./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_aff00dc8-337e-4503-863c-d56aead130ca/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff00dc8-337e-4503-863c-d56aead130ca/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff00dc8-337e-4503-863c-d56aead130ca/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff00dc8-337e-4503-863c-d56aead130ca/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff00dc8-337e-4503-863c-d56aead130ca/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff00dc8-337e-4503-863c-d56aead130ca/bin/ukojak-jW3SillKbg --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 29456b4f0ed20e8ad5fa3fc8ad10fa5a3693ddd74b1e227e35ef4dd1d53b4a98 --- 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-b5237d8 [2022-11-21 22:38:45,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:38:45,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:38:45,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:38:45,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:38:45,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:38:45,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:38:45,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:38:45,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:38:45,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:38:45,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:38:45,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:38:45,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:38:45,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:38:45,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:38:45,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:38:45,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:38:45,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:38:45,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:38:45,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:38:45,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:38:45,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:38:45,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:38:45,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:38:45,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:38:45,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:38:45,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:38:45,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:38:45,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:38:45,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:38:45,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:38:45,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:38:45,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:38:45,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:38:45,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:38:45,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:38:45,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:38:45,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:38:45,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:38:45,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:38:45,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:38:45,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff00dc8-337e-4503-863c-d56aead130ca/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:38:45,243 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:38:45,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:38:45,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:38:45,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:38:45,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:38:45,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:38:45,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:38:45,247 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:38:45,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:38:45,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:38:45,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:38:45,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:38:45,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:38:45,249 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:38:45,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:38:45,249 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:38:45,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:38:45,250 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:38:45,250 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:38:45,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:38:45,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:38:45,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:38:45,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:38:45,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:38:45,251 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:38:45,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:38:45,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:38:45,252 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_aff00dc8-337e-4503-863c-d56aead130ca/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff00dc8-337e-4503-863c-d56aead130ca/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29456b4f0ed20e8ad5fa3fc8ad10fa5a3693ddd74b1e227e35ef4dd1d53b4a98 [2022-11-21 22:38:45,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:38:45,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:38:45,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:38:45,566 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:38:45,567 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:38:45,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff00dc8-337e-4503-863c-d56aead130ca/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_08_bad.i [2022-11-21 22:38:48,590 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:38:48,944 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:38:48,945 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff00dc8-337e-4503-863c-d56aead130ca/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_08_bad.i [2022-11-21 22:38:48,970 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff00dc8-337e-4503-863c-d56aead130ca/bin/ukojak-jW3SillKbg/data/5bde13ed0/5106110f1da44dbda37d3b9ee0bcd8c3/FLAG062e6ef0e [2022-11-21 22:38:48,987 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff00dc8-337e-4503-863c-d56aead130ca/bin/ukojak-jW3SillKbg/data/5bde13ed0/5106110f1da44dbda37d3b9ee0bcd8c3 [2022-11-21 22:38:48,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:38:48,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:38:48,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:38:48,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:38:48,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:38:48,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:38:48" (1/1) ... [2022-11-21 22:38:49,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d969560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:49, skipping insertion in model container [2022-11-21 22:38:49,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:38:48" (1/1) ... [2022-11-21 22:38:49,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:38:49,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:38:49,513 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:38:50,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:38:50,042 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:38:50,073 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:38:50,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:38:50,301 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:38:50,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:50 WrapperNode [2022-11-21 22:38:50,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:38:50,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:38:50,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:38:50,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:38:50,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:50" (1/1) ... [2022-11-21 22:38:50,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:50" (1/1) ... [2022-11-21 22:38:50,384 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2022-11-21 22:38:50,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:38:50,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:38:50,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:38:50,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:38:50,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:50" (1/1) ... [2022-11-21 22:38:50,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:50" (1/1) ... [2022-11-21 22:38:50,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:50" (1/1) ... [2022-11-21 22:38:50,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:50" (1/1) ... [2022-11-21 22:38:50,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:50" (1/1) ... [2022-11-21 22:38:50,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:50" (1/1) ... [2022-11-21 22:38:50,433 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:50" (1/1) ... [2022-11-21 22:38:50,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:50" (1/1) ... [2022-11-21 22:38:50,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:38:50,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:38:50,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:38:50,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:38:50,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:50" (1/1) ... [2022-11-21 22:38:50,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:38:50,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff00dc8-337e-4503-863c-d56aead130ca/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:38:50,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff00dc8-337e-4503-863c-d56aead130ca/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:38:50,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff00dc8-337e-4503-863c-d56aead130ca/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:38:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:38:50,525 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:38:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:38:50,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:38:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:38:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-21 22:38:50,526 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-21 22:38:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:38:50,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:38:50,681 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:38:50,683 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:38:50,787 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:38:50,849 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:38:50,849 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:38:50,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:38:50 BoogieIcfgContainer [2022-11-21 22:38:50,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:38:50,858 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:38:50,858 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:38:50,882 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:38:50,883 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:38:50" (1/1) ... [2022-11-21 22:38:50,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:38:50,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:38:50,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2022-11-21 22:38:50,978 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-11-21 22:38:50,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:38:50,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:38:50,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:38:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:38:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:38:51,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:38:51,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 21 transitions. [2022-11-21 22:38:51,657 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-21 22:38:51,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:38:51,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:38:51,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:38:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:38:51,677 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:38:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:38:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:38:51,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:38:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:38:51,822 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-21 22:38:51,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:38:51 ImpRootNode [2022-11-21 22:38:51,867 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:38:51,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:38:51,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:38:51,868 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:38:51,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:38:50" (3/4) ... [2022-11-21 22:38:51,871 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 22:38:51,916 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff00dc8-337e-4503-863c-d56aead130ca/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:38:51,916 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:38:51,917 INFO L158 Benchmark]: Toolchain (without parser) took 2926.08ms. Allocated memory is still 159.4MB. Free memory was 122.9MB in the beginning and 89.7MB in the end (delta: 33.2MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2022-11-21 22:38:51,918 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory was 96.5MB in the beginning and 96.4MB in the end (delta: 70.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:38:51,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1309.01ms. Allocated memory is still 159.4MB. Free memory was 122.3MB in the beginning and 74.3MB in the end (delta: 48.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-21 22:38:51,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.54ms. Allocated memory is still 159.4MB. Free memory was 74.3MB in the beginning and 71.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:38:51,919 INFO L158 Benchmark]: Boogie Preprocessor took 51.72ms. Allocated memory is still 159.4MB. Free memory was 71.5MB in the beginning and 70.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:38:51,920 INFO L158 Benchmark]: RCFGBuilder took 420.32ms. Allocated memory is still 159.4MB. Free memory was 69.4MB in the beginning and 128.1MB in the end (delta: -58.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-11-21 22:38:51,921 INFO L158 Benchmark]: CodeCheck took 1008.88ms. Allocated memory is still 159.4MB. Free memory was 128.1MB in the beginning and 92.8MB in the end (delta: 35.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-21 22:38:51,921 INFO L158 Benchmark]: Witness Printer took 48.64ms. Allocated memory is still 159.4MB. Free memory was 92.8MB in the beginning and 89.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:38:51,925 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 22 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 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, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 1/2 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 - CounterExampleResult [Line: 1567]: 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); [L1576] 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) [L1576] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={14:12}, argv={14:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE191_Integer_Underflow__int_min_postdec_08_bad() [L1558] int data; [L1559] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticReturnsTrue()=1] [L1560] COND TRUE staticReturnsTrue() [L1562] 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] [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() 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, staticReturnsTrue()=1] [L1564] COND TRUE staticReturnsTrue() [L1567] data-- VAL [data=-2147483648, 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 0.28ms. Allocated memory is still 127.9MB. Free memory was 96.5MB in the beginning and 96.4MB in the end (delta: 70.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1309.01ms. Allocated memory is still 159.4MB. Free memory was 122.3MB in the beginning and 74.3MB in the end (delta: 48.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.54ms. Allocated memory is still 159.4MB. Free memory was 74.3MB in the beginning and 71.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.72ms. Allocated memory is still 159.4MB. Free memory was 71.5MB in the beginning and 70.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.32ms. Allocated memory is still 159.4MB. Free memory was 69.4MB in the beginning and 128.1MB in the end (delta: -58.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * CodeCheck took 1008.88ms. Allocated memory is still 159.4MB. Free memory was 128.1MB in the beginning and 92.8MB in the end (delta: 35.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 48.64ms. Allocated memory is still 159.4MB. Free memory was 92.8MB in the beginning and 89.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 22:38:51,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff00dc8-337e-4503-863c-d56aead130ca/bin/ukojak-jW3SillKbg/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)