./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_96b3994f-c85f-4703-9e51-f0c866a61c8c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3994f-c85f-4703-9e51-f0c866a61c8c/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_96b3994f-c85f-4703-9e51-f0c866a61c8c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3994f-c85f-4703-9e51-f0c866a61c8c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3994f-c85f-4703-9e51-f0c866a61c8c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3994f-c85f-4703-9e51-f0c866a61c8c/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 64bit --witnessprinter.graph.data.programhash 6d3b1a458f9027059a3589bba9b063c67be5b54a9d774100762ce2971e52e252 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:18:24,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:18:24,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3994f-c85f-4703-9e51-f0c866a61c8c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:18:24,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:18:24,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:18:24,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:18:24,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:18:24,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:18:24,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:18:24,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:18:24,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:18:24,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:18:24,143 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:18:24,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:18:24,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:18:24,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:18:24,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:18:24,147 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:18:24,147 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:18:24,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:18:24,149 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:18:24,149 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:18:24,150 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:18:24,151 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:18:24,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:18:24,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:24,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:18:24,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:18:24,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:18:24,154 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:18:24,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:18:24,155 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:18:24,156 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_96b3994f-c85f-4703-9e51-f0c866a61c8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3994f-c85f-4703-9e51-f0c866a61c8c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d3b1a458f9027059a3589bba9b063c67be5b54a9d774100762ce2971e52e252 [2023-11-23 20:18:24,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:18:24,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:18:24,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:18:24,577 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:18:24,578 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:18:24,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3994f-c85f-4703-9e51-f0c866a61c8c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1.c [2023-11-23 20:18:27,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:18:28,002 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:18:28,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3994f-c85f-4703-9e51-f0c866a61c8c/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1.c [2023-11-23 20:18:28,012 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3994f-c85f-4703-9e51-f0c866a61c8c/bin/ukojak-verify-1t5iHCbJaC/data/3234d1582/2c5b957067f241b2b85637d8dd9f2ffa/FLAGd7873f7f4 [2023-11-23 20:18:28,032 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3994f-c85f-4703-9e51-f0c866a61c8c/bin/ukojak-verify-1t5iHCbJaC/data/3234d1582/2c5b957067f241b2b85637d8dd9f2ffa [2023-11-23 20:18:28,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:18:28,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:18:28,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:28,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:18:28,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:18:28,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:28" (1/1) ... [2023-11-23 20:18:28,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c84a5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:28, skipping insertion in model container [2023-11-23 20:18:28,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:28" (1/1) ... [2023-11-23 20:18:28,075 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:18:28,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:28,244 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:18:28,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:28,272 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:18:28,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:28 WrapperNode [2023-11-23 20:18:28,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:28,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:28,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:18:28,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:18:28,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:28" (1/1) ... [2023-11-23 20:18:28,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:28" (1/1) ... [2023-11-23 20:18:28,311 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-11-23 20:18:28,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:28,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:18:28,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:18:28,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:18:28,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:28" (1/1) ... [2023-11-23 20:18:28,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:28" (1/1) ... [2023-11-23 20:18:28,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:28" (1/1) ... [2023-11-23 20:18:28,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:28" (1/1) ... [2023-11-23 20:18:28,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:28" (1/1) ... [2023-11-23 20:18:28,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:28" (1/1) ... [2023-11-23 20:18:28,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:28" (1/1) ... [2023-11-23 20:18:28,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:28" (1/1) ... [2023-11-23 20:18:28,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:18:28,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:18:28,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:18:28,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:18:28,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:28" (1/1) ... [2023-11-23 20:18:28,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:28,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3994f-c85f-4703-9e51-f0c866a61c8c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:18:28,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3994f-c85f-4703-9e51-f0c866a61c8c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:18:28,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3994f-c85f-4703-9e51-f0c866a61c8c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:18:28,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:18:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:18:28,556 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:18:28,559 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:18:28,708 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:18:28,741 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:18:28,742 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:18:28,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:28 BoogieIcfgContainer [2023-11-23 20:18:28,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:18:28,745 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:18:28,745 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:18:28,756 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:18:28,757 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:28" (1/1) ... [2023-11-23 20:18:28,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:18:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-11-23 20:18:28,829 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-23 20:18:28,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:18:28,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:28,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:29,041 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 20:18:29,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:29,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-11-23 20:18:29,190 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-23 20:18:29,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:18:29,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:29,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:29,255 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 20:18:29,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:29,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2023-11-23 20:18:29,433 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2023-11-23 20:18:29,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:18:29,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:29,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:29,484 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 20:18:29,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:29,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2023-11-23 20:18:29,514 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2023-11-23 20:18:29,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:18:29,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:29,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:29,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:18:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:29,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:18:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:29,581 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-11-23 20:18:29,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:18:29 ImpRootNode [2023-11-23 20:18:29,608 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:18:29,609 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:18:29,610 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:18:29,610 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:18:29,611 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:28" (3/4) ... [2023-11-23 20:18:29,612 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:18:29,654 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3994f-c85f-4703-9e51-f0c866a61c8c/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:18:29,654 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:18:29,655 INFO L158 Benchmark]: Toolchain (without parser) took 1617.73ms. Allocated memory is still 169.9MB. Free memory was 139.3MB in the beginning and 102.2MB in the end (delta: 37.0MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2023-11-23 20:18:29,656 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 130.0MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:29,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.89ms. Allocated memory is still 169.9MB. Free memory was 139.0MB in the beginning and 134.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-11-23 20:18:29,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.85ms. Allocated memory is still 169.9MB. Free memory was 134.8MB in the beginning and 133.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:29,658 INFO L158 Benchmark]: Boogie Preprocessor took 23.74ms. Allocated memory is still 169.9MB. Free memory was 133.6MB in the beginning and 132.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:29,658 INFO L158 Benchmark]: RCFGBuilder took 407.48ms. Allocated memory is still 169.9MB. Free memory was 132.4MB in the beginning and 133.6MB in the end (delta: -1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:18:29,659 INFO L158 Benchmark]: CodeCheck took 863.73ms. Allocated memory is still 169.9MB. Free memory was 133.6MB in the beginning and 103.9MB in the end (delta: 29.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-23 20:18:29,659 INFO L158 Benchmark]: Witness Printer took 45.04ms. Allocated memory is still 169.9MB. Free memory was 103.9MB in the beginning and 102.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:29,662 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, 23 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139 IncrementalHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 14 mSDtfsCounter, 139 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 135 SyntacticMatches, 2 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, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 27]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int i, j, an, bn; [L15] i = __VERIFIER_nondet_int() [L16] j = __VERIFIER_nondet_int() [L17] an = __VERIFIER_nondet_int() [L18] bn = __VERIFIER_nondet_int() [L19] COND TRUE (an >= i && bn >= j) || (an >= i && bn <= j) || (an <= i && bn >= j) VAL [an=2147483647, bn=-1, i=2147483647, j=0] [L20] COND FALSE !(an >= i && bn >= j) VAL [an=2147483647, bn=-1, i=2147483647, j=0] [L26] COND TRUE an >= i && bn <= j VAL [an=2147483647, bn=-1, i=2147483647, j=0] [L27] i + 1 VAL [an=2147483647, bn=-1, i=2147483647, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 130.0MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.89ms. Allocated memory is still 169.9MB. Free memory was 139.0MB in the beginning and 134.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.85ms. Allocated memory is still 169.9MB. Free memory was 134.8MB in the beginning and 133.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.74ms. Allocated memory is still 169.9MB. Free memory was 133.6MB in the beginning and 132.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 407.48ms. Allocated memory is still 169.9MB. Free memory was 132.4MB in the beginning and 133.6MB in the end (delta: -1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 863.73ms. Allocated memory is still 169.9MB. Free memory was 133.6MB in the beginning and 103.9MB in the end (delta: 29.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 45.04ms. Allocated memory is still 169.9MB. Free memory was 103.9MB in the beginning and 102.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:18:29,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3994f-c85f-4703-9e51-f0c866a61c8c/bin/ukojak-verify-1t5iHCbJaC/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)