./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_41_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9125914f-19e3-4db2-8e2f-e240d74daa90/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9125914f-19e3-4db2-8e2f-e240d74daa90/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9125914f-19e3-4db2-8e2f-e240d74daa90/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9125914f-19e3-4db2-8e2f-e240d74daa90/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_41_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9125914f-19e3-4db2-8e2f-e240d74daa90/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9125914f-19e3-4db2-8e2f-e240d74daa90/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 69655d6c80119f0c9e558d78b78ddb933a5994c5f1b0e924534a46c9ec1d14b4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:01:49,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:01:49,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:01:49,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:01:49,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:01:49,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:01:49,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:01:49,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:01:49,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:01:49,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:01:49,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:01:49,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:01:49,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:01:49,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:01:49,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:01:49,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:01:49,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:01:49,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:01:49,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:01:49,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:01:49,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:01:49,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:01:49,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:01:49,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:01:49,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:01:49,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:01:49,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:01:49,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:01:49,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:01:49,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:01:49,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:01:49,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:01:49,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:01:49,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:01:49,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:01:49,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:01:49,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:01:49,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:01:49,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:01:49,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:01:49,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:01:49,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9125914f-19e3-4db2-8e2f-e240d74daa90/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:01:49,799 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:01:49,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:01:49,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:01:49,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:01:49,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:01:49,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:01:49,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:01:49,809 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:01:49,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:01:49,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:01:49,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:01:49,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:01:49,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:01:49,811 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:01:49,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:01:49,811 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:01:49,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:01:49,811 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:01:49,812 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:01:49,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:01:49,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:01:49,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:01:49,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:01:49,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:01:49,813 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:01:49,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:01:49,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:01:49,814 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_9125914f-19e3-4db2-8e2f-e240d74daa90/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9125914f-19e3-4db2-8e2f-e240d74daa90/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69655d6c80119f0c9e558d78b78ddb933a5994c5f1b0e924534a46c9ec1d14b4 [2022-11-20 17:01:50,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:01:50,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:01:50,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:01:50,196 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:01:50,196 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:01:50,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9125914f-19e3-4db2-8e2f-e240d74daa90/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_41_good.i [2022-11-20 17:01:53,248 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:01:53,635 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:01:53,635 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9125914f-19e3-4db2-8e2f-e240d74daa90/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_41_good.i [2022-11-20 17:01:53,668 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9125914f-19e3-4db2-8e2f-e240d74daa90/bin/ukojak-pZX7IvK2PQ/data/84cb74127/7741e605c32b4af5b41a86a9319644da/FLAG1601f7969 [2022-11-20 17:01:53,686 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9125914f-19e3-4db2-8e2f-e240d74daa90/bin/ukojak-pZX7IvK2PQ/data/84cb74127/7741e605c32b4af5b41a86a9319644da [2022-11-20 17:01:53,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:01:53,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:01:53,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:01:53,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:01:53,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:01:53,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:01:53" (1/1) ... [2022-11-20 17:01:53,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@624479e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:53, skipping insertion in model container [2022-11-20 17:01:53,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:01:53" (1/1) ... [2022-11-20 17:01:53,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:01:53,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:01:54,277 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:01:54,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:01:54,833 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:01:54,869 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:01:54,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:01:55,125 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:01:55,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:55 WrapperNode [2022-11-20 17:01:55,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:01:55,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:01:55,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:01:55,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:01:55,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:55" (1/1) ... [2022-11-20 17:01:55,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:55" (1/1) ... [2022-11-20 17:01:55,253 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 70 [2022-11-20 17:01:55,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:01:55,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:01:55,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:01:55,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:01:55,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:55" (1/1) ... [2022-11-20 17:01:55,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:55" (1/1) ... [2022-11-20 17:01:55,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:55" (1/1) ... [2022-11-20 17:01:55,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:55" (1/1) ... [2022-11-20 17:01:55,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:55" (1/1) ... [2022-11-20 17:01:55,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:55" (1/1) ... [2022-11-20 17:01:55,297 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:55" (1/1) ... [2022-11-20 17:01:55,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:55" (1/1) ... [2022-11-20 17:01:55,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:01:55,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:01:55,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:01:55,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:01:55,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:55" (1/1) ... [2022-11-20 17:01:55,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:01:55,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9125914f-19e3-4db2-8e2f-e240d74daa90/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:01:55,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9125914f-19e3-4db2-8e2f-e240d74daa90/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:01:55,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9125914f-19e3-4db2-8e2f-e240d74daa90/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:01:55,409 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:01:55,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:01:55,409 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:01:55,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:01:55,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:01:55,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:01:55,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:01:55,410 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:01:55,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:01:55,553 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:01:55,558 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:01:55,808 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:01:55,882 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:01:55,883 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:01:55,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:01:55 BoogieIcfgContainer [2022-11-20 17:01:55,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:01:55,886 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:01:55,886 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:01:55,897 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:01:55,897 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:01:55" (1/1) ... [2022-11-20 17:01:55,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:01:55,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-20 17:01:55,962 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-20 17:01:55,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:01:55,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:55,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:56,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:56,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-20 17:01:56,398 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-20 17:01:56,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:01:56,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:56,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:56,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:56,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:56,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-11-20 17:01:56,559 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-11-20 17:01:56,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:01:56,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:56,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:56,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:56,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:56,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-11-20 17:01:56,782 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-11-20 17:01:56,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:01:56,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:56,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:56,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:56,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:56,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-11-20 17:01:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-20 17:01:56,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:01:56,935 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-11-20 17:01:56,942 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:01:56,969 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:01:56,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:01:56 ImpRootNode [2022-11-20 17:01:56,974 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:01:56,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:01:56,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:01:56,976 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:01:56,976 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:01:55" (3/4) ... [2022-11-20 17:01:56,979 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:01:56,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:01:56,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:01:56,989 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-20 17:01:56,989 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-20 17:01:56,990 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:01:56,990 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:01:57,037 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9125914f-19e3-4db2-8e2f-e240d74daa90/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:01:57,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:01:57,039 INFO L158 Benchmark]: Toolchain (without parser) took 3344.78ms. Allocated memory is still 144.7MB. Free memory was 99.0MB in the beginning and 82.4MB in the end (delta: 16.7MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-11-20 17:01:57,039 INFO L158 Benchmark]: CDTParser took 1.31ms. Allocated memory is still 107.0MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:01:57,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1430.43ms. Allocated memory is still 144.7MB. Free memory was 99.0MB in the beginning and 110.6MB in the end (delta: -11.5MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2022-11-20 17:01:57,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.81ms. Allocated memory is still 144.7MB. Free memory was 110.6MB in the beginning and 107.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:01:57,040 INFO L158 Benchmark]: Boogie Preprocessor took 56.92ms. Allocated memory is still 144.7MB. Free memory was 107.0MB in the beginning and 105.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:01:57,041 INFO L158 Benchmark]: RCFGBuilder took 572.38ms. Allocated memory is still 144.7MB. Free memory was 105.6MB in the beginning and 86.1MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:01:57,041 INFO L158 Benchmark]: CodeCheck took 1088.28ms. Allocated memory is still 144.7MB. Free memory was 86.1MB in the beginning and 85.6MB in the end (delta: 491.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:01:57,042 INFO L158 Benchmark]: Witness Printer took 62.86ms. Allocated memory is still 144.7MB. Free memory was 85.6MB in the beginning and 82.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:01:57,044 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, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 41 mSDtfsCounter, 95 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1552]: 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: 1595]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31ms. Allocated memory is still 107.0MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1430.43ms. Allocated memory is still 144.7MB. Free memory was 99.0MB in the beginning and 110.6MB in the end (delta: -11.5MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.81ms. Allocated memory is still 144.7MB. Free memory was 110.6MB in the beginning and 107.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.92ms. Allocated memory is still 144.7MB. Free memory was 107.0MB in the beginning and 105.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 572.38ms. Allocated memory is still 144.7MB. Free memory was 105.6MB in the beginning and 86.1MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 1088.28ms. Allocated memory is still 144.7MB. Free memory was 86.1MB in the beginning and 85.6MB in the end (delta: 491.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.86ms. Allocated memory is still 144.7MB. Free memory was 85.6MB in the beginning and 82.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:01:57,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9125914f-19e3-4db2-8e2f-e240d74daa90/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE