./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_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_9791cde8-9d27-4120-950c-2c5d2825f4b0/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791cde8-9d27-4120-950c-2c5d2825f4b0/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_9791cde8-9d27-4120-950c-2c5d2825f4b0/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791cde8-9d27-4120-950c-2c5d2825f4b0/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791cde8-9d27-4120-950c-2c5d2825f4b0/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_9791cde8-9d27-4120-950c-2c5d2825f4b0/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 a61a9f08ef290d06c4c01e1a0b24c49887a6cb6afe6848d02c8515ce13a921d8 --- 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 23:50:41,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:50:41,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:50:41,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:50:41,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:50:41,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:50:41,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:50:41,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:50:41,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:50:41,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:50:42,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:50:42,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:50:42,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:50:42,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:50:42,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:50:42,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:50:42,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:50:42,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:50:42,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:50:42,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:50:42,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:50:42,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:50:42,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:50:42,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:50:42,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:50:42,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:50:42,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:50:42,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:50:42,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:50:42,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:50:42,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:50:42,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:50:42,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:50:42,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:50:42,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:50:42,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:50:42,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:50:42,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:50:42,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:50:42,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:50:42,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:50:42,062 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791cde8-9d27-4120-950c-2c5d2825f4b0/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:50:42,109 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:50:42,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:50:42,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:50:42,125 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:50:42,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:50:42,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:50:42,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:50:42,127 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:50:42,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:50:42,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:50:42,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:50:42,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:50:42,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:50:42,130 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:50:42,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:50:42,131 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:50:42,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:50:42,131 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:50:42,132 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:50:42,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:50:42,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:50:42,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:50:42,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:50:42,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:50:42,133 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:50:42,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:50:42,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:50:42,134 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_9791cde8-9d27-4120-950c-2c5d2825f4b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791cde8-9d27-4120-950c-2c5d2825f4b0/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a61a9f08ef290d06c4c01e1a0b24c49887a6cb6afe6848d02c8515ce13a921d8 [2022-11-21 23:50:42,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:50:42,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:50:42,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:50:42,500 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:50:42,501 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:50:42,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791cde8-9d27-4120-950c-2c5d2825f4b0/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_good.i [2022-11-21 23:50:46,310 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:50:46,758 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:50:46,758 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791cde8-9d27-4120-950c-2c5d2825f4b0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_61_good.i [2022-11-21 23:50:46,783 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791cde8-9d27-4120-950c-2c5d2825f4b0/bin/ukojak-jW3SillKbg/data/cc4519a5c/73a4a5aacc384ec4a3dcc2bd79c009a5/FLAG9eb3572d1 [2022-11-21 23:50:46,903 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791cde8-9d27-4120-950c-2c5d2825f4b0/bin/ukojak-jW3SillKbg/data/cc4519a5c/73a4a5aacc384ec4a3dcc2bd79c009a5 [2022-11-21 23:50:46,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:50:46,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:50:46,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:50:46,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:50:46,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:50:46,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:50:46" (1/1) ... [2022-11-21 23:50:46,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd13e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:46, skipping insertion in model container [2022-11-21 23:50:46,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:50:46" (1/1) ... [2022-11-21 23:50:46,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:50:47,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:50:47,461 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:50:48,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:50:48,411 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:50:48,440 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:50:48,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:50:48,694 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:50:48,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:48 WrapperNode [2022-11-21 23:50:48,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:50:48,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:50:48,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:50:48,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:50:48,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:48" (1/1) ... [2022-11-21 23:50:48,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:48" (1/1) ... [2022-11-21 23:50:48,802 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 84 [2022-11-21 23:50:48,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:50:48,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:50:48,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:50:48,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:50:48,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:48" (1/1) ... [2022-11-21 23:50:48,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:48" (1/1) ... [2022-11-21 23:50:48,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:48" (1/1) ... [2022-11-21 23:50:48,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:48" (1/1) ... [2022-11-21 23:50:48,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:48" (1/1) ... [2022-11-21 23:50:48,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:48" (1/1) ... [2022-11-21 23:50:48,835 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:48" (1/1) ... [2022-11-21 23:50:48,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:48" (1/1) ... [2022-11-21 23:50:48,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:50:48,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:50:48,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:50:48,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:50:48,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:48" (1/1) ... [2022-11-21 23:50:48,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:50:48,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791cde8-9d27-4120-950c-2c5d2825f4b0/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:50:48,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791cde8-9d27-4120-950c-2c5d2825f4b0/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:50:48,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791cde8-9d27-4120-950c-2c5d2825f4b0/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:50:48,974 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:50:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:50:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:50:48,977 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:50:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:50:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:50:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:50:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:50:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:50:49,271 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:50:49,290 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:50:49,611 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:50:49,739 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:50:49,739 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:50:49,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:49 BoogieIcfgContainer [2022-11-21 23:50:49,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:50:49,745 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:50:49,745 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:50:49,760 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:50:49,760 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:49" (1/1) ... [2022-11-21 23:50:49,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:50:49,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:49,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2022-11-21 23:50:49,883 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-21 23:50:49,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:50:49,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:49,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:50,284 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 23:50:50,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:50,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2022-11-21 23:50:50,334 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-21 23:50:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:50:50,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:50,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:50,466 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 23:50:50,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:50,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2022-11-21 23:50:50,564 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-21 23:50:50,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:50:50,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:50,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:50,920 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 23:50:51,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:51,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-11-21 23:50:51,035 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-11-21 23:50:51,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:50:51,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:51,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:50:51,374 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 23:50:51,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:51,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-11-21 23:50:51,455 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-21 23:50:51,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:50:51,456 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-11-21 23:50:51,468 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 23:50:51,503 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:50:51,510 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:50:51,510 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:50:51,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:50:51 ImpRootNode [2022-11-21 23:50:51,511 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:50:51,512 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:50:51,512 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:50:51,513 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:50:51,514 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:49" (3/4) ... [2022-11-21 23:50:51,519 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:50:51,527 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:50:51,528 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:50:51,534 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-21 23:50:51,535 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-21 23:50:51,536 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:50:51,536 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:50:51,603 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791cde8-9d27-4120-950c-2c5d2825f4b0/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:50:51,603 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:50:51,604 INFO L158 Benchmark]: Toolchain (without parser) took 4695.29ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 81.6MB in the beginning and 112.7MB in the end (delta: -31.2MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2022-11-21 23:50:51,605 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 127.9MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:50:51,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1784.46ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 81.2MB in the beginning and 89.7MB in the end (delta: -8.5MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2022-11-21 23:50:51,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.92ms. Allocated memory is still 161.5MB. Free memory was 89.7MB in the beginning and 86.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:50:51,607 INFO L158 Benchmark]: Boogie Preprocessor took 37.36ms. Allocated memory is still 161.5MB. Free memory was 86.3MB in the beginning and 84.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:50:51,608 INFO L158 Benchmark]: RCFGBuilder took 901.52ms. Allocated memory is still 161.5MB. Free memory was 84.6MB in the beginning and 63.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 23:50:51,608 INFO L158 Benchmark]: CodeCheck took 1766.46ms. Allocated memory is still 161.5MB. Free memory was 63.7MB in the beginning and 115.8MB in the end (delta: -52.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:50:51,609 INFO L158 Benchmark]: Witness Printer took 91.18ms. Allocated memory is still 161.5MB. Free memory was 115.8MB in the beginning and 112.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:50:51,612 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, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 32 mSDtfsCounter, 85 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 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: 1555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1568]: 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: 1587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1549]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1585]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 127.9MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1784.46ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 81.2MB in the beginning and 89.7MB in the end (delta: -8.5MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.92ms. Allocated memory is still 161.5MB. Free memory was 89.7MB in the beginning and 86.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.36ms. Allocated memory is still 161.5MB. Free memory was 86.3MB in the beginning and 84.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 901.52ms. Allocated memory is still 161.5MB. Free memory was 84.6MB in the beginning and 63.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 1766.46ms. Allocated memory is still 161.5MB. Free memory was 63.7MB in the beginning and 115.8MB in the end (delta: -52.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 91.18ms. Allocated memory is still 161.5MB. Free memory was 115.8MB in the beginning and 112.7MB 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 23:50:51,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9791cde8-9d27-4120-950c-2c5d2825f4b0/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