./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_17_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ca9523-5ebe-4325-b10d-5265cbb265a8/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ca9523-5ebe-4325-b10d-5265cbb265a8/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_92ca9523-5ebe-4325-b10d-5265cbb265a8/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ca9523-5ebe-4325-b10d-5265cbb265a8/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ca9523-5ebe-4325-b10d-5265cbb265a8/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_92ca9523-5ebe-4325-b10d-5265cbb265a8/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 89883321a94a1195d579679d711896c9d59f3b48928ee6207e3c444f1448d5f7 --- 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 17:10:53,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:10:53,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:10:53,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:10:53,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:10:53,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:10:53,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:10:53,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:10:53,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:10:53,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:10:53,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:10:53,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:10:53,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:10:53,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:10:53,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:10:53,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:10:53,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:10:53,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:10:53,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:10:53,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:10:53,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:10:53,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:10:53,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:10:53,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:10:53,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:10:53,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:10:53,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:10:53,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:10:53,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:10:53,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:10:53,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:10:53,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:10:53,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:10:53,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:10:53,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:10:53,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:10:53,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:10:53,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:10:53,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:10:53,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:10:53,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:10:53,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ca9523-5ebe-4325-b10d-5265cbb265a8/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:10:53,843 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:10:53,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:10:53,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:10:53,845 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:10:53,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:10:53,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:10:53,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:10:53,847 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:10:53,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:10:53,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:10:53,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:10:53,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:10:53,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:10:53,849 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:10:53,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:10:53,849 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:10:53,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:10:53,849 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:10:53,850 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:10:53,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:10:53,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:10:53,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:10:53,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:10:53,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:10:53,851 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:10:53,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:10:53,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:10:53,851 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_92ca9523-5ebe-4325-b10d-5265cbb265a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ca9523-5ebe-4325-b10d-5265cbb265a8/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89883321a94a1195d579679d711896c9d59f3b48928ee6207e3c444f1448d5f7 [2022-11-20 17:10:54,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:10:54,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:10:54,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:10:54,220 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:10:54,222 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:10:54,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ca9523-5ebe-4325-b10d-5265cbb265a8/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_17_bad.i [2022-11-20 17:10:57,406 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:10:57,754 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:10:57,755 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ca9523-5ebe-4325-b10d-5265cbb265a8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_17_bad.i [2022-11-20 17:10:57,797 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ca9523-5ebe-4325-b10d-5265cbb265a8/bin/ukojak-pZX7IvK2PQ/data/3c680a158/5c9ac6b6921d4c22a0db629f0c0c0045/FLAG286e1d4e8 [2022-11-20 17:10:57,818 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ca9523-5ebe-4325-b10d-5265cbb265a8/bin/ukojak-pZX7IvK2PQ/data/3c680a158/5c9ac6b6921d4c22a0db629f0c0c0045 [2022-11-20 17:10:57,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:10:57,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:10:57,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:10:57,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:10:57,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:10:57,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:10:57" (1/1) ... [2022-11-20 17:10:57,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcf264c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:57, skipping insertion in model container [2022-11-20 17:10:57,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:10:57" (1/1) ... [2022-11-20 17:10:57,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:10:57,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:10:58,328 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:10:58,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:10:58,795 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:10:58,819 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:10:58,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:10:59,037 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:10:59,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:59 WrapperNode [2022-11-20 17:10:59,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:10:59,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:10:59,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:10:59,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:10:59,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:59" (1/1) ... [2022-11-20 17:10:59,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:59" (1/1) ... [2022-11-20 17:10:59,114 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-11-20 17:10:59,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:10:59,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:10:59,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:10:59,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:10:59,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:59" (1/1) ... [2022-11-20 17:10:59,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:59" (1/1) ... [2022-11-20 17:10:59,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:59" (1/1) ... [2022-11-20 17:10:59,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:59" (1/1) ... [2022-11-20 17:10:59,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:59" (1/1) ... [2022-11-20 17:10:59,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:59" (1/1) ... [2022-11-20 17:10:59,163 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:59" (1/1) ... [2022-11-20 17:10:59,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:59" (1/1) ... [2022-11-20 17:10:59,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:10:59,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:10:59,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:10:59,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:10:59,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:10:59" (1/1) ... [2022-11-20 17:10:59,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:10:59,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ca9523-5ebe-4325-b10d-5265cbb265a8/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:10:59,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ca9523-5ebe-4325-b10d-5265cbb265a8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:10:59,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ca9523-5ebe-4325-b10d-5265cbb265a8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:10:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:10:59,271 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:10:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:10:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:10:59,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:10:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:10:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:10:59,418 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:10:59,420 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:10:59,531 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:10:59,608 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:10:59,609 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:10:59,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:10:59 BoogieIcfgContainer [2022-11-20 17:10:59,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:10:59,612 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:10:59,612 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:10:59,639 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:10:59,639 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:10:59" (1/1) ... [2022-11-20 17:10:59,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:10:59,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:59,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2022-11-20 17:10:59,712 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-11-20 17:10:59,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:10:59,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:59,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:00,132 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 17:11:00,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:00,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2022-11-20 17:11:00,218 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-20 17:11:00,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:11:00,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:00,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:00,317 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 17:11:00,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:00,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2022-11-20 17:11:00,335 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-20 17:11:00,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:11:00,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:00,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:00,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:11:00,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2022-11-20 17:11:00,541 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-20 17:11:00,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:11:00,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:00,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:00,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:11:00,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:00,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2022-11-20 17:11:00,850 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-20 17:11:00,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:11:00,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:00,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:11:00,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:11:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:11:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:11:00,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:11:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:11:01,025 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2022-11-20 17:11:01,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:11:01 ImpRootNode [2022-11-20 17:11:01,098 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:11:01,099 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:11:01,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:11:01,099 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:11:01,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:10:59" (3/4) ... [2022-11-20 17:11:01,102 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 17:11:01,194 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ca9523-5ebe-4325-b10d-5265cbb265a8/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:11:01,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:11:01,195 INFO L158 Benchmark]: Toolchain (without parser) took 3370.29ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 104.0MB in the beginning and 138.7MB in the end (delta: -34.7MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2022-11-20 17:11:01,195 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 117.4MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:11:01,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1210.49ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 62.7MB in the end (delta: 41.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-20 17:11:01,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.26ms. Allocated memory is still 142.6MB. Free memory was 62.7MB in the beginning and 59.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:11:01,197 INFO L158 Benchmark]: Boogie Preprocessor took 51.20ms. Allocated memory is still 142.6MB. Free memory was 59.7MB in the beginning and 58.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:11:01,198 INFO L158 Benchmark]: RCFGBuilder took 443.99ms. Allocated memory is still 142.6MB. Free memory was 58.3MB in the beginning and 100.6MB in the end (delta: -42.3MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-11-20 17:11:01,198 INFO L158 Benchmark]: CodeCheck took 1486.06ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 43.4MB in the end (delta: 57.3MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-20 17:11:01,199 INFO L158 Benchmark]: Witness Printer took 95.24ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 43.4MB in the beginning and 138.7MB in the end (delta: -95.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2022-11-20 17:11:01,202 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, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 22 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2/3 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: 1560]: 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_min_predec_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 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, i=0] [L1553] COND TRUE i < 1 [L1555] data = (-0x7fffffff - 1) [L1553] i++ 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, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 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, i=1, j=0] [L1557] COND TRUE j < 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, i=1, j=0] [L1560] --data 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, i=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 117.4MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1210.49ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 62.7MB in the end (delta: 41.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.26ms. Allocated memory is still 142.6MB. Free memory was 62.7MB in the beginning and 59.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.20ms. Allocated memory is still 142.6MB. Free memory was 59.7MB in the beginning and 58.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 443.99ms. Allocated memory is still 142.6MB. Free memory was 58.3MB in the beginning and 100.6MB in the end (delta: -42.3MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * CodeCheck took 1486.06ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 43.4MB in the end (delta: 57.3MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 95.24ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 43.4MB in the beginning and 138.7MB in the end (delta: -95.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 17:11:01,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92ca9523-5ebe-4325-b10d-5265cbb265a8/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)