./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_65_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_74fbcf32-d272-4f63-88a6-12bc6a2cee96/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fbcf32-d272-4f63-88a6-12bc6a2cee96/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_74fbcf32-d272-4f63-88a6-12bc6a2cee96/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fbcf32-d272-4f63-88a6-12bc6a2cee96/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fbcf32-d272-4f63-88a6-12bc6a2cee96/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_74fbcf32-d272-4f63-88a6-12bc6a2cee96/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 82cbe1692672672f8770f5c1b4433ae801d66ea6353b7b098a4d90d92058c6b8 --- 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 16:56:23,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:56:23,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:56:23,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:56:23,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:56:23,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:56:23,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:56:23,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:56:23,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:56:23,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:56:23,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:56:23,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:56:23,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:56:23,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:56:23,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:56:23,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:56:23,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:56:23,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:56:23,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:56:23,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:56:23,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:56:23,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:56:23,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:56:23,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:56:23,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:56:23,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:56:23,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:56:23,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:56:23,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:56:23,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:56:23,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:56:23,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:56:23,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:56:23,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:56:23,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:56:23,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:56:23,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:56:23,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:56:23,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:56:23,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:56:23,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:56:23,249 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fbcf32-d272-4f63-88a6-12bc6a2cee96/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:56:23,269 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:56:23,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:56:23,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:56:23,271 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:56:23,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:56:23,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:56:23,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:56:23,272 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:56:23,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:56:23,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:56:23,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:56:23,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:56:23,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:56:23,273 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:56:23,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:56:23,274 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:56:23,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:56:23,274 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:56:23,274 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:56:23,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:56:23,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:56:23,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:56:23,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:56:23,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:56:23,276 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:56:23,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:56:23,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:56:23,276 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_74fbcf32-d272-4f63-88a6-12bc6a2cee96/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fbcf32-d272-4f63-88a6-12bc6a2cee96/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82cbe1692672672f8770f5c1b4433ae801d66ea6353b7b098a4d90d92058c6b8 [2022-11-20 16:56:23,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:56:23,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:56:23,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:56:23,603 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:56:23,603 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:56:23,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fbcf32-d272-4f63-88a6-12bc6a2cee96/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_65_good.i [2022-11-20 16:56:26,792 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:56:27,191 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:56:27,192 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fbcf32-d272-4f63-88a6-12bc6a2cee96/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_65_good.i [2022-11-20 16:56:27,221 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fbcf32-d272-4f63-88a6-12bc6a2cee96/bin/ukojak-pZX7IvK2PQ/data/48bd7d275/86ac3f90dad846c9a0e0c2efaf56934f/FLAGb070443de [2022-11-20 16:56:27,242 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fbcf32-d272-4f63-88a6-12bc6a2cee96/bin/ukojak-pZX7IvK2PQ/data/48bd7d275/86ac3f90dad846c9a0e0c2efaf56934f [2022-11-20 16:56:27,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:56:27,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:56:27,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:56:27,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:56:27,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:56:27,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:56:27" (1/1) ... [2022-11-20 16:56:27,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25667443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:27, skipping insertion in model container [2022-11-20 16:56:27,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:56:27" (1/1) ... [2022-11-20 16:56:27,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:56:27,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:56:27,738 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:56:28,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:56:28,302 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:56:28,331 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:56:28,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:56:28,640 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:56:28,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28 WrapperNode [2022-11-20 16:56:28,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:56:28,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:56:28,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:56:28,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:56:28,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,708 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 63 [2022-11-20 16:56:28,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:56:28,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:56:28,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:56:28,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:56:28,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,754 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:56:28,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:56:28,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:56:28,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:56:28,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:28" (1/1) ... [2022-11-20 16:56:28,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:56:28,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fbcf32-d272-4f63-88a6-12bc6a2cee96/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:56:28,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fbcf32-d272-4f63-88a6-12bc6a2cee96/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:56:28,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fbcf32-d272-4f63-88a6-12bc6a2cee96/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:56:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:56:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:56:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:56:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:56:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:56:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-20 16:56:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-20 16:56:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:56:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:56:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:56:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:56:28,988 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:56:28,990 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:56:29,128 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:56:29,179 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:56:29,194 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:56:29,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:56:29 BoogieIcfgContainer [2022-11-20 16:56:29,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:56:29,198 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:56:29,198 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:56:29,221 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:56:29,222 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:56:29" (1/1) ... [2022-11-20 16:56:29,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:56:29,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:29,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2022-11-20 16:56:29,289 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-11-20 16:56:29,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:56:29,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:29,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:29,798 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 16:56:29,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:29,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 42 transitions. [2022-11-20 16:56:29,900 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-11-20 16:56:29,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:56:29,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:29,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:30,051 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 16:56:30,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:30,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 48 transitions. [2022-11-20 16:56:30,318 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2022-11-20 16:56:30,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:56:30,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:30,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:30,513 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 16:56:30,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:30,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 51 transitions. [2022-11-20 16:56:30,948 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-11-20 16:56:30,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:56:30,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:30,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:31,221 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 16:56:31,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:31,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 40 transitions. [2022-11-20 16:56:31,396 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2022-11-20 16:56:31,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:56:31,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:31,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:31,651 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 16:56:32,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:32,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 36 transitions. [2022-11-20 16:56:32,355 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-11-20 16:56:32,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:56:32,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:32,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:32,502 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 16:56:33,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:33,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 29 transitions. [2022-11-20 16:56:33,119 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-11-20 16:56:33,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:56:33,120 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-11-20 16:56:33,128 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 16:56:33,209 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:56:33,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:56:33 ImpRootNode [2022-11-20 16:56:33,214 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:56:33,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:56:33,215 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:56:33,216 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:56:33,216 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:56:29" (3/4) ... [2022-11-20 16:56:33,220 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:56:33,229 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:56:33,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:56:33,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-20 16:56:33,239 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-20 16:56:33,240 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 16:56:33,240 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 16:56:33,240 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:56:33,293 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fbcf32-d272-4f63-88a6-12bc6a2cee96/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:56:33,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:56:33,297 INFO L158 Benchmark]: Toolchain (without parser) took 6048.63ms. Allocated memory was 157.3MB in the beginning and 201.3MB in the end (delta: 44.0MB). Free memory was 109.8MB in the beginning and 89.4MB in the end (delta: 20.4MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2022-11-20 16:56:33,298 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 113.2MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:56:33,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1389.41ms. Allocated memory is still 157.3MB. Free memory was 109.4MB in the beginning and 90.3MB in the end (delta: 19.0MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2022-11-20 16:56:33,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.42ms. Allocated memory is still 157.3MB. Free memory was 90.3MB in the beginning and 87.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:56:33,303 INFO L158 Benchmark]: Boogie Preprocessor took 48.71ms. Allocated memory is still 157.3MB. Free memory was 87.0MB in the beginning and 85.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:56:33,303 INFO L158 Benchmark]: RCFGBuilder took 439.03ms. Allocated memory is still 157.3MB. Free memory was 85.7MB in the beginning and 71.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 16:56:33,303 INFO L158 Benchmark]: CodeCheck took 4016.44ms. Allocated memory was 157.3MB in the beginning and 201.3MB in the end (delta: 44.0MB). Free memory was 71.0MB in the beginning and 92.5MB in the end (delta: -21.5MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2022-11-20 16:56:33,304 INFO L158 Benchmark]: Witness Printer took 81.40ms. Allocated memory is still 201.3MB. Free memory was 92.5MB in the beginning and 89.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:56:33,306 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 4 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 231 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 137 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 138 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 372 IncrementalHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 138 mSolverCounterUnsat, 137 mSDtfsCounter, 372 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 752 GetRequests, 673 SyntacticMatches, 3 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1644 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 9/9 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: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 113.2MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1389.41ms. Allocated memory is still 157.3MB. Free memory was 109.4MB in the beginning and 90.3MB in the end (delta: 19.0MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.42ms. Allocated memory is still 157.3MB. Free memory was 90.3MB in the beginning and 87.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.71ms. Allocated memory is still 157.3MB. Free memory was 87.0MB in the beginning and 85.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 439.03ms. Allocated memory is still 157.3MB. Free memory was 85.7MB in the beginning and 71.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 4016.44ms. Allocated memory was 157.3MB in the beginning and 201.3MB in the end (delta: 44.0MB). Free memory was 71.0MB in the beginning and 92.5MB in the end (delta: -21.5MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Witness Printer took 81.40ms. Allocated memory is still 201.3MB. Free memory was 92.5MB in the beginning and 89.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:56:33,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fbcf32-d272-4f63-88a6-12bc6a2cee96/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