./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark12_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_134aa314-e00e-49cb-b553-a7673483c43e/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134aa314-e00e-49cb-b553-a7673483c43e/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_134aa314-e00e-49cb-b553-a7673483c43e/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134aa314-e00e-49cb-b553-a7673483c43e/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark12_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134aa314-e00e-49cb-b553-a7673483c43e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134aa314-e00e-49cb-b553-a7673483c43e/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 32bit --witnessprinter.graph.data.programhash b17ee119bef1fd8cd5134a7af55c483345112c89dff1a376575e65f669f9d0d6 --- 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 18:25:49,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:25:49,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:25:49,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:25:49,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:25:49,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:25:49,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:25:49,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:25:49,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:25:49,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:25:49,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:25:49,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:25:49,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:25:49,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:25:49,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:25:49,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:25:49,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:25:49,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:25:49,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:25:49,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:25:49,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:25:49,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:25:49,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:25:49,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:25:49,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:25:49,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:25:49,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:25:49,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:25:49,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:25:49,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:25:49,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:25:49,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:25:49,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:25:49,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:25:49,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:25:49,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:25:49,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:25:49,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:25:49,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:25:49,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:25:49,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:25:49,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134aa314-e00e-49cb-b553-a7673483c43e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 18:25:49,580 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:25:49,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:25:49,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:25:49,581 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:25:49,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:25:49,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:25:49,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:25:49,583 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:25:49,583 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:25:49,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:25:49,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:25:49,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:25:49,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:25:49,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:25:49,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:25:49,584 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:25:49,584 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:25:49,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:25:49,585 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:25:49,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:25:49,585 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:25:49,585 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:25:49,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:25:49,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:25:49,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:25:49,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:25:49,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:25:49,586 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:25:49,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:25:49,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:25:49,587 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_134aa314-e00e-49cb-b553-a7673483c43e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134aa314-e00e-49cb-b553-a7673483c43e/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b17ee119bef1fd8cd5134a7af55c483345112c89dff1a376575e65f669f9d0d6 [2022-11-20 18:25:49,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:25:49,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:25:49,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:25:49,946 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:25:49,946 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:25:49,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134aa314-e00e-49cb-b553-a7673483c43e/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/loop-zilu/benchmark12_linear.i [2022-11-20 18:25:53,017 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:25:53,249 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:25:53,250 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134aa314-e00e-49cb-b553-a7673483c43e/sv-benchmarks/c/loop-zilu/benchmark12_linear.i [2022-11-20 18:25:53,256 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134aa314-e00e-49cb-b553-a7673483c43e/bin/ukojak-pZX7IvK2PQ/data/58ef4a056/d87ba14a5e3949259d3a75bd66ce7177/FLAG996a47e39 [2022-11-20 18:25:53,269 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134aa314-e00e-49cb-b553-a7673483c43e/bin/ukojak-pZX7IvK2PQ/data/58ef4a056/d87ba14a5e3949259d3a75bd66ce7177 [2022-11-20 18:25:53,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:25:53,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:25:53,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:25:53,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:25:53,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:25:53,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:25:53" (1/1) ... [2022-11-20 18:25:53,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a0db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:53, skipping insertion in model container [2022-11-20 18:25:53,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:25:53" (1/1) ... [2022-11-20 18:25:53,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:25:53,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:25:53,481 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134aa314-e00e-49cb-b553-a7673483c43e/sv-benchmarks/c/loop-zilu/benchmark12_linear.i[868,881] [2022-11-20 18:25:53,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:25:53,500 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:25:53,510 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134aa314-e00e-49cb-b553-a7673483c43e/sv-benchmarks/c/loop-zilu/benchmark12_linear.i[868,881] [2022-11-20 18:25:53,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:25:53,526 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:25:53,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:53 WrapperNode [2022-11-20 18:25:53,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:25:53,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:25:53,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:25:53,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:25:53,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:53" (1/1) ... [2022-11-20 18:25:53,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:53" (1/1) ... [2022-11-20 18:25:53,566 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2022-11-20 18:25:53,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:25:53,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:25:53,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:25:53,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:25:53,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:53" (1/1) ... [2022-11-20 18:25:53,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:53" (1/1) ... [2022-11-20 18:25:53,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:53" (1/1) ... [2022-11-20 18:25:53,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:53" (1/1) ... [2022-11-20 18:25:53,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:53" (1/1) ... [2022-11-20 18:25:53,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:53" (1/1) ... [2022-11-20 18:25:53,582 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:53" (1/1) ... [2022-11-20 18:25:53,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:53" (1/1) ... [2022-11-20 18:25:53,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:25:53,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:25:53,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:25:53,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:25:53,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:53" (1/1) ... [2022-11-20 18:25:53,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:25:53,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134aa314-e00e-49cb-b553-a7673483c43e/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:25:53,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134aa314-e00e-49cb-b553-a7673483c43e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:25:53,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134aa314-e00e-49cb-b553-a7673483c43e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:25:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:25:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:25:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:25:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:25:53,748 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:25:53,750 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:25:53,854 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:25:53,881 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:25:53,881 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 18:25:53,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:25:53 BoogieIcfgContainer [2022-11-20 18:25:53,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:25:53,885 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:25:53,885 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:25:53,895 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:25:53,895 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:25:53" (1/1) ... [2022-11-20 18:25:53,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:25:53,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:53,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2022-11-20 18:25:53,956 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-11-20 18:25:53,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:25:53,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:53,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:25:54,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:25:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:25:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:25:54,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:25:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:25:54,120 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-20 18:25:54,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:25:54 ImpRootNode [2022-11-20 18:25:54,144 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:25:54,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:25:54,145 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:25:54,159 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:25:54,159 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:25:53" (3/4) ... [2022-11-20 18:25:54,161 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 18:25:54,226 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134aa314-e00e-49cb-b553-a7673483c43e/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:25:54,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:25:54,228 INFO L158 Benchmark]: Toolchain (without parser) took 953.68ms. Allocated memory is still 153.1MB. Free memory was 122.9MB in the beginning and 93.2MB in the end (delta: 29.7MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-11-20 18:25:54,229 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory was 82.4MB in the beginning and 82.4MB in the end (delta: 76.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:25:54,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.32ms. Allocated memory is still 153.1MB. Free memory was 122.1MB in the beginning and 120.5MB in the end (delta: 1.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 18:25:54,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.68ms. Allocated memory is still 153.1MB. Free memory was 120.5MB in the beginning and 119.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:25:54,231 INFO L158 Benchmark]: Boogie Preprocessor took 17.80ms. Allocated memory is still 153.1MB. Free memory was 119.2MB in the beginning and 118.4MB in the end (delta: 858.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:25:54,232 INFO L158 Benchmark]: RCFGBuilder took 298.71ms. Allocated memory is still 153.1MB. Free memory was 117.5MB in the beginning and 105.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:25:54,232 INFO L158 Benchmark]: CodeCheck took 259.31ms. Allocated memory is still 153.1MB. Free memory was 105.8MB in the beginning and 94.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:25:54,247 INFO L158 Benchmark]: Witness Printer took 82.08ms. Allocated memory is still 153.1MB. Free memory was 94.4MB in the beginning and 93.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:25:54,252 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 1 procedures, 10 locations, 2 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: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] int t = __VERIFIER_nondet_int(); [L23] COND FALSE !(!(x!=y && y==t)) VAL [t=2147483647, x=1, y=2147483647] [L24] COND TRUE __VERIFIER_nondet_bool() [L25] COND TRUE x>0 VAL [t=2147483647, x=1, y=2147483647] [L25] y+x VAL [t=2147483647, x=1, y=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory was 82.4MB in the beginning and 82.4MB in the end (delta: 76.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.32ms. Allocated memory is still 153.1MB. Free memory was 122.1MB in the beginning and 120.5MB in the end (delta: 1.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.68ms. Allocated memory is still 153.1MB. Free memory was 120.5MB in the beginning and 119.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.80ms. Allocated memory is still 153.1MB. Free memory was 119.2MB in the beginning and 118.4MB in the end (delta: 858.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 298.71ms. Allocated memory is still 153.1MB. Free memory was 117.5MB in the beginning and 105.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 259.31ms. Allocated memory is still 153.1MB. Free memory was 105.8MB in the beginning and 94.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 82.08ms. Allocated memory is still 153.1MB. Free memory was 94.4MB in the beginning and 93.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 18:25:54,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134aa314-e00e-49cb-b553-a7673483c43e/bin/ukojak-pZX7IvK2PQ/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)