./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/dijkstra5-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_90ead974-7c59-466c-bf51-1149e5421648/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ead974-7c59-466c-bf51-1149e5421648/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_90ead974-7c59-466c-bf51-1149e5421648/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ead974-7c59-466c-bf51-1149e5421648/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/dijkstra5-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ead974-7c59-466c-bf51-1149e5421648/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ead974-7c59-466c-bf51-1149e5421648/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 32bit --witnessprinter.graph.data.programhash 1311e92b010f06e52be84ec52b75ec93594134b7a325e76c2963ae3ac9ab2bc2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:46:53,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:46:53,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ead974-7c59-466c-bf51-1149e5421648/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:46:53,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:46:53,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:46:53,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:46:53,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:46:53,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:46:53,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:46:53,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:46:53,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:46:53,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:46:53,771 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:46:53,773 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:46:53,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:46:53,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:46:53,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:46:53,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:46:53,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:46:53,776 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:46:53,776 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:46:53,777 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:46:53,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:46:53,778 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:46:53,778 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:46:53,779 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:46:53,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:46:53,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:53,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:46:53,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:46:53,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:46:53,783 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:46:53,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:46:53,784 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:46:53,784 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_90ead974-7c59-466c-bf51-1149e5421648/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ead974-7c59-466c-bf51-1149e5421648/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1311e92b010f06e52be84ec52b75ec93594134b7a325e76c2963ae3ac9ab2bc2 [2023-11-11 23:46:54,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:46:54,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:46:54,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:46:54,162 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:46:54,162 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:46:54,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ead974-7c59-466c-bf51-1149e5421648/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-nla/dijkstra5-both-nt.c [2023-11-11 23:46:57,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:46:57,669 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:46:57,670 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ead974-7c59-466c-bf51-1149e5421648/sv-benchmarks/c/termination-nla/dijkstra5-both-nt.c [2023-11-11 23:46:57,679 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ead974-7c59-466c-bf51-1149e5421648/bin/ukojak-verify-0OAaufAVZV/data/fd80ea86d/521f32683e3547a8aad5604675f1cdea/FLAGa3a43349d [2023-11-11 23:46:57,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ead974-7c59-466c-bf51-1149e5421648/bin/ukojak-verify-0OAaufAVZV/data/fd80ea86d/521f32683e3547a8aad5604675f1cdea [2023-11-11 23:46:57,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:46:57,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:46:57,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:57,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:46:57,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:46:57,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:57,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ff87a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57, skipping insertion in model container [2023-11-11 23:46:57,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:57,741 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:57,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:57,949 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:46:57,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:57,982 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:46:57,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57 WrapperNode [2023-11-11 23:46:57,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:57,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:57,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:46:57,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:46:57,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:57,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:58,030 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 94 [2023-11-11 23:46:58,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:58,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:46:58,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:46:58,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:46:58,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:58,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:58,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:58,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:58,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:58,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:58,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:58,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:58,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:46:58,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:46:58,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:46:58,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:46:58,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:58,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:58,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ead974-7c59-466c-bf51-1149e5421648/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:46:58,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ead974-7c59-466c-bf51-1149e5421648/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:46:58,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ead974-7c59-466c-bf51-1149e5421648/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:46:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:46:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:46:58,230 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:46:58,233 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:46:59,163 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:46:59,181 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:46:59,181 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:46:59,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:59 BoogieIcfgContainer [2023-11-11 23:46:59,185 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:46:59,187 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:46:59,187 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:46:59,198 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:46:59,199 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:59" (1/1) ... [2023-11-11 23:46:59,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:46:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:59,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 128 states and 133 transitions. [2023-11-11 23:46:59,277 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 133 transitions. [2023-11-11 23:46:59,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:46:59,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:59,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:59,447 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 23:46:59,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:59,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 127 states and 131 transitions. [2023-11-11 23:46:59,466 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 131 transitions. [2023-11-11 23:46:59,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:46:59,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:59,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:59,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:46:59,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:59,559 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 23:46:59,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 129 states and 136 transitions. [2023-11-11 23:46:59,620 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2023-11-11 23:46:59,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:46:59,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:59,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:59,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:46:59,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:59,672 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 23:46:59,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:59,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 130 states and 137 transitions. [2023-11-11 23:46:59,701 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 137 transitions. [2023-11-11 23:46:59,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:46:59,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:59,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:59,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:46:59,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:59,734 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 23:46:59,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:59,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 131 states and 138 transitions. [2023-11-11 23:46:59,794 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 138 transitions. [2023-11-11 23:46:59,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:46:59,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:59,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:59,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:46:59,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:59,830 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 23:46:59,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:59,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 132 states and 140 transitions. [2023-11-11 23:46:59,855 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 140 transitions. [2023-11-11 23:46:59,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:46:59,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:59,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:59,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:46:59,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:59,891 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 23:46:59,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:59,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 134 states and 142 transitions. [2023-11-11 23:46:59,924 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 142 transitions. [2023-11-11 23:46:59,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:46:59,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:59,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:59,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:46:59,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:59,956 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 23:46:59,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:59,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 136 states and 144 transitions. [2023-11-11 23:46:59,981 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 144 transitions. [2023-11-11 23:46:59,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:46:59,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:59,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:59,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:46:59,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:47:00,015 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 23:47:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:00,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 137 states and 145 transitions. [2023-11-11 23:47:00,030 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 145 transitions. [2023-11-11 23:47:00,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:47:00,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:00,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:00,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:47:00,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:47:00,068 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 23:47:00,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:00,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 138 states and 146 transitions. [2023-11-11 23:47:00,082 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2023-11-11 23:47:00,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:47:00,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:00,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:00,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:47:00,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:47:00,121 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 23:47:00,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:00,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 139 states and 147 transitions. [2023-11-11 23:47:00,176 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 147 transitions. [2023-11-11 23:47:00,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:47:00,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:00,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:00,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:47:00,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:47:00,227 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 23:47:00,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:00,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 140 states and 148 transitions. [2023-11-11 23:47:00,243 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 148 transitions. [2023-11-11 23:47:00,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:47:00,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:00,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:00,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:47:00,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:47:00,289 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 23:47:00,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:00,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 141 states and 149 transitions. [2023-11-11 23:47:00,351 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 149 transitions. [2023-11-11 23:47:00,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:47:00,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:00,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:47:00,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:47:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:47:00,385 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2023-11-11 23:47:00,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:47:00 ImpRootNode [2023-11-11 23:47:00,413 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:47:00,414 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:47:00,414 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:47:00,415 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:47:00,415 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:59" (3/4) ... [2023-11-11 23:47:00,416 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:47:00,455 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ead974-7c59-466c-bf51-1149e5421648/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:47:00,455 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:47:00,460 INFO L158 Benchmark]: Toolchain (without parser) took 2751.01ms. Allocated memory was 136.3MB in the beginning and 184.5MB in the end (delta: 48.2MB). Free memory was 98.2MB in the beginning and 106.7MB in the end (delta: -8.5MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:00,460 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 136.3MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:00,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.88ms. Allocated memory is still 136.3MB. Free memory was 97.7MB in the beginning and 87.1MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:47:00,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.89ms. Allocated memory is still 136.3MB. Free memory was 87.1MB in the beginning and 85.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:00,463 INFO L158 Benchmark]: Boogie Preprocessor took 39.25ms. Allocated memory is still 136.3MB. Free memory was 85.2MB in the beginning and 83.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:00,466 INFO L158 Benchmark]: RCFGBuilder took 1114.21ms. Allocated memory is still 136.3MB. Free memory was 83.9MB in the beginning and 60.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:00,466 INFO L158 Benchmark]: CodeCheck took 1226.59ms. Allocated memory was 136.3MB in the beginning and 184.5MB in the end (delta: 48.2MB). Free memory was 60.8MB in the beginning and 108.8MB in the end (delta: -47.9MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2023-11-11 23:47:00,467 INFO L158 Benchmark]: Witness Printer took 40.93ms. Allocated memory is still 184.5MB. Free memory was 108.8MB in the beginning and 106.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:00,477 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, 128 locations, 60 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 347 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 185 mSDsluCounter, 160 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 492 IncrementalHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 116 mSDtfsCounter, 492 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 768 GetRequests, 750 SyntacticMatches, 12 SemanticMatches, 6 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 266 SizeOfPredicates, 0 NumberOfNonLiveVariables, 220 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int n, p, q, r, h; [L24] n = __VERIFIER_nondet_int() [L26] p = 0 [L27] q = 1 [L28] r = n [L29] h = 0 VAL [h=0, n=-536870913, p=0, q=1, r=-536870913] [L40] COND TRUE q > n VAL [h=0, n=-536870913, p=0, q=1, r=-536870913] [L41] EXPR h * h VAL [h=0, n=-536870913, p=0, q=1, r=-536870913] [L41] EXPR h * h * p VAL [h=0, n=-536870913, p=0, q=1, r=-536870913] [L41] EXPR 4 * h VAL [h=0, n=-536870913, p=0, q=1, r=-536870913] [L41] EXPR 4 * h * n VAL [h=0, n=-536870913, p=0, q=1, r=-536870913] [L41] EXPR 4 * h * n * q VAL [h=0, n=-536870913, p=0, q=1, r=-536870913] [L41] h * h * p - 4 * h * n * q VAL [h=0, n=-536870913, p=0, q=1, r=-536870913] [L41] 4 * n VAL [h=0, n=-536870913, p=0, q=1, r=-536870913] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 136.3MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.88ms. Allocated memory is still 136.3MB. Free memory was 97.7MB in the beginning and 87.1MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.89ms. Allocated memory is still 136.3MB. Free memory was 87.1MB in the beginning and 85.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.25ms. Allocated memory is still 136.3MB. Free memory was 85.2MB in the beginning and 83.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1114.21ms. Allocated memory is still 136.3MB. Free memory was 83.9MB in the beginning and 60.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 1226.59ms. Allocated memory was 136.3MB in the beginning and 184.5MB in the end (delta: 48.2MB). Free memory was 60.8MB in the beginning and 108.8MB in the end (delta: -47.9MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Witness Printer took 40.93ms. Allocated memory is still 184.5MB. Free memory was 108.8MB in the beginning and 106.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-11 23:47:00,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90ead974-7c59-466c-bf51-1149e5421648/bin/ukojak-verify-0OAaufAVZV/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)