./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.12.c --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_96599779-6bd6-4ae8-969b-b564c07061cb/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96599779-6bd6-4ae8-969b-b564c07061cb/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_96599779-6bd6-4ae8-969b-b564c07061cb/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96599779-6bd6-4ae8-969b-b564c07061cb/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96599779-6bd6-4ae8-969b-b564c07061cb/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_96599779-6bd6-4ae8-969b-b564c07061cb/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 640b8fd5c71f51509139c5a180a4d7fcd9c913685cbc00020531a66381fc7b29 --- 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 17:44:27,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:44:27,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:44:27,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:44:27,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:44:27,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:44:27,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:44:27,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:44:27,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:44:27,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:44:27,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:44:27,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:44:27,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:44:27,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:44:27,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:44:27,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:44:27,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:44:27,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:44:27,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:44:27,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:44:27,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:44:27,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:44:27,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:44:27,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:44:27,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:44:27,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:44:27,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:44:27,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:44:27,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:44:27,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:44:27,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:44:27,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:44:27,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:44:27,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:44:27,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:44:27,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:44:27,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:44:27,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:44:27,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:44:27,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:44:27,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:44:27,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96599779-6bd6-4ae8-969b-b564c07061cb/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:44:27,997 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:44:27,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:44:27,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:44:27,998 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:44:27,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:44:27,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:44:27,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:44:27,999 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:44:28,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:44:28,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:44:28,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:44:28,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:44:28,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:44:28,001 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:44:28,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:44:28,001 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:44:28,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:44:28,001 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:44:28,002 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:44:28,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:44:28,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:44:28,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:44:28,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:44:28,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:44:28,003 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:44:28,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:44:28,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:44:28,004 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_96599779-6bd6-4ae8-969b-b564c07061cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96599779-6bd6-4ae8-969b-b564c07061cb/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 640b8fd5c71f51509139c5a180a4d7fcd9c913685cbc00020531a66381fc7b29 [2022-11-20 17:44:28,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:44:28,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:44:28,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:44:28,338 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:44:28,338 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:44:28,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96599779-6bd6-4ae8-969b-b564c07061cb/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-restricted-15/b.12.c [2022-11-20 17:44:31,392 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:44:31,646 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:44:31,650 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96599779-6bd6-4ae8-969b-b564c07061cb/sv-benchmarks/c/termination-restricted-15/b.12.c [2022-11-20 17:44:31,656 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96599779-6bd6-4ae8-969b-b564c07061cb/bin/ukojak-pZX7IvK2PQ/data/1e2516d26/ac3c735fbd434650bff45b0ba9ee65e6/FLAG2be8e81cd [2022-11-20 17:44:31,679 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96599779-6bd6-4ae8-969b-b564c07061cb/bin/ukojak-pZX7IvK2PQ/data/1e2516d26/ac3c735fbd434650bff45b0ba9ee65e6 [2022-11-20 17:44:31,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:44:31,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:44:31,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:44:31,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:44:31,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:44:31,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:44:31" (1/1) ... [2022-11-20 17:44:31,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@291d522a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:31, skipping insertion in model container [2022-11-20 17:44:31,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:44:31" (1/1) ... [2022-11-20 17:44:31,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:44:31,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:44:31,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:44:31,934 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:44:31,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:44:31,966 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:44:31,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:31 WrapperNode [2022-11-20 17:44:31,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:44:31,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:44:31,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:44:31,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:44:31,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:31" (1/1) ... [2022-11-20 17:44:31,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:31" (1/1) ... [2022-11-20 17:44:32,000 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2022-11-20 17:44:32,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:44:32,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:44:32,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:44:32,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:44:32,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:31" (1/1) ... [2022-11-20 17:44:32,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:31" (1/1) ... [2022-11-20 17:44:32,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:31" (1/1) ... [2022-11-20 17:44:32,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:31" (1/1) ... [2022-11-20 17:44:32,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:31" (1/1) ... [2022-11-20 17:44:32,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:31" (1/1) ... [2022-11-20 17:44:32,023 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:31" (1/1) ... [2022-11-20 17:44:32,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:31" (1/1) ... [2022-11-20 17:44:32,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:44:32,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:44:32,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:44:32,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:44:32,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:31" (1/1) ... [2022-11-20 17:44:32,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:44:32,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96599779-6bd6-4ae8-969b-b564c07061cb/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:44:32,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96599779-6bd6-4ae8-969b-b564c07061cb/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:44:32,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96599779-6bd6-4ae8-969b-b564c07061cb/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:44:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:44:32,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:44:32,193 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:44:32,195 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:44:32,333 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:44:32,381 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:44:32,381 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:44:32,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:44:32 BoogieIcfgContainer [2022-11-20 17:44:32,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:44:32,385 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:44:32,385 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:44:32,396 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:44:32,403 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:44:32" (1/1) ... [2022-11-20 17:44:32,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:44:32,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:32,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2022-11-20 17:44:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-11-20 17:44:32,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:44:32,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:32,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:32,692 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 17:44:32,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2022-11-20 17:44:32,755 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2022-11-20 17:44:32,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:44:32,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:32,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:32,796 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 17:44:32,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:32,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-11-20 17:44:32,921 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-11-20 17:44:32,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:44:32,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:32,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:32,963 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 17:44:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:33,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-11-20 17:44:33,038 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-11-20 17:44:33,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:44:33,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:33,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:33,095 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 17:44:33,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:33,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2022-11-20 17:44:33,216 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2022-11-20 17:44:33,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:44:33,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:33,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:33,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:33,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:33,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2022-11-20 17:44:33,340 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2022-11-20 17:44:33,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:44:33,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:33,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:33,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:33,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:33,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-11-20 17:44:33,504 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-11-20 17:44:33,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:44:33,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:33,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:33,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:33,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:33,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-11-20 17:44:33,777 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-11-20 17:44:33,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:44:33,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:33,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:33,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:44:33,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:33,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-11-20 17:44:33,924 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-11-20 17:44:33,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:44:33,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:33,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:34,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:44:34,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:34,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-11-20 17:44:34,147 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-11-20 17:44:34,148 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:44:34,148 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2022-11-20 17:44:34,158 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:44:34,201 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-20 17:44:34,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:44:34 ImpRootNode [2022-11-20 17:44:34,214 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:44:34,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:44:34,215 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:44:34,215 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:44:34,216 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:44:32" (3/4) ... [2022-11-20 17:44:34,219 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:44:34,232 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 17:44:34,233 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 17:44:34,233 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 17:44:34,302 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96599779-6bd6-4ae8-969b-b564c07061cb/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:44:34,304 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:44:34,304 INFO L158 Benchmark]: Toolchain (without parser) took 2617.45ms. Allocated memory is still 172.0MB. Free memory was 140.4MB in the beginning and 131.7MB in the end (delta: 8.7MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-20 17:44:34,305 INFO L158 Benchmark]: CDTParser took 1.45ms. Allocated memory is still 130.0MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:44:34,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.55ms. Allocated memory is still 172.0MB. Free memory was 140.4MB in the beginning and 138.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:44:34,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.03ms. Allocated memory is still 172.0MB. Free memory was 138.0MB in the beginning and 136.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:44:34,308 INFO L158 Benchmark]: Boogie Preprocessor took 19.40ms. Allocated memory is still 172.0MB. Free memory was 136.8MB in the beginning and 135.8MB in the end (delta: 951.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:44:34,308 INFO L158 Benchmark]: RCFGBuilder took 358.81ms. Allocated memory is still 172.0MB. Free memory was 135.8MB in the beginning and 125.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:44:34,309 INFO L158 Benchmark]: CodeCheck took 1829.04ms. Allocated memory is still 172.0MB. Free memory was 124.5MB in the beginning and 134.8MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:44:34,312 INFO L158 Benchmark]: Witness Printer took 88.94ms. Allocated memory is still 172.0MB. Free memory was 134.8MB in the beginning and 131.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:44:34,315 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 1 procedures, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 183 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 136 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 633 IncrementalHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 136 mSolverCounterUnsat, 0 mSDtfsCounter, 633 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 593 GetRequests, 542 SyntacticMatches, 13 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 148 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 13/13 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: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: x <= 2147483647 && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45ms. Allocated memory is still 130.0MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.55ms. Allocated memory is still 172.0MB. Free memory was 140.4MB in the beginning and 138.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.03ms. Allocated memory is still 172.0MB. Free memory was 138.0MB in the beginning and 136.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.40ms. Allocated memory is still 172.0MB. Free memory was 136.8MB in the beginning and 135.8MB in the end (delta: 951.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.81ms. Allocated memory is still 172.0MB. Free memory was 135.8MB in the beginning and 125.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1829.04ms. Allocated memory is still 172.0MB. Free memory was 124.5MB in the beginning and 134.8MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 88.94ms. Allocated memory is still 172.0MB. Free memory was 134.8MB in the beginning and 131.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:44:34,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96599779-6bd6-4ae8-969b-b564c07061cb/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