./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_bb5b8332-c469-4536-a6a6-785f08042609/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb5b8332-c469-4536-a6a6-785f08042609/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_bb5b8332-c469-4536-a6a6-785f08042609/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb5b8332-c469-4536-a6a6-785f08042609/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb5b8332-c469-4536-a6a6-785f08042609/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_bb5b8332-c469-4536-a6a6-785f08042609/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 f81b0cde35a679238de645d3da8bb515a2b28eea0ad5084b01f82295182f6f8b --- 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 17:03:45,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:03:45,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:03:45,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:03:45,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:03:45,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:03:45,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:03:45,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:03:45,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:03:45,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:03:45,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:03:45,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:03:45,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:03:45,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:03:45,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:03:45,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:03:45,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:03:45,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:03:45,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:03:45,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:03:45,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:03:45,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:03:45,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:03:45,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:03:45,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:03:45,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:03:45,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:03:45,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:03:45,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:03:45,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:03:45,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:03:45,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:03:45,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:03:45,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:03:45,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:03:45,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:03:45,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:03:45,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:03:45,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:03:45,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:03:45,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:03:45,849 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb5b8332-c469-4536-a6a6-785f08042609/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:03:45,889 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:03:45,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:03:45,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:03:45,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:03:45,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:03:45,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:03:45,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:03:45,903 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:03:45,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:03:45,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:03:45,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:03:45,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:03:45,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:03:45,906 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:03:45,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:03:45,906 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:03:45,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:03:45,907 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:03:45,907 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:03:45,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:03:45,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:03:45,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:03:45,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:03:45,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:03:45,909 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:03:45,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:03:45,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:03:45,909 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_bb5b8332-c469-4536-a6a6-785f08042609/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb5b8332-c469-4536-a6a6-785f08042609/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81b0cde35a679238de645d3da8bb515a2b28eea0ad5084b01f82295182f6f8b [2022-11-20 17:03:46,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:03:46,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:03:46,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:03:46,256 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:03:46,257 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:03:46,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb5b8332-c469-4536-a6a6-785f08042609/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_17_good.i [2022-11-20 17:03:49,188 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:03:49,597 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:03:49,597 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb5b8332-c469-4536-a6a6-785f08042609/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_17_good.i [2022-11-20 17:03:49,633 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb5b8332-c469-4536-a6a6-785f08042609/bin/ukojak-pZX7IvK2PQ/data/a3a18ee3f/233349fee76c4344b1a38e45bc4f9f9e/FLAGa7c833656 [2022-11-20 17:03:49,654 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb5b8332-c469-4536-a6a6-785f08042609/bin/ukojak-pZX7IvK2PQ/data/a3a18ee3f/233349fee76c4344b1a38e45bc4f9f9e [2022-11-20 17:03:49,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:03:49,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:03:49,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:03:49,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:03:49,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:03:49,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:03:49" (1/1) ... [2022-11-20 17:03:49,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e8d6c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:49, skipping insertion in model container [2022-11-20 17:03:49,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:03:49" (1/1) ... [2022-11-20 17:03:49,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:03:49,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:03:50,098 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:03:50,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:03:50,672 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:03:50,691 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:03:50,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:03:50,922 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:03:50,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:50 WrapperNode [2022-11-20 17:03:50,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:03:50,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:03:50,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:03:50,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:03:50,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:50" (1/1) ... [2022-11-20 17:03:50,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:50" (1/1) ... [2022-11-20 17:03:50,984 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 90 [2022-11-20 17:03:50,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:03:50,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:03:50,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:03:50,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:03:50,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:50" (1/1) ... [2022-11-20 17:03:50,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:50" (1/1) ... [2022-11-20 17:03:50,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:50" (1/1) ... [2022-11-20 17:03:50,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:50" (1/1) ... [2022-11-20 17:03:51,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:50" (1/1) ... [2022-11-20 17:03:51,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:50" (1/1) ... [2022-11-20 17:03:51,037 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:50" (1/1) ... [2022-11-20 17:03:51,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:50" (1/1) ... [2022-11-20 17:03:51,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:03:51,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:03:51,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:03:51,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:03:51,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:50" (1/1) ... [2022-11-20 17:03:51,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:03:51,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb5b8332-c469-4536-a6a6-785f08042609/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:03:51,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb5b8332-c469-4536-a6a6-785f08042609/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:03:51,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb5b8332-c469-4536-a6a6-785f08042609/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:03:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:03:51,163 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:03:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:03:51,165 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:03:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:03:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:03:51,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:03:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:03:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:03:51,384 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:03:51,388 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:03:51,571 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:03:51,616 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:03:51,616 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 17:03:51,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:03:51 BoogieIcfgContainer [2022-11-20 17:03:51,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:03:51,630 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:03:51,630 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:03:51,642 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:03:51,643 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:03:51" (1/1) ... [2022-11-20 17:03:51,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:03:51,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:51,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-11-20 17:03:51,713 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-11-20 17:03:51,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:03:51,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:51,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:51,980 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 17:03:52,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:52,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2022-11-20 17:03:52,063 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-11-20 17:03:52,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:03:52,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:52,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:52,180 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 17:03:52,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:52,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2022-11-20 17:03:52,199 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-11-20 17:03:52,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:03:52,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:52,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:52,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:03:52,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:52,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2022-11-20 17:03:52,395 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-11-20 17:03:52,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:03:52,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:52,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:03:52,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:52,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2022-11-20 17:03:52,659 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-11-20 17:03:52,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:03:52,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:52,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:03:52,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:52,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2022-11-20 17:03:52,905 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-11-20 17:03:52,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:03:52,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:52,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:53,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:03:53,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:53,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2022-11-20 17:03:53,088 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2022-11-20 17:03:53,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:03:53,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:53,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:03:53,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:53,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 51 states and 62 transitions. [2022-11-20 17:03:53,212 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2022-11-20 17:03:53,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:03:53,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:53,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:53,288 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:03:53,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:53,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 65 transitions. [2022-11-20 17:03:53,486 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2022-11-20 17:03:53,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:03:53,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:53,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:53,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:03:53,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:53,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 56 states and 68 transitions. [2022-11-20 17:03:53,697 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2022-11-20 17:03:53,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:03:53,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:53,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:53,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:03:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:53,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 57 states and 69 transitions. [2022-11-20 17:03:53,777 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2022-11-20 17:03:53,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:03:53,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:53,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:53,867 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:03:54,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:54,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 44 transitions. [2022-11-20 17:03:54,040 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-11-20 17:03:54,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:03:54,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:54,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:03:54,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:54,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 38 transitions. [2022-11-20 17:03:54,226 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2022-11-20 17:03:54,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:03:54,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:54,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:03:54,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:54,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 42 transitions. [2022-11-20 17:03:54,620 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-11-20 17:03:54,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:03:54,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:54,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:03:55,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:55,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 47 transitions. [2022-11-20 17:03:55,188 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-11-20 17:03:55,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:03:55,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:55,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:03:55,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:55,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 57 transitions. [2022-11-20 17:03:55,802 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-11-20 17:03:55,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:03:55,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:55,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:55,870 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:03:55,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:55,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 60 transitions. [2022-11-20 17:03:55,900 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-11-20 17:03:55,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:03:55,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:55,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:55,955 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:03:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 65 transitions. [2022-11-20 17:03:56,336 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2022-11-20 17:03:56,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:03:56,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:56,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:56,423 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:03:56,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:56,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 69 transitions. [2022-11-20 17:03:56,774 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2022-11-20 17:03:56,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 17:03:56,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:56,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:56,874 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:03:57,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:57,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 33 states and 34 transitions. [2022-11-20 17:03:57,185 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2022-11-20 17:03:57,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:03:57,186 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2022-11-20 17:03:57,194 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-20 17:03:57,304 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:03:57,308 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-11-20 17:03:57,315 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-11-20 17:03:57,316 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:03:57,316 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:03:57,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:03:57 ImpRootNode [2022-11-20 17:03:57,317 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:03:57,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:03:57,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:03:57,318 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:03:57,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:03:51" (3/4) ... [2022-11-20 17:03:57,323 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:03:57,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:03:57,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:03:57,339 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 17:03:57,340 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 17:03:57,340 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:03:57,340 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:03:57,402 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb5b8332-c469-4536-a6a6-785f08042609/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:03:57,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:03:57,405 INFO L158 Benchmark]: Toolchain (without parser) took 7744.61ms. Allocated memory was 172.0MB in the beginning and 218.1MB in the end (delta: 46.1MB). Free memory was 135.2MB in the beginning and 107.1MB in the end (delta: 28.0MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. [2022-11-20 17:03:57,409 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 172.0MB. Free memory was 142.5MB in the beginning and 142.3MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:03:57,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1262.75ms. Allocated memory is still 172.0MB. Free memory was 135.2MB in the beginning and 72.9MB in the end (delta: 62.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-20 17:03:57,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.72ms. Allocated memory is still 172.0MB. Free memory was 72.9MB in the beginning and 69.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:03:57,410 INFO L158 Benchmark]: Boogie Preprocessor took 55.45ms. Allocated memory is still 172.0MB. Free memory was 69.8MB in the beginning and 140.8MB in the end (delta: -71.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-11-20 17:03:57,411 INFO L158 Benchmark]: RCFGBuilder took 587.82ms. Allocated memory was 172.0MB in the beginning and 218.1MB in the end (delta: 46.1MB). Free memory was 140.7MB in the beginning and 173.0MB in the end (delta: -32.4MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-11-20 17:03:57,411 INFO L158 Benchmark]: CodeCheck took 5687.01ms. Allocated memory is still 218.1MB. Free memory was 173.0MB in the beginning and 111.2MB in the end (delta: 61.8MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2022-11-20 17:03:57,412 INFO L158 Benchmark]: Witness Printer took 85.29ms. Allocated memory is still 218.1MB. Free memory was 111.2MB in the beginning and 107.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:03:57,414 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, 12 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1205 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 487 mSDsluCounter, 551 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 636 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2218 IncrementalHoareTripleChecker+Invalid, 2854 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 636 mSolverCounterUnsat, 371 mSDtfsCounter, 2218 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2836 GetRequests, 2736 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3124 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 406 NumberOfCodeBlocks, 406 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 711 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 15 PerfectInterpolantSequences, 85/89 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1597]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (1 <= i && data + 2147483648 <= 0) || i == 0 - InvariantResult [Line: 1575]: Loop Invariant Derived loop invariant: h == 0 || ((1 <= h && data + 2 <= 0) && 0 <= data + 2) - InvariantResult [Line: 1579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 172.0MB. Free memory was 142.5MB in the beginning and 142.3MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1262.75ms. Allocated memory is still 172.0MB. Free memory was 135.2MB in the beginning and 72.9MB in the end (delta: 62.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.72ms. Allocated memory is still 172.0MB. Free memory was 72.9MB in the beginning and 69.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.45ms. Allocated memory is still 172.0MB. Free memory was 69.8MB in the beginning and 140.8MB in the end (delta: -71.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * RCFGBuilder took 587.82ms. Allocated memory was 172.0MB in the beginning and 218.1MB in the end (delta: 46.1MB). Free memory was 140.7MB in the beginning and 173.0MB in the end (delta: -32.4MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * CodeCheck took 5687.01ms. Allocated memory is still 218.1MB. Free memory was 173.0MB in the beginning and 111.2MB in the end (delta: 61.8MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * Witness Printer took 85.29ms. Allocated memory is still 218.1MB. Free memory was 111.2MB in the beginning and 107.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:03:57,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb5b8332-c469-4536-a6a6-785f08042609/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE