./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_18_bad.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_e48ea1f4-778d-49f1-bb42-b6a14bc61640/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ea1f4-778d-49f1-bb42-b6a14bc61640/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_e48ea1f4-778d-49f1-bb42-b6a14bc61640/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ea1f4-778d-49f1-bb42-b6a14bc61640/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ea1f4-778d-49f1-bb42-b6a14bc61640/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_e48ea1f4-778d-49f1-bb42-b6a14bc61640/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 ab1bde687780dc6da404c288209f8d600c01c273554ef27fecbb791d166d54c5 --- 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 16:49:15,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:49:15,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:49:15,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:49:15,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:49:15,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:49:15,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:49:15,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:49:15,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:49:15,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:49:15,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:49:15,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:49:15,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:49:15,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:49:15,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:49:15,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:49:15,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:49:15,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:49:15,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:49:15,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:49:15,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:49:15,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:49:15,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:49:15,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:49:15,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:49:15,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:49:15,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:49:15,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:49:15,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:49:15,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:49:15,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:49:15,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:49:15,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:49:15,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:49:15,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:49:15,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:49:15,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:49:15,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:49:15,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:49:15,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:49:15,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:49:15,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ea1f4-778d-49f1-bb42-b6a14bc61640/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:49:15,256 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:49:15,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:49:15,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:49:15,258 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:49:15,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:49:15,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:49:15,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:49:15,259 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:49:15,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:49:15,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:49:15,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:49:15,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:49:15,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:49:15,260 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:49:15,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:49:15,260 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:49:15,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:49:15,261 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:49:15,261 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:49:15,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:49:15,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:49:15,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:49:15,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:49:15,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:49:15,262 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:49:15,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:49:15,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:49:15,262 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_e48ea1f4-778d-49f1-bb42-b6a14bc61640/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ea1f4-778d-49f1-bb42-b6a14bc61640/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab1bde687780dc6da404c288209f8d600c01c273554ef27fecbb791d166d54c5 [2022-11-20 16:49:15,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:49:15,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:49:15,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:49:15,542 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:49:15,543 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:49:15,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ea1f4-778d-49f1-bb42-b6a14bc61640/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_18_bad.i [2022-11-20 16:49:18,718 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:49:19,142 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:49:19,149 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ea1f4-778d-49f1-bb42-b6a14bc61640/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_18_bad.i [2022-11-20 16:49:19,177 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ea1f4-778d-49f1-bb42-b6a14bc61640/bin/ukojak-pZX7IvK2PQ/data/6d3240436/dd7acae0f8614c978c80ee1c45e1fbb6/FLAGb0bd49e84 [2022-11-20 16:49:19,195 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ea1f4-778d-49f1-bb42-b6a14bc61640/bin/ukojak-pZX7IvK2PQ/data/6d3240436/dd7acae0f8614c978c80ee1c45e1fbb6 [2022-11-20 16:49:19,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:49:19,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:49:19,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:49:19,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:49:19,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:49:19,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:49:19" (1/1) ... [2022-11-20 16:49:19,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e42b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:19, skipping insertion in model container [2022-11-20 16:49:19,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:49:19" (1/1) ... [2022-11-20 16:49:19,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:49:19,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:49:19,671 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:49:20,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:49:20,189 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:49:20,209 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:49:20,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:49:20,472 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:49:20,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:20 WrapperNode [2022-11-20 16:49:20,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:49:20,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:49:20,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:49:20,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:49:20,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:20" (1/1) ... [2022-11-20 16:49:20,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:20" (1/1) ... [2022-11-20 16:49:20,552 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2022-11-20 16:49:20,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:49:20,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:49:20,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:49:20,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:49:20,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:20" (1/1) ... [2022-11-20 16:49:20,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:20" (1/1) ... [2022-11-20 16:49:20,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:20" (1/1) ... [2022-11-20 16:49:20,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:20" (1/1) ... [2022-11-20 16:49:20,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:20" (1/1) ... [2022-11-20 16:49:20,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:20" (1/1) ... [2022-11-20 16:49:20,595 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:20" (1/1) ... [2022-11-20 16:49:20,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:20" (1/1) ... [2022-11-20 16:49:20,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:49:20,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:49:20,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:49:20,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:49:20,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:20" (1/1) ... [2022-11-20 16:49:20,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:49:20,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ea1f4-778d-49f1-bb42-b6a14bc61640/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:49:20,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ea1f4-778d-49f1-bb42-b6a14bc61640/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:49:20,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ea1f4-778d-49f1-bb42-b6a14bc61640/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:49:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:49:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:49:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:49:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:49:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:49:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:49:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:49:20,918 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:49:20,920 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:49:21,067 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:49:21,105 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:49:21,105 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:49:21,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:49:21 BoogieIcfgContainer [2022-11-20 16:49:21,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:49:21,109 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:49:21,110 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:49:21,122 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:49:21,122 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:49:21" (1/1) ... [2022-11-20 16:49:21,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:49:21,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:21,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 16:49:21,206 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 16:49:21,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:49:21,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:21,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:49:21,449 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 16:49:21,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:49:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-20 16:49:21,507 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-20 16:49:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:49:21,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:49:21,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:49:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:49:21,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:49:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:49:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:49:21,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:49:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:49:21,688 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 16:49:21,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:49:21 ImpRootNode [2022-11-20 16:49:21,720 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:49:21,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:49:21,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:49:21,722 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:49:21,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:49:21" (3/4) ... [2022-11-20 16:49:21,724 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 16:49:21,801 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ea1f4-778d-49f1-bb42-b6a14bc61640/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:49:21,801 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:49:21,802 INFO L158 Benchmark]: Toolchain (without parser) took 2602.61ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 117.0MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:49:21,802 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:49:21,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1269.35ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 91.4MB in the end (delta: 18.7MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2022-11-20 16:49:21,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.67ms. Allocated memory is still 159.4MB. Free memory was 91.4MB in the beginning and 88.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:49:21,803 INFO L158 Benchmark]: Boogie Preprocessor took 55.16ms. Allocated memory is still 159.4MB. Free memory was 88.3MB in the beginning and 87.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:49:21,804 INFO L158 Benchmark]: RCFGBuilder took 499.84ms. Allocated memory is still 159.4MB. Free memory was 87.2MB in the beginning and 74.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 16:49:21,804 INFO L158 Benchmark]: CodeCheck took 611.09ms. Allocated memory is still 159.4MB. Free memory was 74.7MB in the beginning and 119.1MB in the end (delta: -44.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:49:21,805 INFO L158 Benchmark]: Witness Printer took 79.53ms. Allocated memory is still 159.4MB. Free memory was 119.1MB in the beginning and 117.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:49:21,813 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 1558]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1565] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1565] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_min_sub_18_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] data - 1 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1269.35ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 91.4MB in the end (delta: 18.7MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.67ms. Allocated memory is still 159.4MB. Free memory was 91.4MB in the beginning and 88.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.16ms. Allocated memory is still 159.4MB. Free memory was 88.3MB in the beginning and 87.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 499.84ms. Allocated memory is still 159.4MB. Free memory was 87.2MB in the beginning and 74.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 611.09ms. Allocated memory is still 159.4MB. Free memory was 74.7MB in the beginning and 119.1MB in the end (delta: -44.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 79.53ms. Allocated memory is still 159.4MB. Free memory was 119.1MB in the beginning and 117.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 16:49:21,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48ea1f4-778d-49f1-bb42-b6a14bc61640/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)