./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_02_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_94f691f9-1470-4958-87cf-8bf9c986092b/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f691f9-1470-4958-87cf-8bf9c986092b/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_94f691f9-1470-4958-87cf-8bf9c986092b/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f691f9-1470-4958-87cf-8bf9c986092b/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f691f9-1470-4958-87cf-8bf9c986092b/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_94f691f9-1470-4958-87cf-8bf9c986092b/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 c711921b1c30eb9c30b50365263bbeab75ad6f55ea7e7ccf25ab387cd5e70414 --- 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 17:37:53,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:37:53,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:37:53,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:37:53,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:37:53,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:37:53,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:37:53,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:37:53,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:37:53,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:37:53,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:37:53,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:37:53,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:37:53,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:37:53,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:37:53,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:37:53,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:37:53,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:37:53,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:37:53,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:37:53,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:37:53,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:37:53,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:37:53,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:37:53,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:37:53,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:37:53,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:37:53,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:37:53,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:37:53,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:37:53,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:37:53,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:37:53,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:37:53,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:37:53,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:37:53,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:37:53,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:37:53,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:37:53,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:37:53,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:37:53,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:37:53,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f691f9-1470-4958-87cf-8bf9c986092b/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:37:53,819 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:37:53,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:37:53,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:37:53,821 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:37:53,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:37:53,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:37:53,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:37:53,822 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:37:53,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:37:53,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:37:53,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:37:53,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:37:53,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:37:53,824 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:37:53,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:37:53,824 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:37:53,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:37:53,825 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:37:53,825 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:37:53,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:37:53,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:37:53,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:37:53,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:37:53,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:37:53,827 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:37:53,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:37:53,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:37:53,827 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_94f691f9-1470-4958-87cf-8bf9c986092b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f691f9-1470-4958-87cf-8bf9c986092b/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c711921b1c30eb9c30b50365263bbeab75ad6f55ea7e7ccf25ab387cd5e70414 [2022-11-20 17:37:54,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:37:54,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:37:54,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:37:54,150 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:37:54,150 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:37:54,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f691f9-1470-4958-87cf-8bf9c986092b/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_02_good.i [2022-11-20 17:37:57,202 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:37:57,624 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:37:57,630 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f691f9-1470-4958-87cf-8bf9c986092b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_02_good.i [2022-11-20 17:37:57,658 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f691f9-1470-4958-87cf-8bf9c986092b/bin/ukojak-pZX7IvK2PQ/data/1736ae6ba/2256808aba34414d9cb192781e3a5132/FLAG185ffbec0 [2022-11-20 17:37:57,673 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f691f9-1470-4958-87cf-8bf9c986092b/bin/ukojak-pZX7IvK2PQ/data/1736ae6ba/2256808aba34414d9cb192781e3a5132 [2022-11-20 17:37:57,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:37:57,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:37:57,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:37:57,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:37:57,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:37:57,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:37:57" (1/1) ... [2022-11-20 17:37:57,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a8890ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:57, skipping insertion in model container [2022-11-20 17:37:57,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:37:57" (1/1) ... [2022-11-20 17:37:57,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:37:57,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:37:58,262 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:37:58,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:37:58,923 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:37:58,955 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:37:59,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:37:59,150 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:37:59,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:59 WrapperNode [2022-11-20 17:37:59,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:37:59,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:37:59,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:37:59,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:37:59,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:59" (1/1) ... [2022-11-20 17:37:59,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:59" (1/1) ... [2022-11-20 17:37:59,230 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2022-11-20 17:37:59,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:37:59,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:37:59,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:37:59,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:37:59,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:59" (1/1) ... [2022-11-20 17:37:59,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:59" (1/1) ... [2022-11-20 17:37:59,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:59" (1/1) ... [2022-11-20 17:37:59,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:59" (1/1) ... [2022-11-20 17:37:59,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:59" (1/1) ... [2022-11-20 17:37:59,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:59" (1/1) ... [2022-11-20 17:37:59,288 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:59" (1/1) ... [2022-11-20 17:37:59,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:59" (1/1) ... [2022-11-20 17:37:59,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:37:59,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:37:59,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:37:59,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:37:59,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:59" (1/1) ... [2022-11-20 17:37:59,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:37:59,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f691f9-1470-4958-87cf-8bf9c986092b/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:37:59,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f691f9-1470-4958-87cf-8bf9c986092b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:37:59,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f691f9-1470-4958-87cf-8bf9c986092b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:37:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:37:59,378 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:37:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:37:59,379 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:37:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:37:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:37:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:37:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:37:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:37:59,601 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:37:59,603 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:37:59,898 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:38:00,031 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:38:00,032 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 17:38:00,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:00 BoogieIcfgContainer [2022-11-20 17:38:00,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:38:00,035 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:38:00,035 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:38:00,045 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:38:00,046 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:00" (1/1) ... [2022-11-20 17:38:00,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:38:00,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:00,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2022-11-20 17:38:00,120 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2022-11-20 17:38:00,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:38:00,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:00,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:00,566 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 17:38:00,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:00,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 54 transitions. [2022-11-20 17:38:00,604 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2022-11-20 17:38:00,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:38:00,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:00,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:00,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:00,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:00,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 53 transitions. [2022-11-20 17:38:00,868 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2022-11-20 17:38:00,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:38:00,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:00,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:01,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:38:01,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:01,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 51 transitions. [2022-11-20 17:38:01,119 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-11-20 17:38:01,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:38:01,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:01,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:01,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:38:01,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:01,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 50 transitions. [2022-11-20 17:38:01,452 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2022-11-20 17:38:01,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:38:01,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:01,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:01,604 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:38:01,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:01,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 45 transitions. [2022-11-20 17:38:01,688 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-20 17:38:01,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:38:01,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:01,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:01,794 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:38:01,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:01,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 44 transitions. [2022-11-20 17:38:01,816 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-11-20 17:38:01,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:38:01,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:01,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:01,960 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:38:02,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:02,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 42 transitions. [2022-11-20 17:38:02,034 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-11-20 17:38:02,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:38:02,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:02,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:02,114 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:38:02,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:02,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 41 transitions. [2022-11-20 17:38:02,128 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-11-20 17:38:02,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:38:02,129 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-20 17:38:02,138 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 17:38:02,184 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:38:02,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:38:02 ImpRootNode [2022-11-20 17:38:02,190 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:38:02,190 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:38:02,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:38:02,191 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:38:02,191 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:00" (3/4) ... [2022-11-20 17:38:02,194 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:38:02,200 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:38:02,201 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:38:02,206 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-20 17:38:02,206 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 17:38:02,207 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:38:02,207 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:38:02,259 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f691f9-1470-4958-87cf-8bf9c986092b/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:38:02,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:38:02,259 INFO L158 Benchmark]: Toolchain (without parser) took 4581.49ms. Allocated memory is still 159.4MB. Free memory was 124.1MB in the beginning and 51.3MB in the end (delta: 72.8MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2022-11-20 17:38:02,260 INFO L158 Benchmark]: CDTParser took 1.34ms. Allocated memory is still 130.0MB. Free memory was 71.9MB in the beginning and 71.8MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:38:02,260 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1469.66ms. Allocated memory is still 159.4MB. Free memory was 124.1MB in the beginning and 64.1MB in the end (delta: 60.1MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-20 17:38:02,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.39ms. Allocated memory is still 159.4MB. Free memory was 64.1MB in the beginning and 60.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:38:02,261 INFO L158 Benchmark]: Boogie Preprocessor took 61.08ms. Allocated memory is still 159.4MB. Free memory was 60.6MB in the beginning and 59.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:38:02,261 INFO L158 Benchmark]: RCFGBuilder took 741.51ms. Allocated memory is still 159.4MB. Free memory was 59.1MB in the beginning and 103.1MB in the end (delta: -44.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-11-20 17:38:02,262 INFO L158 Benchmark]: CodeCheck took 2154.47ms. Allocated memory is still 159.4MB. Free memory was 103.1MB in the beginning and 55.5MB in the end (delta: 47.7MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2022-11-20 17:38:02,262 INFO L158 Benchmark]: Witness Printer took 68.73ms. Allocated memory is still 159.4MB. Free memory was 55.5MB in the beginning and 51.3MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:38:02,264 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, 44 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 401 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 198 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 135 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 295 IncrementalHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 135 mSolverCounterUnsat, 176 mSDtfsCounter, 295 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 935 GetRequests, 911 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 28/28 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1646]: 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 130.0MB. Free memory was 71.9MB in the beginning and 71.8MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1469.66ms. Allocated memory is still 159.4MB. Free memory was 124.1MB in the beginning and 64.1MB in the end (delta: 60.1MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.39ms. Allocated memory is still 159.4MB. Free memory was 64.1MB in the beginning and 60.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.08ms. Allocated memory is still 159.4MB. Free memory was 60.6MB in the beginning and 59.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 741.51ms. Allocated memory is still 159.4MB. Free memory was 59.1MB in the beginning and 103.1MB in the end (delta: -44.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * CodeCheck took 2154.47ms. Allocated memory is still 159.4MB. Free memory was 103.1MB in the beginning and 55.5MB in the end (delta: 47.7MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * Witness Printer took 68.73ms. Allocated memory is still 159.4MB. Free memory was 55.5MB in the beginning and 51.3MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:38:02,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94f691f9-1470-4958-87cf-8bf9c986092b/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