./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/Et1_true.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/Et1_true.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB --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 12a23acd81bac6be96fab6b12e781f8cdea13b9704294dc24053fce5ee3c8327 --- 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-dbf71c6-m [2022-10-17 16:31:17,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:31:17,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:31:17,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:31:17,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:31:17,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:31:17,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:31:17,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:31:17,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:31:17,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:31:17,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:31:17,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:31:17,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:31:17,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:31:17,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:31:17,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:31:17,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:31:17,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:31:17,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:31:17,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:31:17,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:31:17,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:31:17,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:31:17,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:31:17,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:31:17,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:31:17,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:31:17,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:31:17,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:31:17,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:31:17,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:31:17,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:31:17,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:31:17,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:31:17,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:31:17,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:31:17,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:31:17,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:31:17,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:31:17,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:31:17,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:31:17,414 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:31:17,467 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:31:17,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:31:17,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:31:17,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:31:17,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:31:17,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:31:17,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:31:17,471 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:31:17,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:31:17,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:31:17,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:31:17,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:31:17,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:31:17,473 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:31:17,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:31:17,474 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:31:17,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:31:17,474 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:31:17,474 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:31:17,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:31:17,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:17,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:31:17,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:31:17,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:31:17,476 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:31:17,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:31:17,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:31:17,476 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_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12a23acd81bac6be96fab6b12e781f8cdea13b9704294dc24053fce5ee3c8327 [2022-10-17 16:31:17,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:31:17,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:31:17,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:31:17,827 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:31:17,828 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:31:17,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-numeric/Et1_true.c [2022-10-17 16:31:17,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB/data/65ebe6821/4831ec305cee4d4cb45cd6e86485b48e/FLAGc87a1cd6c [2022-10-17 16:31:18,338 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:31:18,339 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/sv-benchmarks/c/termination-numeric/Et1_true.c [2022-10-17 16:31:18,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB/data/65ebe6821/4831ec305cee4d4cb45cd6e86485b48e/FLAGc87a1cd6c [2022-10-17 16:31:18,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB/data/65ebe6821/4831ec305cee4d4cb45cd6e86485b48e [2022-10-17 16:31:18,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:18,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:18,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:18,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:18,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:18,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:18" (1/1) ... [2022-10-17 16:31:18,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@609ddbf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:18, skipping insertion in model container [2022-10-17 16:31:18,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:18" (1/1) ... [2022-10-17 16:31:18,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:18,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:19,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:19,075 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:31:19,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:19,105 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:31:19,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19 WrapperNode [2022-10-17 16:31:19,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:19,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:19,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:31:19,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:31:19,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:19,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:19,144 INFO L138 Inliner]: procedures = 6, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-10-17 16:31:19,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:19,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:31:19,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:31:19,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:31:19,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:19,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:19,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:19,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:19,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:19,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:19,172 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:19,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:19,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:31:19,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:31:19,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:31:19,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:31:19,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:19,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:19,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:31:19,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:31:19,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:31:19,292 INFO L130 BoogieDeclarations]: Found specification of procedure random [2022-10-17 16:31:19,294 INFO L138 BoogieDeclarations]: Found implementation of procedure random [2022-10-17 16:31:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure loop [2022-10-17 16:31:19,294 INFO L138 BoogieDeclarations]: Found implementation of procedure loop [2022-10-17 16:31:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:31:19,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:31:19,362 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:31:19,365 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:31:19,562 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:31:19,581 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:31:19,582 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:31:19,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:19 BoogieIcfgContainer [2022-10-17 16:31:19,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:31:19,589 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:31:19,589 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:31:19,598 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:31:19,598 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:19" (1/1) ... [2022-10-17 16:31:19,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:31:19,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:19,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2022-10-17 16:31:19,664 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2022-10-17 16:31:19,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:31:19,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:19,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:31:19,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:31:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:31:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:31:19,826 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:31:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:31:19,852 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-10-17 16:31:19,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:31:19 ImpRootNode [2022-10-17 16:31:19,883 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:31:19,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:31:19,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:31:19,884 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:31:19,884 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:19" (3/4) ... [2022-10-17 16:31:19,901 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:31:19,955 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:31:19,955 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:31:19,957 INFO L158 Benchmark]: Toolchain (without parser) took 1205.27ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 44.7MB in the beginning and 51.1MB in the end (delta: -6.4MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2022-10-17 16:31:19,958 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 61.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:31:19,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.52ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 44.5MB in the beginning and 76.9MB in the end (delta: -32.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:31:19,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.26ms. Allocated memory is still 100.7MB. Free memory was 76.9MB in the beginning and 75.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:31:19,961 INFO L158 Benchmark]: Boogie Preprocessor took 34.62ms. Allocated memory is still 100.7MB. Free memory was 75.6MB in the beginning and 74.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:31:19,962 INFO L158 Benchmark]: RCFGBuilder took 403.38ms. Allocated memory is still 100.7MB. Free memory was 74.5MB in the beginning and 63.7MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:31:19,963 INFO L158 Benchmark]: CodeCheck took 293.78ms. Allocated memory is still 100.7MB. Free memory was 63.7MB in the beginning and 53.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:31:19,964 INFO L158 Benchmark]: Witness Printer took 72.21ms. Allocated memory is still 100.7MB. Free memory was 52.6MB in the beginning and 51.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:31:19,970 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, 37 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, 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: 31]: integer overflow possible integer overflow possible We found a FailurePath: [L21] int x = __VERIFIER_nondet_int(); [L22] int y = __VERIFIER_nondet_int(); [L23] int z = __VERIFIER_nondet_int(); [L24] CALL random() [L29] int x = __VERIFIER_nondet_int(); [L30] COND TRUE x < 0 VAL [x=-2147483648] [L31] -x VAL [x=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 61.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.52ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 44.5MB in the beginning and 76.9MB in the end (delta: -32.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.26ms. Allocated memory is still 100.7MB. Free memory was 76.9MB in the beginning and 75.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.62ms. Allocated memory is still 100.7MB. Free memory was 75.6MB in the beginning and 74.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 403.38ms. Allocated memory is still 100.7MB. Free memory was 74.5MB in the beginning and 63.7MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 293.78ms. Allocated memory is still 100.7MB. Free memory was 63.7MB in the beginning and 53.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 72.21ms. Allocated memory is still 100.7MB. Free memory was 52.6MB in the beginning and 51.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:31:20,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dc29c9-4a2f-498f-afb2-9bea0f88aea5/bin/ukojak-92XMlrwhuB/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)