./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_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_93e4c258-3e62-4057-aed0-989c8859d1e5/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4c258-3e62-4057-aed0-989c8859d1e5/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_93e4c258-3e62-4057-aed0-989c8859d1e5/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4c258-3e62-4057-aed0-989c8859d1e5/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4c258-3e62-4057-aed0-989c8859d1e5/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_93e4c258-3e62-4057-aed0-989c8859d1e5/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 a49709d733fe2c4c47a74e6a90c6911a5b00a9619ccaffa26b95cba5d6254573 --- 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 16:59:29,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:59:29,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:59:29,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:59:29,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:59:29,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:59:29,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:59:29,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:59:29,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:59:29,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:59:29,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:59:29,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:59:29,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:59:29,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:59:29,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:59:29,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:59:29,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:59:29,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:59:29,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:59:29,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:59:29,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:59:29,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:59:29,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:59:29,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:59:29,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:59:29,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:59:29,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:59:29,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:59:29,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:59:29,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:59:29,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:59:29,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:59:29,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:59:29,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:59:29,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:59:29,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:59:29,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:59:29,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:59:29,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:59:29,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:59:29,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:59:29,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4c258-3e62-4057-aed0-989c8859d1e5/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:59:29,289 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:59:29,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:59:29,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:59:29,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:59:29,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:59:29,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:59:29,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:59:29,295 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:59:29,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:59:29,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:59:29,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:59:29,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:59:29,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:59:29,298 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:59:29,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:59:29,299 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:59:29,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:59:29,299 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:59:29,299 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:59:29,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:59:29,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:59:29,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:59:29,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:59:29,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:59:29,301 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:59:29,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:59:29,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:59:29,302 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_93e4c258-3e62-4057-aed0-989c8859d1e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4c258-3e62-4057-aed0-989c8859d1e5/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a49709d733fe2c4c47a74e6a90c6911a5b00a9619ccaffa26b95cba5d6254573 [2022-11-20 16:59:29,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:59:29,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:59:29,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:59:29,596 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:59:29,597 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:59:29,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4c258-3e62-4057-aed0-989c8859d1e5/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_good.i [2022-11-20 16:59:32,623 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:59:33,037 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:59:33,037 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4c258-3e62-4057-aed0-989c8859d1e5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_01_good.i [2022-11-20 16:59:33,068 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4c258-3e62-4057-aed0-989c8859d1e5/bin/ukojak-pZX7IvK2PQ/data/7cd7d4e46/feb1f88e9cd04d32a356832284c67e8e/FLAG4bda273be [2022-11-20 16:59:33,084 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4c258-3e62-4057-aed0-989c8859d1e5/bin/ukojak-pZX7IvK2PQ/data/7cd7d4e46/feb1f88e9cd04d32a356832284c67e8e [2022-11-20 16:59:33,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:59:33,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:59:33,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:59:33,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:59:33,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:59:33,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:59:33" (1/1) ... [2022-11-20 16:59:33,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e778f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:33, skipping insertion in model container [2022-11-20 16:59:33,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:59:33" (1/1) ... [2022-11-20 16:59:33,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:59:33,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:59:33,562 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:59:34,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:59:34,149 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:59:34,168 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:59:34,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:59:34,399 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:59:34,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:34 WrapperNode [2022-11-20 16:59:34,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:59:34,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:59:34,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:59:34,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:59:34,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:34" (1/1) ... [2022-11-20 16:59:34,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:34" (1/1) ... [2022-11-20 16:59:34,491 INFO L138 Inliner]: procedures = 502, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2022-11-20 16:59:34,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:59:34,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:59:34,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:59:34,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:59:34,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:34" (1/1) ... [2022-11-20 16:59:34,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:34" (1/1) ... [2022-11-20 16:59:34,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:34" (1/1) ... [2022-11-20 16:59:34,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:34" (1/1) ... [2022-11-20 16:59:34,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:34" (1/1) ... [2022-11-20 16:59:34,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:34" (1/1) ... [2022-11-20 16:59:34,541 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:34" (1/1) ... [2022-11-20 16:59:34,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:34" (1/1) ... [2022-11-20 16:59:34,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:59:34,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:59:34,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:59:34,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:59:34,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:34" (1/1) ... [2022-11-20 16:59:34,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:59:34,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4c258-3e62-4057-aed0-989c8859d1e5/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:59:34,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4c258-3e62-4057-aed0-989c8859d1e5/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:59:34,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4c258-3e62-4057-aed0-989c8859d1e5/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:59:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:59:34,638 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:59:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 16:59:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:59:34,639 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:59:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:59:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 16:59:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:59:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:59:34,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:59:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:59:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:59:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:59:34,789 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:59:34,791 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:59:34,994 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:59:35,064 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:59:35,065 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:59:35,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:59:35 BoogieIcfgContainer [2022-11-20 16:59:35,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:59:35,069 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:59:35,070 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:59:35,081 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:59:35,081 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:59:35" (1/1) ... [2022-11-20 16:59:35,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:59:35,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:35,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2022-11-20 16:59:35,150 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-11-20 16:59:35,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:59:35,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:59:35,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:59:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:59:35,395 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 16:59:35,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:35,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-20 16:59:35,430 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-20 16:59:35,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:59:35,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:59:35,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:59:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:59:35,504 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 16:59:35,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:35,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-20 16:59:35,521 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-20 16:59:35,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:59:35,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:59:35,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:59:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:59:35,630 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 16:59:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:35,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-11-20 16:59:35,654 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-11-20 16:59:35,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:59:35,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:59:35,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:59:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:59:35,759 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 16:59:35,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:35,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2022-11-20 16:59:35,864 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-11-20 16:59:35,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:59:35,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:59:35,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:59:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:59:36,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:59:36,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:36,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 28 transitions. [2022-11-20 16:59:36,101 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-11-20 16:59:36,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:59:36,102 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-11-20 16:59:36,110 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 16:59:36,162 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:59:36,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:59:36 ImpRootNode [2022-11-20 16:59:36,169 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:59:36,171 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:59:36,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:59:36,173 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:59:36,173 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:59:35" (3/4) ... [2022-11-20 16:59:36,177 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:59:36,183 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:59:36,183 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:59:36,200 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-20 16:59:36,202 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 16:59:36,202 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 16:59:36,203 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:59:36,255 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4c258-3e62-4057-aed0-989c8859d1e5/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:59:36,268 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:59:36,269 INFO L158 Benchmark]: Toolchain (without parser) took 3177.75ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 112.2MB in the beginning and 168.4MB in the end (delta: -56.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-11-20 16:59:36,269 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:59:36,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1306.19ms. Allocated memory is still 151.0MB. Free memory was 112.2MB in the beginning and 116.6MB in the end (delta: -4.4MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2022-11-20 16:59:36,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.08ms. Allocated memory is still 151.0MB. Free memory was 116.6MB in the beginning and 113.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:59:36,271 INFO L158 Benchmark]: Boogie Preprocessor took 52.33ms. Allocated memory is still 151.0MB. Free memory was 113.8MB in the beginning and 112.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:59:36,272 INFO L158 Benchmark]: RCFGBuilder took 523.40ms. Allocated memory is still 151.0MB. Free memory was 112.4MB in the beginning and 97.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 16:59:36,272 INFO L158 Benchmark]: CodeCheck took 1099.60ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 97.0MB in the beginning and 171.4MB in the end (delta: -74.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:59:36,273 INFO L158 Benchmark]: Witness Printer took 96.70ms. Allocated memory is still 216.0MB. Free memory was 171.4MB in the beginning and 168.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:59:36,275 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, 27 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 93 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94 IncrementalHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 83 mSDtfsCounter, 94 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 432 GetRequests, 418 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 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: 1554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1554]: 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1593]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1306.19ms. Allocated memory is still 151.0MB. Free memory was 112.2MB in the beginning and 116.6MB in the end (delta: -4.4MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.08ms. Allocated memory is still 151.0MB. Free memory was 116.6MB in the beginning and 113.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.33ms. Allocated memory is still 151.0MB. Free memory was 113.8MB in the beginning and 112.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 523.40ms. Allocated memory is still 151.0MB. Free memory was 112.4MB in the beginning and 97.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1099.60ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 97.0MB in the beginning and 171.4MB in the end (delta: -74.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 96.70ms. Allocated memory is still 216.0MB. Free memory was 171.4MB in the beginning and 168.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:59:36,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4c258-3e62-4057-aed0-989c8859d1e5/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