./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_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_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/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_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/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_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/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 51707db04644edd77b44cc564e90c9ff9cb351f5b6bf4302fb00346df50078da --- 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 17:53:53,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:53:53,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:53:53,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:53:53,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:53:53,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:53:53,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:53:53,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:53:53,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:53:53,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:53:53,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:53:53,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:53:53,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:53:53,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:53:53,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:53:53,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:53:53,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:53:53,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:53:53,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:53:53,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:53:53,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:53:53,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:53:53,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:53:53,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:53:53,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:53:53,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:53:53,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:53:53,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:53:53,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:53:53,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:53:53,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:53:53,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:53:53,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:53:53,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:53:53,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:53:53,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:53:53,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:53:53,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:53:53,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:53:53,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:53:53,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:53:53,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:53:53,922 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:53:53,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:53:53,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:53:53,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:53:53,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:53:53,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:53:53,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:53:53,926 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:53:53,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:53:53,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:53:53,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:53:53,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:53:53,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:53:53,928 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:53:53,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:53:53,928 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:53:53,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:53:53,929 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:53:53,929 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:53:53,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:53:53,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:53:53,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:53:53,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:53:53,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:53:53,930 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:53:53,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:53:53,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:53:53,931 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_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51707db04644edd77b44cc564e90c9ff9cb351f5b6bf4302fb00346df50078da [2022-11-20 17:53:54,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:53:54,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:53:54,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:53:54,325 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:53:54,326 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:53:54,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_good.i [2022-11-20 17:53:57,430 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:53:57,838 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:53:57,839 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_good.i [2022-11-20 17:53:57,871 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/bin/ukojak-pZX7IvK2PQ/data/070baf19d/81f1d98bbe054cf3932fe0024edb979b/FLAGb237035fe [2022-11-20 17:53:57,893 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/bin/ukojak-pZX7IvK2PQ/data/070baf19d/81f1d98bbe054cf3932fe0024edb979b [2022-11-20 17:53:57,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:53:57,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:53:57,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:53:57,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:53:57,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:53:57,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:53:57" (1/1) ... [2022-11-20 17:53:57,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30d1eec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:57, skipping insertion in model container [2022-11-20 17:53:57,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:53:57" (1/1) ... [2022-11-20 17:53:57,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:53:57,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:53:58,362 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:53:58,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:53:58,955 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:53:59,008 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:53:59,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:53:59,348 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:53:59,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:59 WrapperNode [2022-11-20 17:53:59,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:53:59,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:53:59,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:53:59,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:53:59,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:59" (1/1) ... [2022-11-20 17:53:59,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:59" (1/1) ... [2022-11-20 17:53:59,458 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 92 [2022-11-20 17:53:59,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:53:59,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:53:59,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:53:59,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:53:59,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:59" (1/1) ... [2022-11-20 17:53:59,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:59" (1/1) ... [2022-11-20 17:53:59,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:59" (1/1) ... [2022-11-20 17:53:59,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:59" (1/1) ... [2022-11-20 17:53:59,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:59" (1/1) ... [2022-11-20 17:53:59,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:59" (1/1) ... [2022-11-20 17:53:59,520 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:59" (1/1) ... [2022-11-20 17:53:59,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:59" (1/1) ... [2022-11-20 17:53:59,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:53:59,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:53:59,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:53:59,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:53:59,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:59" (1/1) ... [2022-11-20 17:53:59,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:53:59,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:53:59,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:53:59,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:53:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:53:59,616 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:53:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:53:59,617 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:53:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:53:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:53:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:53:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:53:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:53:59,852 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:53:59,855 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:54:00,042 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:54:00,086 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:54:00,087 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 17:54:00,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:54:00 BoogieIcfgContainer [2022-11-20 17:54:00,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:54:00,090 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:54:00,091 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:54:00,112 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:54:00,113 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:54:00" (1/1) ... [2022-11-20 17:54:00,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:54:00,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:00,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-11-20 17:54:00,202 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-11-20 17:54:00,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:54:00,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:00,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:00,610 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 17:54:00,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:00,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2022-11-20 17:54:00,708 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-11-20 17:54:00,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:54:00,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:00,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:00,812 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 17:54:00,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:00,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2022-11-20 17:54:00,841 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2022-11-20 17:54:00,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:54:00,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:00,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:00,972 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 17:54:01,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:01,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2022-11-20 17:54:01,037 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2022-11-20 17:54:01,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:54:01,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:01,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:01,136 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 17:54:01,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:01,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-11-20 17:54:01,185 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-11-20 17:54:01,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:54:01,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:01,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:01,277 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 17:54:01,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:01,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 48 states and 59 transitions. [2022-11-20 17:54:01,568 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2022-11-20 17:54:01,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:54:01,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:01,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:01,602 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 17:54:01,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:01,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 49 states and 60 transitions. [2022-11-20 17:54:01,616 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-11-20 17:54:01,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:54:01,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:01,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:01,681 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 17:54:01,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:01,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2022-11-20 17:54:01,775 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-11-20 17:54:01,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:54:01,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:01,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:01,819 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 17:54:01,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:01,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2022-11-20 17:54:01,846 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-11-20 17:54:01,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:54:01,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:01,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:01,938 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 17:54:02,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:02,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2022-11-20 17:54:02,021 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2022-11-20 17:54:02,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:54:02,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:02,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:02,056 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:54:02,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:02,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2022-11-20 17:54:02,256 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2022-11-20 17:54:02,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:54:02,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:02,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:02,299 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 17:54:02,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:02,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2022-11-20 17:54:02,316 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2022-11-20 17:54:02,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:54:02,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:02,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:02,396 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 17:54:02,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:02,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2022-11-20 17:54:02,514 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2022-11-20 17:54:02,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:54:02,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:02,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:02,641 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 17:54:02,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:02,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 38 states and 41 transitions. [2022-11-20 17:54:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2022-11-20 17:54:02,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:54:02,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:02,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:02,902 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 17:54:03,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:03,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 46 transitions. [2022-11-20 17:54:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-11-20 17:54:03,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:54:03,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:03,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:03,323 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 17:54:03,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:03,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 52 transitions. [2022-11-20 17:54:03,842 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-11-20 17:54:03,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:54:03,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:03,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:03,987 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 17:54:04,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:04,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 64 transitions. [2022-11-20 17:54:04,539 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-11-20 17:54:04,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:54:04,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:04,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:04,597 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 17:54:04,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:04,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 67 transitions. [2022-11-20 17:54:04,630 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-11-20 17:54:04,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 17:54:04,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:04,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:04,700 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 17:54:05,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:05,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 72 transitions. [2022-11-20 17:54:05,122 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-11-20 17:54:05,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:54:05,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:05,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:05,193 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:54:05,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:05,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 62 states and 76 transitions. [2022-11-20 17:54:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2022-11-20 17:54:05,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 17:54:05,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:54:05,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:54:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:54:05,677 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:54:05,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:54:05,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 35 states and 36 transitions. [2022-11-20 17:54:05,988 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2022-11-20 17:54:05,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:54:05,989 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-11-20 17:54:05,997 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-20 17:54:06,111 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-11-20 17:54:06,122 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:54:06,122 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:54:06,123 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-11-20 17:54:06,123 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:54:06,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:54:06 ImpRootNode [2022-11-20 17:54:06,124 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:54:06,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:54:06,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:54:06,125 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:54:06,126 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:54:00" (3/4) ... [2022-11-20 17:54:06,129 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:54:06,135 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:54:06,135 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:54:06,139 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 17:54:06,140 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 17:54:06,140 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:54:06,140 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:54:06,187 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:54:06,187 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:54:06,188 INFO L158 Benchmark]: Toolchain (without parser) took 8289.25ms. Allocated memory was 167.8MB in the beginning and 211.8MB in the end (delta: 44.0MB). Free memory was 117.1MB in the beginning and 132.9MB in the end (delta: -15.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 17:54:06,188 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:54:06,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1449.82ms. Allocated memory was 167.8MB in the beginning and 211.8MB in the end (delta: 44.0MB). Free memory was 117.1MB in the beginning and 167.0MB in the end (delta: -49.9MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2022-11-20 17:54:06,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.48ms. Allocated memory is still 211.8MB. Free memory was 167.0MB in the beginning and 162.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:54:06,190 INFO L158 Benchmark]: Boogie Preprocessor took 70.48ms. Allocated memory is still 211.8MB. Free memory was 162.8MB in the beginning and 161.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:54:06,190 INFO L158 Benchmark]: RCFGBuilder took 558.68ms. Allocated memory is still 211.8MB. Free memory was 161.7MB in the beginning and 145.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:54:06,190 INFO L158 Benchmark]: CodeCheck took 6033.68ms. Allocated memory is still 211.8MB. Free memory was 145.0MB in the beginning and 136.1MB in the end (delta: 8.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-11-20 17:54:06,191 INFO L158 Benchmark]: Witness Printer took 62.61ms. Allocated memory is still 211.8MB. Free memory was 136.1MB in the beginning and 132.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:54:06,193 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, 46 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1487 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 613 mSDsluCounter, 526 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 114 mSDsCounter, 671 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2731 IncrementalHoareTripleChecker+Invalid, 3402 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 671 mSolverCounterUnsat, 412 mSDtfsCounter, 2731 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3130 GetRequests, 3028 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3239 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 446 NumberOfCodeBlocks, 446 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 426 ConstructedInterpolants, 0 QuantifiedInterpolants, 814 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 16 PerfectInterpolantSequences, 92/96 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: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: 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: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: 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: 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 - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (1 <= i && data + 2147483648 <= 0) || i == 0 - InvariantResult [Line: 1601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: h == 0 || ((1 <= h && data + 2 <= 0) && 0 <= data + 2) - InvariantResult [Line: 1582]: 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 167.8MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1449.82ms. Allocated memory was 167.8MB in the beginning and 211.8MB in the end (delta: 44.0MB). Free memory was 117.1MB in the beginning and 167.0MB in the end (delta: -49.9MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.48ms. Allocated memory is still 211.8MB. Free memory was 167.0MB in the beginning and 162.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.48ms. Allocated memory is still 211.8MB. Free memory was 162.8MB in the beginning and 161.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 558.68ms. Allocated memory is still 211.8MB. Free memory was 161.7MB in the beginning and 145.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6033.68ms. Allocated memory is still 211.8MB. Free memory was 145.0MB in the beginning and 136.1MB in the end (delta: 8.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Witness Printer took 62.61ms. Allocated memory is still 211.8MB. Free memory was 136.1MB in the beginning and 132.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:54:06,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26cd8d0-ccf8-4b9e-b761-4c5b8f5e2c98/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