./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8949b03-df1e-470a-a76d-911b196c559f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8949b03-df1e-470a-a76d-911b196c559f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8949b03-df1e-470a-a76d-911b196c559f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8949b03-df1e-470a-a76d-911b196c559f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8949b03-df1e-470a-a76d-911b196c559f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8949b03-df1e-470a-a76d-911b196c559f/bin/ukojak-verify-G8NBE6pJGL --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 12586f28203ad48b9026fe813c42990970a62196c7a1d36489c96f441bedf780 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:00:37,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:37,700 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8949b03-df1e-470a-a76d-911b196c559f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:00:37,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:00:37,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:00:37,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:37,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:00:37,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:00:37,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:37,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:37,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:37,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:37,759 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:00:37,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:00:37,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:00:37,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:37,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:37,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:37,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:37,764 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:00:37,765 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:00:37,765 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:00:37,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:37,766 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:37,767 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:37,767 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:37,767 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:37,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:37,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:37,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:37,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:37,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:00:37,771 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:00:37,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:00:37,772 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:00:37,785 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_a8949b03-df1e-470a-a76d-911b196c559f/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8949b03-df1e-470a-a76d-911b196c559f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12586f28203ad48b9026fe813c42990970a62196c7a1d36489c96f441bedf780 [2023-11-19 04:00:38,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:38,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:38,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:38,130 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:38,131 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:38,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8949b03-df1e-470a-a76d-911b196c559f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i [2023-11-19 04:00:41,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:41,493 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:41,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8949b03-df1e-470a-a76d-911b196c559f/sv-benchmarks/c/loop-zilu/benchmark48_linear.i [2023-11-19 04:00:41,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8949b03-df1e-470a-a76d-911b196c559f/bin/ukojak-verify-G8NBE6pJGL/data/a0fc5360f/e82d662673524ec891005722c9e11553/FLAG1703aeb90 [2023-11-19 04:00:41,518 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8949b03-df1e-470a-a76d-911b196c559f/bin/ukojak-verify-G8NBE6pJGL/data/a0fc5360f/e82d662673524ec891005722c9e11553 [2023-11-19 04:00:41,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:41,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:41,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:41,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:41,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:41,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:41" (1/1) ... [2023-11-19 04:00:41,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f483b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:41, skipping insertion in model container [2023-11-19 04:00:41,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:41" (1/1) ... [2023-11-19 04:00:41,556 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:41,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:41,722 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:41,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:41,750 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:41,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:41 WrapperNode [2023-11-19 04:00:41,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:41,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:41,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:41,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:41,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:41" (1/1) ... [2023-11-19 04:00:41,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:41" (1/1) ... [2023-11-19 04:00:41,792 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-11-19 04:00:41,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:41,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:41,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:41,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:41,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:41" (1/1) ... [2023-11-19 04:00:41,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:41" (1/1) ... [2023-11-19 04:00:41,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:41" (1/1) ... [2023-11-19 04:00:41,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:41" (1/1) ... [2023-11-19 04:00:41,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:41" (1/1) ... [2023-11-19 04:00:41,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:41" (1/1) ... [2023-11-19 04:00:41,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:41" (1/1) ... [2023-11-19 04:00:41,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:41" (1/1) ... [2023-11-19 04:00:41,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:41,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:41,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:41,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:41,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:41" (1/1) ... [2023-11-19 04:00:41,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:41,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8949b03-df1e-470a-a76d-911b196c559f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:41,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8949b03-df1e-470a-a76d-911b196c559f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:41,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8949b03-df1e-470a-a76d-911b196c559f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:00:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:41,988 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:41,992 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:42,209 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:42,259 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:42,259 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:00:42,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:42 BoogieIcfgContainer [2023-11-19 04:00:42,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:42,267 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:42,267 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:42,279 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:42,280 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:42" (1/1) ... [2023-11-19 04:00:42,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:42,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:42,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2023-11-19 04:00:42,343 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-11-19 04:00:42,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:00:42,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:42,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:42,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:42,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:42,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-19 04:00:42,564 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-19 04:00:42,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:00:42,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:42,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:42,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:42,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:42,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2023-11-19 04:00:42,682 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-11-19 04:00:42,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:00:42,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:42,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:42,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:00:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:42,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:00:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:42,749 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-19 04:00:42,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:00:42 ImpRootNode [2023-11-19 04:00:42,772 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:00:42,772 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:00:42,773 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:00:42,773 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:00:42,774 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:42" (3/4) ... [2023-11-19 04:00:42,774 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 04:00:42,810 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8949b03-df1e-470a-a76d-911b196c559f/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:00:42,811 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:00:42,812 INFO L158 Benchmark]: Toolchain (without parser) took 1288.75ms. Allocated memory is still 172.0MB. Free memory was 124.3MB in the beginning and 76.0MB in the end (delta: 48.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-19 04:00:42,812 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 172.0MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:00:42,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.31ms. Allocated memory is still 172.0MB. Free memory was 124.3MB in the beginning and 114.0MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:00:42,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.63ms. Allocated memory is still 172.0MB. Free memory was 113.8MB in the beginning and 112.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:00:42,814 INFO L158 Benchmark]: Boogie Preprocessor took 23.32ms. Allocated memory is still 172.0MB. Free memory was 112.5MB in the beginning and 111.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:00:42,814 INFO L158 Benchmark]: RCFGBuilder took 446.91ms. Allocated memory is still 172.0MB. Free memory was 111.3MB in the beginning and 99.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:00:42,815 INFO L158 Benchmark]: CodeCheck took 505.06ms. Allocated memory is still 172.0MB. Free memory was 99.5MB in the beginning and 77.8MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 04:00:42,816 INFO L158 Benchmark]: Witness Printer took 38.33ms. Allocated memory is still 172.0MB. Free memory was 77.5MB in the beginning and 76.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:00:42,819 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, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 6 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 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: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int i = __VERIFIER_nondet_int(); [L21] int j = __VERIFIER_nondet_int(); [L22] int k = __VERIFIER_nondet_int(); [L23] COND FALSE !(!(i 0)) VAL [i=0, j=1, k=2147483647] [L24] COND TRUE i