./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 cf1a7837 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_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/bin/ukojak-verify-0OAaufAVZV/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_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/bin/ukojak-verify-0OAaufAVZV --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-cf1a783 [2023-11-11 23:41:52,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:41:52,088 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:41:52,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:41:52,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:41:52,122 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:41:52,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:41:52,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:41:52,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:41:52,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:41:52,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:41:52,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:41:52,127 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:41:52,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:41:52,128 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:41:52,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:41:52,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:41:52,130 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:41:52,130 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:41:52,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:41:52,131 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:41:52,132 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:41:52,132 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:41:52,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:41:52,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:41:52,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:41:52,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:41:52,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:41:52,135 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:41:52,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:41:52,136 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:41:52,136 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_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d3b1a458f9027059a3589bba9b063c67be5b54a9d774100762ce2971e52e252 [2023-11-11 23:41:52,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:41:52,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:41:52,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:41:52,480 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:41:52,481 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:41:52,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1.c [2023-11-11 23:41:55,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:41:56,142 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:41:56,143 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1.c [2023-11-11 23:41:56,154 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/bin/ukojak-verify-0OAaufAVZV/data/f48ee0d9e/b824a699c7064085b3559659f31f6df0/FLAG89cb39aad [2023-11-11 23:41:56,178 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/bin/ukojak-verify-0OAaufAVZV/data/f48ee0d9e/b824a699c7064085b3559659f31f6df0 [2023-11-11 23:41:56,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:41:56,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:41:56,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:41:56,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:41:56,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:41:56,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:41:56" (1/1) ... [2023-11-11 23:41:56,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd70722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:56, skipping insertion in model container [2023-11-11 23:41:56,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:41:56" (1/1) ... [2023-11-11 23:41:56,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:41:56,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:41:56,452 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:41:56,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:41:56,491 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:41:56,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:56 WrapperNode [2023-11-11 23:41:56,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:41:56,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:41:56,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:41:56,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:41:56,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:56" (1/1) ... [2023-11-11 23:41:56,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:56" (1/1) ... [2023-11-11 23:41:56,530 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-11-11 23:41:56,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:41:56,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:41:56,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:41:56,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:41:56,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:56" (1/1) ... [2023-11-11 23:41:56,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:56" (1/1) ... [2023-11-11 23:41:56,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:56" (1/1) ... [2023-11-11 23:41:56,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:56" (1/1) ... [2023-11-11 23:41:56,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:56" (1/1) ... [2023-11-11 23:41:56,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:56" (1/1) ... [2023-11-11 23:41:56,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:56" (1/1) ... [2023-11-11 23:41:56,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:56" (1/1) ... [2023-11-11 23:41:56,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:41:56,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:41:56,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:41:56,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:41:56,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:56" (1/1) ... [2023-11-11 23:41:56,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:41:56,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:41:56,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:41:56,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:41:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:41:56,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:41:56,757 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:41:56,761 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:41:57,036 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:41:57,064 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:41:57,064 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:41:57,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:41:57 BoogieIcfgContainer [2023-11-11 23:41:57,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:41:57,069 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:41:57,069 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:41:57,082 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:41:57,083 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:41:57" (1/1) ... [2023-11-11 23:41:57,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:41:57,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:57,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-11-11 23:41:57,177 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-11 23:41:57,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:41:57,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:57,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:57,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:57,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:57,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-11-11 23:41:57,494 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-11 23:41:57,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:41:57,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:57,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:57,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:57,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2023-11-11 23:41:57,740 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2023-11-11 23:41:57,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:41:57,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:57,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:57,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:41:57,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:57,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2023-11-11 23:41:57,842 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2023-11-11 23:41:57,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:41:57,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:57,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:41:57,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:41:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:41:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:41:57,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:41:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:41:57,987 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-11-11 23:41:58,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:41:58 ImpRootNode [2023-11-11 23:41:58,033 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:41:58,046 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:41:58,046 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:41:58,046 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:41:58,047 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:41:57" (3/4) ... [2023-11-11 23:41:58,048 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:41:58,103 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:41:58,103 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:41:58,104 INFO L158 Benchmark]: Toolchain (without parser) took 1915.03ms. Allocated memory is still 140.5MB. Free memory was 102.9MB in the beginning and 110.1MB in the end (delta: -7.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:41:58,105 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 109.1MB. Free memory was 76.4MB in the beginning and 76.3MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:41:58,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.23ms. Allocated memory is still 140.5MB. Free memory was 102.3MB in the beginning and 92.9MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:41:58,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.79ms. Allocated memory is still 140.5MB. Free memory was 92.9MB in the beginning and 91.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:41:58,107 INFO L158 Benchmark]: Boogie Preprocessor took 25.81ms. Allocated memory is still 140.5MB. Free memory was 91.3MB in the beginning and 90.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:41:58,108 INFO L158 Benchmark]: RCFGBuilder took 509.21ms. Allocated memory is still 140.5MB. Free memory was 90.3MB in the beginning and 78.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:41:58,109 INFO L158 Benchmark]: CodeCheck took 963.93ms. Allocated memory is still 140.5MB. Free memory was 78.8MB in the beginning and 111.2MB in the end (delta: -32.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:41:58,110 INFO L158 Benchmark]: Witness Printer took 57.56ms. Allocated memory is still 140.5MB. Free memory was 111.2MB in the beginning and 110.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:41:58,115 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: 0.9s, 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, 0.3s 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=0, i=2147483647, j=1] [L20] COND FALSE !(an >= i && bn >= j) VAL [an=2147483647, bn=0, i=2147483647, j=1] [L26] COND TRUE an >= i && bn <= j VAL [an=2147483647, bn=0, i=2147483647, j=1] [L27] i + 1 VAL [an=2147483647, bn=0, i=2147483647, j=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 109.1MB. Free memory was 76.4MB in the beginning and 76.3MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.23ms. Allocated memory is still 140.5MB. Free memory was 102.3MB in the beginning and 92.9MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.79ms. Allocated memory is still 140.5MB. Free memory was 92.9MB in the beginning and 91.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.81ms. Allocated memory is still 140.5MB. Free memory was 91.3MB in the beginning and 90.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 509.21ms. Allocated memory is still 140.5MB. Free memory was 90.3MB in the beginning and 78.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 963.93ms. Allocated memory is still 140.5MB. Free memory was 78.8MB in the beginning and 111.2MB in the end (delta: -32.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 57.56ms. Allocated memory is still 140.5MB. Free memory was 111.2MB in the beginning and 110.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-11 23:41:58,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61dd584a-a24d-45fb-a2bf-cd0fa83b1176/bin/ukojak-verify-0OAaufAVZV/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)