./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/Et2_true.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/Et2_true.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN --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 73e4e9ad44f0149f289e6777e967feb732bfbe685996eb202297bca837b8bf8d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:07:34,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:07:34,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:07:34,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:07:34,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:07:34,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:07:34,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:07:34,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:07:34,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:07:34,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:07:34,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:07:34,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:07:34,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:07:34,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:07:34,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:07:34,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:07:34,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:07:34,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:07:34,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:07:34,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:07:34,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:07:34,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:07:34,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:07:34,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:07:34,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:07:34,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:07:34,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:07:34,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:07:34,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:07:34,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:07:34,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:07:34,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:07:34,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:07:34,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:07:34,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:07:34,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:07:34,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:07:34,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:07:34,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:07:34,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:07:34,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:07:34,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 05:07:34,571 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:07:34,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:07:34,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:07:34,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:07:34,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:07:34,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:07:34,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:07:34,573 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:07:34,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:07:34,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:07:34,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:07:34,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:07:34,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:07:34,574 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:07:34,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:07:34,575 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:07:34,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:07:34,575 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:07:34,575 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:07:34,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:07:34,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:07:34,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:07:34,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:07:34,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:07:34,577 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:07:34,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:07:34,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:07:34,577 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_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73e4e9ad44f0149f289e6777e967feb732bfbe685996eb202297bca837b8bf8d [2021-11-21 05:07:34,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:07:34,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:07:34,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:07:34,892 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:07:34,892 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:07:34,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-numeric/Et2_true.c [2021-11-21 05:07:34,997 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN/data/71ae22bbb/011aa8e4d67c43c29b0033309e31c0f3/FLAG9612dcf13 [2021-11-21 05:07:35,483 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:07:35,483 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/sv-benchmarks/c/termination-numeric/Et2_true.c [2021-11-21 05:07:35,492 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN/data/71ae22bbb/011aa8e4d67c43c29b0033309e31c0f3/FLAG9612dcf13 [2021-11-21 05:07:35,859 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN/data/71ae22bbb/011aa8e4d67c43c29b0033309e31c0f3 [2021-11-21 05:07:35,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:07:35,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:07:35,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:07:35,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:07:35,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:07:35,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:07:35" (1/1) ... [2021-11-21 05:07:35,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5542930c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:35, skipping insertion in model container [2021-11-21 05:07:35,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:07:35" (1/1) ... [2021-11-21 05:07:35,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:07:35,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:07:36,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:07:36,057 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:07:36,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:07:36,091 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:07:36,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:36 WrapperNode [2021-11-21 05:07:36,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:07:36,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:07:36,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:07:36,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:07:36,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:36" (1/1) ... [2021-11-21 05:07:36,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:36" (1/1) ... [2021-11-21 05:07:36,125 INFO L137 Inliner]: procedures = 6, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2021-11-21 05:07:36,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:07:36,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:07:36,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:07:36,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:07:36,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:36" (1/1) ... [2021-11-21 05:07:36,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:36" (1/1) ... [2021-11-21 05:07:36,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:36" (1/1) ... [2021-11-21 05:07:36,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:36" (1/1) ... [2021-11-21 05:07:36,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:36" (1/1) ... [2021-11-21 05:07:36,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:36" (1/1) ... [2021-11-21 05:07:36,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:36" (1/1) ... [2021-11-21 05:07:36,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:07:36,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:07:36,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:07:36,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:07:36,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:36" (1/1) ... [2021-11-21 05:07:36,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:07:36,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:07:36,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:07:36,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:07:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-21 05:07:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure random [2021-11-21 05:07:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure loop [2021-11-21 05:07:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure loop [2021-11-21 05:07:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:07:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:07:36,318 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:07:36,320 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:07:36,457 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:07:36,471 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:07:36,471 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 05:07:36,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:07:36 BoogieIcfgContainer [2021-11-21 05:07:36,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:07:36,475 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:07:36,475 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:07:36,485 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:07:36,485 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:07:36" (1/1) ... [2021-11-21 05:07:36,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:07:36,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:07:36,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2021-11-21 05:07:36,552 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2021-11-21 05:07:36,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:07:36,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:07:36,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:07:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:07:36,630 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 05:07:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:07:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:07:36,690 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 05:07:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:07:36,714 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-21 05:07:36,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 05:07:36 ImpRootNode [2021-11-21 05:07:36,735 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 05:07:36,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 05:07:36,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 05:07:36,737 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 05:07:36,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:07:36" (3/4) ... [2021-11-21 05:07:36,739 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-21 05:07:36,774 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 05:07:36,781 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 05:07:36,783 INFO L158 Benchmark]: Toolchain (without parser) took 919.48ms. Allocated memory is still 100.7MB. Free memory was 61.1MB in the beginning and 53.0MB in the end (delta: 8.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-21 05:07:36,784 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 100.7MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:07:36,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.20ms. Allocated memory is still 100.7MB. Free memory was 60.9MB in the beginning and 76.9MB in the end (delta: -16.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:07:36,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.59ms. Allocated memory is still 100.7MB. Free memory was 76.9MB in the beginning and 75.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:07:36,789 INFO L158 Benchmark]: Boogie Preprocessor took 32.31ms. Allocated memory is still 100.7MB. Free memory was 75.7MB in the beginning and 74.8MB in the end (delta: 836.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:07:36,790 INFO L158 Benchmark]: RCFGBuilder took 308.35ms. Allocated memory is still 100.7MB. Free memory was 74.8MB in the beginning and 64.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:07:36,791 INFO L158 Benchmark]: CodeCheck took 261.04ms. Allocated memory is still 100.7MB. Free memory was 64.8MB in the beginning and 54.7MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 05:07:36,793 INFO L158 Benchmark]: Witness Printer took 45.68ms. Allocated memory is still 100.7MB. Free memory was 54.7MB in the beginning and 53.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:07:36,797 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, 39 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 33]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x = __VERIFIER_nondet_int(); [L24] int y = __VERIFIER_nondet_int(); [L25] int z = __VERIFIER_nondet_int(); [L26] CALL random() [L31] int x = __VERIFIER_nondet_int(); [L32] COND TRUE x < 0 VAL [x=-2147483648] [L33] -x VAL [x=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 100.7MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.20ms. Allocated memory is still 100.7MB. Free memory was 60.9MB in the beginning and 76.9MB in the end (delta: -16.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.59ms. Allocated memory is still 100.7MB. Free memory was 76.9MB in the beginning and 75.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.31ms. Allocated memory is still 100.7MB. Free memory was 75.7MB in the beginning and 74.8MB in the end (delta: 836.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 308.35ms. Allocated memory is still 100.7MB. Free memory was 74.8MB in the beginning and 64.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 261.04ms. Allocated memory is still 100.7MB. Free memory was 64.8MB in the beginning and 54.7MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 45.68ms. Allocated memory is still 100.7MB. Free memory was 54.7MB in the beginning and 53.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-21 05:07:36,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac23eab-1b8d-4f21-aeb5-9d396fa7b4c9/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)