./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/bin/ukojak-verify-afCqCEvfdi --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 0568d11f1ee970af57899a335ec74cbcaa52bf37ceadcf747199b0f868955b00 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:22,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:22,986 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:11:22,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:11:22,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:11:23,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:23,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:11:23,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:11:23,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:23,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:23,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:23,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:11:23,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:11:23,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:23,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:11:23,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:23,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:11:23,026 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:11:23,027 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:11:23,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:11:23,028 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:23,029 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:23,029 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:23,030 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:23,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:23,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:23,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:23,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:23,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:11:23,033 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:11:23,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:11:23,034 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:11:23,035 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_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0568d11f1ee970af57899a335ec74cbcaa52bf37ceadcf747199b0f868955b00 [2023-11-24 23:11:23,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:23,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:23,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:23,320 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:23,321 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:23,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Fig1.c [2023-11-24 23:11:26,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:26,936 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:26,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Fig1.c [2023-11-24 23:11:26,944 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/bin/ukojak-verify-afCqCEvfdi/data/731f45bec/49a1dac1bc834c00a45b2b3e93396785/FLAGcabd9dfea [2023-11-24 23:11:26,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/bin/ukojak-verify-afCqCEvfdi/data/731f45bec/49a1dac1bc834c00a45b2b3e93396785 [2023-11-24 23:11:26,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:26,962 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:26,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:26,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:26,969 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:26,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:26" (1/1) ... [2023-11-24 23:11:26,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db02511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:26, skipping insertion in model container [2023-11-24 23:11:26,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:26" (1/1) ... [2023-11-24 23:11:26,991 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:27,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:27,155 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:27,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:27,180 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:27,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27 WrapperNode [2023-11-24 23:11:27,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:27,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:27,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:27,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:27,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:27,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:27,211 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2023-11-24 23:11:27,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:27,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:27,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:27,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:27,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:27,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:27,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:27,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:27,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:27,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:27,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:27,233 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:27,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:27,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:27,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:27,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:27,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:27,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:27,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:27,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:27,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:27,410 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:27,413 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:27,540 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:27,592 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:27,592 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:11:27,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:27 BoogieIcfgContainer [2023-11-24 23:11:27,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:27,603 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:27,604 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:27,615 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:27,615 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:27" (1/1) ... [2023-11-24 23:11:27,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:27,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:27,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-24 23:11:27,676 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-24 23:11:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:11:27,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:27,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:27,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:27,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:27,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-11-24 23:11:27,972 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-11-24 23:11:27,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:11:27,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:27,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:27,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:11:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:28,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:11:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:11:28,070 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 23:11:28,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:11:28 ImpRootNode [2023-11-24 23:11:28,095 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:11:28,096 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:11:28,096 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:11:28,097 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:11:28,098 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:27" (3/4) ... [2023-11-24 23:11:28,101 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 23:11:28,152 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:11:28,154 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:11:28,156 INFO L158 Benchmark]: Toolchain (without parser) took 1193.06ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 88.4MB in the beginning and 152.0MB in the end (delta: -63.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:11:28,156 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 132.1MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:11:28,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.95ms. Allocated memory is still 132.1MB. Free memory was 88.1MB in the beginning and 78.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:11:28,157 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.31ms. Allocated memory is still 132.1MB. Free memory was 78.8MB in the beginning and 77.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:11:28,158 INFO L158 Benchmark]: Boogie Preprocessor took 27.68ms. Allocated memory is still 132.1MB. Free memory was 77.3MB in the beginning and 76.4MB in the end (delta: 840.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:11:28,161 INFO L158 Benchmark]: RCFGBuilder took 352.70ms. Allocated memory is still 132.1MB. Free memory was 76.4MB in the beginning and 67.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 23:11:28,161 INFO L158 Benchmark]: CodeCheck took 492.35ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 66.9MB in the beginning and 153.2MB in the end (delta: -86.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:11:28,164 INFO L158 Benchmark]: Witness Printer took 58.30ms. Allocated memory is still 184.5MB. Free memory was 153.2MB in the beginning and 152.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:11:28,168 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 2 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int q, y; [L15] q = __VERIFIER_nondet_int() [L16] y = __VERIFIER_nondet_int() [L17] COND TRUE q > 0 VAL [q=1, y=-2147483647] [L18] q - y VAL [q=1, y=-2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 132.1MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.95ms. Allocated memory is still 132.1MB. Free memory was 88.1MB in the beginning and 78.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.31ms. Allocated memory is still 132.1MB. Free memory was 78.8MB in the beginning and 77.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.68ms. Allocated memory is still 132.1MB. Free memory was 77.3MB in the beginning and 76.4MB in the end (delta: 840.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.70ms. Allocated memory is still 132.1MB. Free memory was 76.4MB in the beginning and 67.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 492.35ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 66.9MB in the beginning and 153.2MB in the end (delta: -86.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 58.30ms. Allocated memory is still 184.5MB. Free memory was 153.2MB in the beginning and 152.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 23:11:28,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2a2a-7ca9-40a4-bfa7-39fe8ef620bf/bin/ukojak-verify-afCqCEvfdi/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)