./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/prodbin-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_7f7bc795-7004-4d03-ae33-cb8a8fec525b/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f7bc795-7004-4d03-ae33-cb8a8fec525b/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f7bc795-7004-4d03-ae33-cb8a8fec525b/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f7bc795-7004-4d03-ae33-cb8a8fec525b/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/prodbin-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f7bc795-7004-4d03-ae33-cb8a8fec525b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f7bc795-7004-4d03-ae33-cb8a8fec525b/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --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 e66c8fdc8f3b3771cfa7e4d7d95a3c34e49547186ed45b177a99c3aa50cb9f3b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:08:19,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:08:19,561 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f7bc795-7004-4d03-ae33-cb8a8fec525b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:08:19,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:08:19,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:08:19,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:08:19,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:08:19,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:08:19,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:08:19,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:08:19,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:08:19,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:08:19,621 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:08:19,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:08:19,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:08:19,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:08:19,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:08:19,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:08:19,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:08:19,626 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:08:19,626 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:08:19,627 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:08:19,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:08:19,628 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:08:19,629 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:08:19,629 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:08:19,630 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:08:19,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:08:19,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:19,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:08:19,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:08:19,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:08:19,633 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:08:19,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:08:19,634 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:08:19,634 INFO L153 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_7f7bc795-7004-4d03-ae33-cb8a8fec525b/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f7bc795-7004-4d03-ae33-cb8a8fec525b/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e66c8fdc8f3b3771cfa7e4d7d95a3c34e49547186ed45b177a99c3aa50cb9f3b [2023-11-23 20:08:20,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:08:20,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:08:20,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:08:20,037 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:08:20,038 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:08:20,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f7bc795-7004-4d03-ae33-cb8a8fec525b/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-nla/prodbin-both-t.c [2023-11-23 20:08:23,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:08:23,446 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:08:23,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f7bc795-7004-4d03-ae33-cb8a8fec525b/sv-benchmarks/c/termination-nla/prodbin-both-t.c [2023-11-23 20:08:23,454 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f7bc795-7004-4d03-ae33-cb8a8fec525b/bin/ukojak-verify-1t5iHCbJaC/data/2f6bf5bd8/a3202d55eac84dd487b09b381a58ea97/FLAG9fec0481a [2023-11-23 20:08:23,470 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f7bc795-7004-4d03-ae33-cb8a8fec525b/bin/ukojak-verify-1t5iHCbJaC/data/2f6bf5bd8/a3202d55eac84dd487b09b381a58ea97 [2023-11-23 20:08:23,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:08:23,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:08:23,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:23,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:08:23,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:08:23,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:23" (1/1) ... [2023-11-23 20:08:23,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61cd23c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:23, skipping insertion in model container [2023-11-23 20:08:23,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:23" (1/1) ... [2023-11-23 20:08:23,510 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:08:23,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:23,713 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:08:23,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:23,755 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:08:23,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:23 WrapperNode [2023-11-23 20:08:23,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:23,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:23,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:08:23,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:08:23,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:23" (1/1) ... [2023-11-23 20:08:23,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:23" (1/1) ... [2023-11-23 20:08:23,795 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-11-23 20:08:23,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:23,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:08:23,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:08:23,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:08:23,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:23" (1/1) ... [2023-11-23 20:08:23,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:23" (1/1) ... [2023-11-23 20:08:23,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:23" (1/1) ... [2023-11-23 20:08:23,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:23" (1/1) ... [2023-11-23 20:08:23,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:23" (1/1) ... [2023-11-23 20:08:23,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:23" (1/1) ... [2023-11-23 20:08:23,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:23" (1/1) ... [2023-11-23 20:08:23,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:23" (1/1) ... [2023-11-23 20:08:23,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:08:23,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:08:23,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:08:23,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:08:23,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:23" (1/1) ... [2023-11-23 20:08:23,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:23,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f7bc795-7004-4d03-ae33-cb8a8fec525b/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:08:23,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f7bc795-7004-4d03-ae33-cb8a8fec525b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:08:23,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f7bc795-7004-4d03-ae33-cb8a8fec525b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:08:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:08:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:08:23,955 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:08:23,957 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:08:24,250 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:08:24,272 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:08:24,272 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:08:24,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:24 BoogieIcfgContainer [2023-11-23 20:08:24,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:08:24,275 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:08:24,276 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:08:24,286 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:08:24,287 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:24" (1/1) ... [2023-11-23 20:08:24,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:08:24,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:24,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2023-11-23 20:08:24,431 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2023-11-23 20:08:24,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:08:24,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:24,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:24,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:24,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:24,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2023-11-23 20:08:24,773 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2023-11-23 20:08:24,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:08:24,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:24,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:25,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:25,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 49 states and 52 transitions. [2023-11-23 20:08:25,021 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2023-11-23 20:08:25,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:08:25,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:25,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:08:25,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:08:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:08:25,076 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-23 20:08:25,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:08:25 ImpRootNode [2023-11-23 20:08:25,106 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:08:25,106 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:08:25,107 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:08:25,107 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:08:25,107 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:24" (3/4) ... [2023-11-23 20:08:25,109 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:08:25,171 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f7bc795-7004-4d03-ae33-cb8a8fec525b/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:08:25,171 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:08:25,172 INFO L158 Benchmark]: Toolchain (without parser) took 1697.19ms. Allocated memory is still 132.1MB. Free memory was 86.6MB in the beginning and 81.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-11-23 20:08:25,173 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:08:25,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.07ms. Allocated memory is still 132.1MB. Free memory was 86.6MB in the beginning and 76.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:08:25,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.68ms. Allocated memory is still 132.1MB. Free memory was 76.6MB in the beginning and 75.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:08:25,175 INFO L158 Benchmark]: Boogie Preprocessor took 22.63ms. Allocated memory is still 132.1MB. Free memory was 75.2MB in the beginning and 74.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:08:25,175 INFO L158 Benchmark]: RCFGBuilder took 454.57ms. Allocated memory is still 132.1MB. Free memory was 74.0MB in the beginning and 61.9MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:08:25,175 INFO L158 Benchmark]: CodeCheck took 830.53ms. Allocated memory is still 132.1MB. Free memory was 61.9MB in the beginning and 82.8MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:08:25,176 INFO L158 Benchmark]: Witness Printer took 64.70ms. Allocated memory is still 132.1MB. Free memory was 82.8MB in the beginning and 81.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:08:25,184 INFO L338 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, 44 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 8 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 38]: integer overflow possible integer overflow possible We found a FailurePath: [L21] int a, b; [L22] int x, y, z; [L24] a = __VERIFIER_nondet_int() [L25] b = __VERIFIER_nondet_int() [L28] COND FALSE !(b < 1) [L32] x = a [L33] y = b [L34] z = 0 VAL [a=-3, b=715827883, x=-3, y=715827883, z=0] [L36] COND TRUE 1 VAL [a=-3, b=715827883, x=-3, y=715827883, z=0] [L38] y + z VAL [a=-3, b=715827883, x=-3, y=715827883, z=0] [L38] x * y VAL [a=-3, b=715827883, x=-3, y=715827883, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.07ms. Allocated memory is still 132.1MB. Free memory was 86.6MB in the beginning and 76.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.68ms. Allocated memory is still 132.1MB. Free memory was 76.6MB in the beginning and 75.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.63ms. Allocated memory is still 132.1MB. Free memory was 75.2MB in the beginning and 74.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 454.57ms. Allocated memory is still 132.1MB. Free memory was 74.0MB in the beginning and 61.9MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 830.53ms. Allocated memory is still 132.1MB. Free memory was 61.9MB in the beginning and 82.8MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 64.70ms. Allocated memory is still 132.1MB. Free memory was 82.8MB in the beginning and 81.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:08:25,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f7bc795-7004-4d03-ae33-cb8a8fec525b/bin/ukojak-verify-1t5iHCbJaC/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)