./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_466918b9-910e-4c7e-9a91-2d12a805c064/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466918b9-910e-4c7e-9a91-2d12a805c064/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466918b9-910e-4c7e-9a91-2d12a805c064/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466918b9-910e-4c7e-9a91-2d12a805c064/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466918b9-910e-4c7e-9a91-2d12a805c064/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466918b9-910e-4c7e-9a91-2d12a805c064/bin/ukojak-rkRKPMF4O4 --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 2b001678ff2eb5da7e1df4233247516c2f3358f76817f65bac63aff80112936e --- 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-2329fc7 [2022-12-14 21:16:29,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:16:29,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:16:29,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:16:29,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:16:29,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:16:29,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:16:29,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:16:29,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:16:29,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:16:29,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:16:29,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:16:29,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:16:29,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:16:29,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:16:29,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:16:29,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:16:29,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:16:29,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:16:29,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:16:29,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:16:29,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:16:29,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:16:29,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:16:29,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:16:29,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:16:29,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:16:29,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:16:29,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:16:29,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:16:29,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:16:29,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:16:29,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:16:29,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:16:29,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:16:29,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:16:29,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:16:29,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:16:29,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:16:29,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:16:29,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:16:29,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466918b9-910e-4c7e-9a91-2d12a805c064/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 21:16:29,406 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:16:29,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:16:29,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:16:29,407 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:16:29,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:16:29,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:16:29,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:16:29,408 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:16:29,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:16:29,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:16:29,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:16:29,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:16:29,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:16:29,409 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 21:16:29,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:16:29,409 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:16:29,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:16:29,410 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:16:29,410 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:16:29,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:16:29,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:16:29,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:16:29,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:16:29,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:16:29,411 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:16:29,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:16:29,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:16:29,411 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_466918b9-910e-4c7e-9a91-2d12a805c064/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466918b9-910e-4c7e-9a91-2d12a805c064/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b001678ff2eb5da7e1df4233247516c2f3358f76817f65bac63aff80112936e [2022-12-14 21:16:29,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:16:29,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:16:29,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:16:29,591 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:16:29,591 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:16:29,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466918b9-910e-4c7e-9a91-2d12a805c064/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_65_good.i [2022-12-14 21:16:32,152 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:16:32,382 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:16:32,383 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466918b9-910e-4c7e-9a91-2d12a805c064/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_65_good.i [2022-12-14 21:16:32,395 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466918b9-910e-4c7e-9a91-2d12a805c064/bin/ukojak-rkRKPMF4O4/data/c08c1d404/ed945e9e036c4bfe81412e688081a1de/FLAG9800826b0 [2022-12-14 21:16:32,406 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466918b9-910e-4c7e-9a91-2d12a805c064/bin/ukojak-rkRKPMF4O4/data/c08c1d404/ed945e9e036c4bfe81412e688081a1de [2022-12-14 21:16:32,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:16:32,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:16:32,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:16:32,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:16:32,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:16:32,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:16:32" (1/1) ... [2022-12-14 21:16:32,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0db71d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:16:32, skipping insertion in model container [2022-12-14 21:16:32,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:16:32" (1/1) ... [2022-12-14 21:16:32,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:16:32,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:16:32,683 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 21:16:32,964 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 21:16:32,969 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 21:16:32,970 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 21:16:32,972 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 21:16:32,972 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 21:16:32,995 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 21:16:32,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:16:33,005 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:16:33,018 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 21:16:33,047 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 21:16:33,048 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 21:16:33,049 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 21:16:33,050 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 21:16:33,051 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 21:16:33,054 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 21:16:33,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:16:33,160 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:16:33,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:16:33 WrapperNode [2022-12-14 21:16:33,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:16:33,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:16:33,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:16:33,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:16:33,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:16:33" (1/1) ... [2022-12-14 21:16:33,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:16:33" (1/1) ... [2022-12-14 21:16:33,205 INFO L138 Inliner]: procedures = 504, calls = 68, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 69 [2022-12-14 21:16:33,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:16:33,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:16:33,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:16:33,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:16:33,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:16:33" (1/1) ... [2022-12-14 21:16:33,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:16:33" (1/1) ... [2022-12-14 21:16:33,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:16:33" (1/1) ... [2022-12-14 21:16:33,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:16:33" (1/1) ... [2022-12-14 21:16:33,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:16:33" (1/1) ... [2022-12-14 21:16:33,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:16:33" (1/1) ... [2022-12-14 21:16:33,229 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:16:33" (1/1) ... [2022-12-14 21:16:33,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:16:33" (1/1) ... [2022-12-14 21:16:33,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:16:33,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:16:33,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:16:33,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:16:33,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:16:33" (1/1) ... [2022-12-14 21:16:33,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:16:33,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466918b9-910e-4c7e-9a91-2d12a805c064/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:16:33,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466918b9-910e-4c7e-9a91-2d12a805c064/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:16:33,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466918b9-910e-4c7e-9a91-2d12a805c064/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:16:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 21:16:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 21:16:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 21:16:33,300 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 21:16:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:16:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 21:16:33,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:16:33,301 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-14 21:16:33,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-14 21:16:33,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:16:33,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:16:33,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:16:33,301 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 21:16:33,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 21:16:33,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:16:33,411 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:16:33,413 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:16:33,547 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:16:33,577 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:16:33,577 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 21:16:33,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:16:33 BoogieIcfgContainer [2022-12-14 21:16:33,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:16:33,581 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:16:33,581 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:16:33,591 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:16:33,591 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:16:33" (1/1) ... [2022-12-14 21:16:33,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:16:33,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:16:33,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2022-12-14 21:16:33,659 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-12-14 21:16:33,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:16:33,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:16:33,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:16:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:16:33,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:16:34,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:16:34,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 42 transitions. [2022-12-14 21:16:34,015 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-12-14 21:16:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 21:16:34,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:16:34,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:16:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:16:34,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:16:34,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:16:34,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 44 transitions. [2022-12-14 21:16:34,117 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-12-14 21:16:34,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 21:16:34,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:16:34,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:16:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:16:34,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:16:34,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:16:34,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 45 transitions. [2022-12-14 21:16:34,195 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-12-14 21:16:34,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 21:16:34,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:16:34,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:16:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:16:34,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:16:34,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:16:34,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 46 transitions. [2022-12-14 21:16:34,283 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2022-12-14 21:16:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 21:16:34,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:16:34,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:16:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:16:34,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:16:34,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:16:34,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 45 transitions. [2022-12-14 21:16:34,594 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-12-14 21:16:34,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 21:16:34,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:16:34,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:16:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:16:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:16:34,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:16:34,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 44 transitions. [2022-12-14 21:16:34,797 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-12-14 21:16:34,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 21:16:34,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:16:34,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:16:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:16:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:16:35,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:16:35,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 40 transitions. [2022-12-14 21:16:35,386 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-12-14 21:16:35,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 21:16:35,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:16:35,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:16:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:16:35,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:16:35,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:16:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 39 transitions. [2022-12-14 21:16:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2022-12-14 21:16:35,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 21:16:35,583 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-14 21:16:35,591 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 21:16:35,664 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 21:16:35,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:16:35 ImpRootNode [2022-12-14 21:16:35,668 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:16:35,668 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:16:35,668 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:16:35,669 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:16:35,669 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:16:33" (3/4) ... [2022-12-14 21:16:35,671 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 21:16:35,675 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 21:16:35,676 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 21:16:35,676 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-12-14 21:16:35,680 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-14 21:16:35,680 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-14 21:16:35,680 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 21:16:35,681 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 21:16:35,722 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466918b9-910e-4c7e-9a91-2d12a805c064/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:16:35,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:16:35,723 INFO L158 Benchmark]: Toolchain (without parser) took 3314.47ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 115.2MB in the beginning and 145.0MB in the end (delta: -29.7MB). Peak memory consumption was 97.1MB. Max. memory is 16.1GB. [2022-12-14 21:16:35,724 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:16:35,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.49ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 115.2MB in the beginning and 142.2MB in the end (delta: -26.9MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2022-12-14 21:16:35,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.62ms. Allocated memory is still 180.4MB. Free memory was 142.2MB in the beginning and 139.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 21:16:35,725 INFO L158 Benchmark]: Boogie Preprocessor took 26.91ms. Allocated memory is still 180.4MB. Free memory was 139.0MB in the beginning and 138.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:16:35,725 INFO L158 Benchmark]: RCFGBuilder took 345.80ms. Allocated memory is still 180.4MB. Free memory was 136.9MB in the beginning and 121.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 21:16:35,725 INFO L158 Benchmark]: CodeCheck took 2087.34ms. Allocated memory is still 180.4MB. Free memory was 121.2MB in the beginning and 55.1MB in the end (delta: 66.0MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2022-12-14 21:16:35,726 INFO L158 Benchmark]: Witness Printer took 54.20ms. Allocated memory is still 180.4MB. Free memory was 55.1MB in the beginning and 145.0MB in the end (delta: -89.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 21:16:35,728 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: 2.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 288 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 136 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 164 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 441 IncrementalHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 164 mSolverCounterUnsat, 136 mSDtfsCounter, 441 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 952 GetRequests, 902 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 11/11 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 0.21ms. Allocated memory is still 104.9MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 751.49ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 115.2MB in the beginning and 142.2MB in the end (delta: -26.9MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.62ms. Allocated memory is still 180.4MB. Free memory was 142.2MB in the beginning and 139.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.91ms. Allocated memory is still 180.4MB. Free memory was 139.0MB in the beginning and 138.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 345.80ms. Allocated memory is still 180.4MB. Free memory was 136.9MB in the beginning and 121.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 2087.34ms. Allocated memory is still 180.4MB. Free memory was 121.2MB in the beginning and 55.1MB in the end (delta: 66.0MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Witness Printer took 54.20ms. Allocated memory is still 180.4MB. Free memory was 55.1MB in the beginning and 145.0MB in the end (delta: -89.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 21:16:35,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466918b9-910e-4c7e-9a91-2d12a805c064/bin/ukojak-rkRKPMF4O4/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