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:50:27,742 INFO L158 Benchmark]: Toolchain (without parser) took 4004.53ms. Allocated memory was 165.7MB in the beginning and 216.0MB in the end (delta: 50.3MB). Free memory was 118.6MB in the beginning and 134.2MB in the end (delta: -15.6MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2022-11-21 23:50:27,742 INFO L158 Benchmark]: CDTParser took 1.34ms. Allocated memory is still 115.3MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:50:27,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1396.47ms. Allocated memory is still 165.7MB. Free memory was 118.6MB in the beginning and 97.7MB in the end (delta: 20.9MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2022-11-21 23:50:27,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.64ms. Allocated memory is still 165.7MB. Free memory was 96.8MB in the beginning and 94.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:50:27,744 INFO L158 Benchmark]: Boogie Preprocessor took 73.95ms. Allocated memory is still 165.7MB. Free memory was 94.4MB in the beginning and 92.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:50:27,744 INFO L158 Benchmark]: RCFGBuilder took 553.85ms. Allocated memory is still 165.7MB. Free memory was 92.6MB in the beginning and 73.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 23:50:27,744 INFO L158 Benchmark]: CodeCheck took 1793.19ms. Allocated memory was 165.7MB in the beginning and 216.0MB in the end (delta: 50.3MB). Free memory was 73.4MB in the beginning and 137.4MB in the end (delta: -64.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:50:27,745 INFO L158 Benchmark]: Witness Printer took 115.50ms. Allocated memory is still 216.0MB. Free memory was 137.4MB in the beginning and 134.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:50:27,746 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, 27 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 165 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 82 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 76 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 434 GetRequests, 416 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 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: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: 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 1.34ms. Allocated memory is still 115.3MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1396.47ms. Allocated memory is still 165.7MB. Free memory was 118.6MB in the beginning and 97.7MB in the end (delta: 20.9MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.64ms. Allocated memory is still 165.7MB. Free memory was 96.8MB in the beginning and 94.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.95ms. Allocated memory is still 165.7MB. Free memory was 94.4MB in the beginning and 92.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 553.85ms. Allocated memory is still 165.7MB. Free memory was 92.6MB in the beginning and 73.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1793.19ms. Allocated memory was 165.7MB in the beginning and 216.0MB in the end (delta: 50.3MB). Free memory was 73.4MB in the beginning and 137.4MB in the end (delta: -64.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 115.50ms. Allocated memory is still 216.0MB. Free memory was 137.4MB in the beginning and 134.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:50:27,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66cdc84a-c4b0-4b75-9d54-712e6dee420c/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