./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_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_b750d01e-cb9b-40e6-a4e2-881519cdca62/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b750d01e-cb9b-40e6-a4e2-881519cdca62/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_b750d01e-cb9b-40e6-a4e2-881519cdca62/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b750d01e-cb9b-40e6-a4e2-881519cdca62/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b750d01e-cb9b-40e6-a4e2-881519cdca62/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_b750d01e-cb9b-40e6-a4e2-881519cdca62/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 553c6f2df5271703f0452391d4b0d8f672e3dbb685739cd240a8fec3a199a9bc --- 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 16:39:51,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:39:51,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:39:51,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:39:51,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:39:51,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:39:51,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:39:51,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:39:51,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:39:51,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:39:51,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:39:51,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:39:51,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:39:51,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:39:51,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:39:51,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:39:51,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:39:51,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:39:51,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:39:51,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:39:51,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:39:51,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:39:51,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:39:51,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:39:51,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:39:51,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:39:51,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:39:51,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:39:51,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:39:51,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:39:51,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:39:51,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:39:51,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:39:51,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:39:51,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:39:51,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:39:51,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:39:51,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:39:51,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:39:51,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:39:51,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:39:51,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b750d01e-cb9b-40e6-a4e2-881519cdca62/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:39:51,990 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:39:51,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:39:51,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:39:51,991 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:39:51,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:39:51,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:39:51,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:39:51,992 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:39:51,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:39:51,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:39:51,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:39:51,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:39:51,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:39:51,993 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:39:51,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:39:51,994 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:39:51,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:39:51,994 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:39:51,994 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:39:51,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:39:51,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:39:51,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:39:51,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:39:51,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:39:51,996 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:39:51,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:39:51,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:39:51,996 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_b750d01e-cb9b-40e6-a4e2-881519cdca62/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b750d01e-cb9b-40e6-a4e2-881519cdca62/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 553c6f2df5271703f0452391d4b0d8f672e3dbb685739cd240a8fec3a199a9bc [2022-11-20 16:39:52,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:39:52,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:39:52,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:39:52,262 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:39:52,262 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:39:52,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b750d01e-cb9b-40e6-a4e2-881519cdca62/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_17_good.i [2022-11-20 16:39:55,362 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:39:55,765 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:39:55,766 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b750d01e-cb9b-40e6-a4e2-881519cdca62/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_17_good.i [2022-11-20 16:39:55,789 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b750d01e-cb9b-40e6-a4e2-881519cdca62/bin/ukojak-pZX7IvK2PQ/data/e94094da7/fb4ca04d9b7240cc8951a3b26849d8e1/FLAG0841fb677 [2022-11-20 16:39:55,814 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b750d01e-cb9b-40e6-a4e2-881519cdca62/bin/ukojak-pZX7IvK2PQ/data/e94094da7/fb4ca04d9b7240cc8951a3b26849d8e1 [2022-11-20 16:39:55,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:39:55,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:39:55,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:39:55,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:39:55,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:39:55,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:39:55" (1/1) ... [2022-11-20 16:39:55,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be1311d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:55, skipping insertion in model container [2022-11-20 16:39:55,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:39:55" (1/1) ... [2022-11-20 16:39:55,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:39:55,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:39:56,333 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:39:56,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:39:56,913 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:39:56,946 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:39:57,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:39:57,182 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:39:57,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:57 WrapperNode [2022-11-20 16:39:57,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:39:57,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:39:57,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:39:57,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:39:57,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:57" (1/1) ... [2022-11-20 16:39:57,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:57" (1/1) ... [2022-11-20 16:39:57,280 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 108 [2022-11-20 16:39:57,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:39:57,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:39:57,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:39:57,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:39:57,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:57" (1/1) ... [2022-11-20 16:39:57,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:57" (1/1) ... [2022-11-20 16:39:57,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:57" (1/1) ... [2022-11-20 16:39:57,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:57" (1/1) ... [2022-11-20 16:39:57,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:57" (1/1) ... [2022-11-20 16:39:57,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:57" (1/1) ... [2022-11-20 16:39:57,314 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:57" (1/1) ... [2022-11-20 16:39:57,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:57" (1/1) ... [2022-11-20 16:39:57,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:39:57,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:39:57,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:39:57,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:39:57,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:57" (1/1) ... [2022-11-20 16:39:57,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:39:57,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b750d01e-cb9b-40e6-a4e2-881519cdca62/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:39:57,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b750d01e-cb9b-40e6-a4e2-881519cdca62/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:39:57,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b750d01e-cb9b-40e6-a4e2-881519cdca62/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:39:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:39:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:39:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:39:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:39:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:39:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:39:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:39:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:39:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:39:57,656 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:39:57,658 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:39:57,963 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:39:58,031 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:39:58,031 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 16:39:58,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:58 BoogieIcfgContainer [2022-11-20 16:39:58,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:39:58,034 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:39:58,035 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:39:58,045 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:39:58,045 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:58" (1/1) ... [2022-11-20 16:39:58,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:39:58,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:58,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-11-20 16:39:58,108 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-11-20 16:39:58,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:39:58,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:58,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:58,660 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 16:39:58,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:58,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2022-11-20 16:39:58,749 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-11-20 16:39:58,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:39:58,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:58,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:58,952 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 16:39:58,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:58,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2022-11-20 16:39:58,974 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-11-20 16:39:58,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:39:58,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:58,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:59,119 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 16:39:59,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:59,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2022-11-20 16:39:59,164 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-11-20 16:39:59,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:39:59,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:59,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:59,228 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 16:39:59,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:59,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-11-20 16:39:59,277 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-11-20 16:39:59,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:39:59,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:59,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:59,380 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 16:39:59,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:59,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2022-11-20 16:39:59,676 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-11-20 16:39:59,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:39:59,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:59,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:59,752 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 16:39:59,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:59,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-11-20 16:39:59,839 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-11-20 16:39:59,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:39:59,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:59,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:59,945 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 16:40:00,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:00,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 50 states and 62 transitions. [2022-11-20 16:40:00,078 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-11-20 16:40:00,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:40:00,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:00,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:00,160 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 16:40:00,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:00,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2022-11-20 16:40:00,179 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-11-20 16:40:00,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:40:00,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:00,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:00,253 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 16:40:00,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:00,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 54 states and 67 transitions. [2022-11-20 16:40:00,502 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-11-20 16:40:00,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:40:00,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:00,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:00,634 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 16:40:00,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:00,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2022-11-20 16:40:00,727 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-11-20 16:40:00,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:40:00,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:00,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:00,765 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:40:01,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:01,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 77 transitions. [2022-11-20 16:40:01,054 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2022-11-20 16:40:01,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:40:01,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:01,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:01,127 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 16:40:01,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:01,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 78 transitions. [2022-11-20 16:40:01,145 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2022-11-20 16:40:01,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:40:01,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:01,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:01,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:40:01,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:01,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 64 states and 83 transitions. [2022-11-20 16:40:01,911 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2022-11-20 16:40:01,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 16:40:01,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:01,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:02,042 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 16:40:02,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:02,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 77 transitions. [2022-11-20 16:40:02,187 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2022-11-20 16:40:02,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:40:02,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:02,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:02,298 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 16:40:02,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:02,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 61 states and 78 transitions. [2022-11-20 16:40:02,513 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2022-11-20 16:40:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:40:02,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:02,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:02,606 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 16:40:03,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:03,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 63 states and 82 transitions. [2022-11-20 16:40:03,068 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2022-11-20 16:40:03,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 16:40:03,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:03,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:03,116 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:40:03,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 64 states and 81 transitions. [2022-11-20 16:40:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2022-11-20 16:40:03,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:40:03,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:03,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:03,286 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 16:40:03,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:03,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 86 transitions. [2022-11-20 16:40:03,908 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2022-11-20 16:40:03,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 16:40:03,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:03,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:40:04,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:04,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 56 transitions. [2022-11-20 16:40:04,208 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2022-11-20 16:40:04,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 16:40:04,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:04,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:04,403 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 16:40:05,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:05,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 66 transitions. [2022-11-20 16:40:05,031 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-11-20 16:40:05,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 16:40:05,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:05,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:05,103 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 16:40:05,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:05,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 69 transitions. [2022-11-20 16:40:05,125 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-11-20 16:40:05,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 16:40:05,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:05,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:05,186 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 16:40:05,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:05,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 60 states and 74 transitions. [2022-11-20 16:40:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2022-11-20 16:40:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 16:40:05,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:05,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:05,747 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 16:40:06,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 64 states and 78 transitions. [2022-11-20 16:40:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2022-11-20 16:40:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 16:40:06,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:06,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:06,328 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 16:40:06,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:06,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 40 states and 43 transitions. [2022-11-20 16:40:06,683 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2022-11-20 16:40:06,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:40:06,684 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2022-11-20 16:40:06,692 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-20 16:40:06,857 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:40:06,861 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-11-20 16:40:06,868 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-11-20 16:40:06,869 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:40:06,869 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:40:06,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:40:06 ImpRootNode [2022-11-20 16:40:06,870 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:40:06,871 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:40:06,871 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:40:06,871 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:40:06,872 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:58" (3/4) ... [2022-11-20 16:40:06,885 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:40:06,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:40:06,891 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:40:06,898 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-20 16:40:06,898 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-20 16:40:06,899 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 16:40:06,899 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:40:06,957 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b750d01e-cb9b-40e6-a4e2-881519cdca62/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:40:06,963 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:40:06,964 INFO L158 Benchmark]: Toolchain (without parser) took 11143.27ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 128.0MB in the beginning and 72.7MB in the end (delta: 55.2MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. [2022-11-20 16:40:06,964 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory was 93.3MB in the beginning and 93.2MB in the end (delta: 74.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:40:06,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1359.86ms. Allocated memory is still 159.4MB. Free memory was 127.6MB in the beginning and 113.7MB in the end (delta: 14.0MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2022-11-20 16:40:06,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.88ms. Allocated memory is still 159.4MB. Free memory was 113.7MB in the beginning and 110.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:40:06,965 INFO L158 Benchmark]: Boogie Preprocessor took 34.39ms. Allocated memory is still 159.4MB. Free memory was 110.3MB in the beginning and 108.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:40:06,965 INFO L158 Benchmark]: RCFGBuilder took 714.49ms. Allocated memory is still 159.4MB. Free memory was 108.2MB in the beginning and 87.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 16:40:06,966 INFO L158 Benchmark]: CodeCheck took 8835.84ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 87.3MB in the beginning and 76.9MB in the end (delta: 10.4MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2022-11-20 16:40:06,966 INFO L158 Benchmark]: Witness Printer took 92.15ms. Allocated memory is still 203.4MB. Free memory was 76.9MB in the beginning and 72.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:40:06,968 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: 8.6s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1997 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 951 mSDsluCounter, 597 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 114 mSDsCounter, 1029 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4128 IncrementalHoareTripleChecker+Invalid, 5157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1029 mSolverCounterUnsat, 483 mSDtfsCounter, 4128 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3773 GetRequests, 3632 SyntacticMatches, 3 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7143 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 513 NumberOfCodeBlocks, 513 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 489 ConstructedInterpolants, 0 QuantifiedInterpolants, 883 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 19 PerfectInterpolantSequences, 107/112 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 <= 2147483647) || 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 0.32ms. Allocated memory is still 123.7MB. Free memory was 93.3MB in the beginning and 93.2MB in the end (delta: 74.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1359.86ms. Allocated memory is still 159.4MB. Free memory was 127.6MB in the beginning and 113.7MB in the end (delta: 14.0MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.88ms. Allocated memory is still 159.4MB. Free memory was 113.7MB in the beginning and 110.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.39ms. Allocated memory is still 159.4MB. Free memory was 110.3MB in the beginning and 108.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 714.49ms. Allocated memory is still 159.4MB. Free memory was 108.2MB in the beginning and 87.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 8835.84ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 87.3MB in the beginning and 76.9MB in the end (delta: 10.4MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Witness Printer took 92.15ms. Allocated memory is still 203.4MB. Free memory was 76.9MB in the beginning and 72.7MB 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 16:40:06,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b750d01e-cb9b-40e6-a4e2-881519cdca62/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