./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prodbin.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prodbin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b --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 a7dff50a5c131f5f3e263636f30a459d7f3ec4f0fe901f92a5987676a99374c1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:54:21,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:54:21,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 22:54:21,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:54:21,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:54:21,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:54:21,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:54:21,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:54:21,477 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:54:21,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:54:21,478 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:54:21,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:54:21,478 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:54:21,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:54:21,478 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:54:21,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:54:21,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:54:21,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:54:21,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:54:21,479 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:54:21,479 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:54:21,479 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:54:21,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:54:21,479 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:54:21,479 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:54:21,479 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:54:21,479 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:54:21,479 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:54:21,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:54:21,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:54:21,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:54:21,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:54:21,480 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:54:21,480 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:54:21,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:54:21,480 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b 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 -> a7dff50a5c131f5f3e263636f30a459d7f3ec4f0fe901f92a5987676a99374c1 [2024-12-05 22:54:21,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:54:21,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:54:21,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:54:21,704 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:54:21,704 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:54:21,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_prodbin.c [2024-12-05 22:54:24,359 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/data/b4d907950/d2bd1c6ed2844b6bbe2ecbde120b2ae7/FLAGc08df9bb1 [2024-12-05 22:54:24,568 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:54:24,568 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/sv-benchmarks/c/recursified_nla-digbench/recursified_prodbin.c [2024-12-05 22:54:24,574 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/data/b4d907950/d2bd1c6ed2844b6bbe2ecbde120b2ae7/FLAGc08df9bb1 [2024-12-05 22:54:24,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/data/b4d907950/d2bd1c6ed2844b6bbe2ecbde120b2ae7 [2024-12-05 22:54:24,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:54:24,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:54:24,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:54:24,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:54:24,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:54:24,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:54:24" (1/1) ... [2024-12-05 22:54:24,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a8eb74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:24, skipping insertion in model container [2024-12-05 22:54:24,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:54:24" (1/1) ... [2024-12-05 22:54:24,609 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:54:24,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:54:24,769 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:54:24,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:54:24,803 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:54:24,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:24 WrapperNode [2024-12-05 22:54:24,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:54:24,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:54:24,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:54:24,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:54:24,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:24" (1/1) ... [2024-12-05 22:54:24,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:24" (1/1) ... [2024-12-05 22:54:24,834 INFO L138 Inliner]: procedures = 16, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-12-05 22:54:24,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:54:24,835 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:54:24,835 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:54:24,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:54:24,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:24" (1/1) ... [2024-12-05 22:54:24,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:24" (1/1) ... [2024-12-05 22:54:24,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:24" (1/1) ... [2024-12-05 22:54:24,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:24" (1/1) ... [2024-12-05 22:54:24,850 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:24" (1/1) ... [2024-12-05 22:54:24,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:24" (1/1) ... [2024-12-05 22:54:24,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:24" (1/1) ... [2024-12-05 22:54:24,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:24" (1/1) ... [2024-12-05 22:54:24,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:24" (1/1) ... [2024-12-05 22:54:24,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:54:24,857 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:54:24,857 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:54:24,857 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:54:24,858 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:24" (1/1) ... [2024-12-05 22:54:24,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:54:24,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:54:24,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:54:24,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:54:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:54:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:54:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:54:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:54:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:54:24,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:54:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:54:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:54:24,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:54:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_30_to_40_0 [2024-12-05 22:54:24,914 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_30_to_40_0 [2024-12-05 22:54:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:54:24,972 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:54:24,973 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:54:25,197 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-12-05 22:54:25,197 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:54:25,241 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:54:25,242 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:54:25,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:54:25 BoogieIcfgContainer [2024-12-05 22:54:25,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:54:25,243 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:54:25,243 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:54:25,252 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:54:25,252 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:54:25" (1/1) ... [2024-12-05 22:54:25,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:54:25,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:25,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2024-12-05 22:54:25,307 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2024-12-05 22:54:25,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:54:25,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:25,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:54:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:54:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:54:25,524 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:54:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:54:25,565 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:54:25,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:54:25 ImpRootNode [2024-12-05 22:54:25,592 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:54:25,593 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:54:25,593 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:54:25,593 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:54:25,593 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:54:25" (3/4) ... [2024-12-05 22:54:25,595 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:54:25,596 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:54:25,596 INFO L158 Benchmark]: Toolchain (without parser) took 1007.68ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 39.4MB in the end (delta: 53.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-05 22:54:25,597 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:54:25,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.63ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:54:25,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.69ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:54:25,598 INFO L158 Benchmark]: Boogie Preprocessor took 21.53ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.7MB in the end (delta: 909.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:54:25,598 INFO L158 Benchmark]: RCFGBuilder took 384.92ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 59.7MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:54:25,599 INFO L158 Benchmark]: CodeCheck took 349.25ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 39.7MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:54:25,599 INFO L158 Benchmark]: Witness Printer took 3.27ms. Allocated memory is still 117.4MB. Free memory was 39.7MB in the beginning and 39.4MB in the end (delta: 280.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:54:25,601 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 3 procedures, 50 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 87. Possible FailurePath: [L82] int a; [L83] int b; [L84] int x; [L85] int y; [L86] int z; [L87] a = __VERIFIER_nondet_double() [L88] b = __VERIFIER_nondet_double() [L89] EXPR \read(b) [L89] CALL assume_abort_if_not(b >= 1) [L24] COND FALSE !(!cond) [L89] RET assume_abort_if_not(b >= 1) [L90] EXPR \read(a) [L90] x = a [L91] EXPR \read(b) [L91] y = b [L92] z = 0 VAL [a={5:0}, b={4:0}, x={6:0}, y={7:0}, z={8:0}] [L93] CALL func_to_recursive_line_30_to_40_0(&a, &b, &z, &x, &y) VAL [\old(a)={5:0}, \old(b)={4:0}, \old(x)={6:0}, \old(y)={7:0}, \old(z)={8:0}] [L54] \read(*z) [L54] EXPR \read(*x) [L54] EXPR \read(*y) VAL [\old(a)={5:0}, \old(b)={4:0}, \old(x)={6:0}, \old(y)={7:0}, \old(z)={8:0}, a={5:0}, b={4:0}, x={6:0}, y={7:0}, z={8:0}] [L54] (*x) * (*y) VAL [\old(a)={5:0}, \old(b)={4:0}, \old(x)={6:0}, \old(y)={7:0}, \old(z)={8:0}, a={5:0}, b={4:0}, x={6:0}, y={7:0}, z={8:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.63ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.69ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.53ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.7MB in the end (delta: 909.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 384.92ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 59.7MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 349.25ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 39.7MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.27ms. Allocated memory is still 117.4MB. Free memory was 39.7MB in the beginning and 39.4MB in the end (delta: 280.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:54:25,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prodbin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b --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 a7dff50a5c131f5f3e263636f30a459d7f3ec4f0fe901f92a5987676a99374c1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:54:27,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:54:27,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-05 22:54:27,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:54:27,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:54:27,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:54:27,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:54:27,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:54:27,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:54:27,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:54:27,654 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:54:27,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:54:27,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:54:27,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:54:27,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:54:27,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:54:27,655 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:54:27,655 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:54:27,655 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:54:27,655 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:54:27,655 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:54:27,655 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:54:27,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:54:27,655 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:54:27,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:54:27,655 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:54:27,656 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:54:27,656 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:54:27,656 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:27,656 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:54:27,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:54:27,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:54:27,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:54:27,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:54:27,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:54:27,656 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:54:27,656 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:27,657 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:54:27,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b 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 -> a7dff50a5c131f5f3e263636f30a459d7f3ec4f0fe901f92a5987676a99374c1 [2024-12-05 22:54:27,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:54:27,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:54:27,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:54:27,928 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:54:27,928 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:54:27,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_prodbin.c [2024-12-05 22:54:30,723 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/data/59c916f1a/cf164b70b4be49afa0470a4ca224fef8/FLAG42ffec39a [2024-12-05 22:54:30,877 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:54:30,878 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/sv-benchmarks/c/recursified_nla-digbench/recursified_prodbin.c [2024-12-05 22:54:30,885 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/data/59c916f1a/cf164b70b4be49afa0470a4ca224fef8/FLAG42ffec39a [2024-12-05 22:54:30,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/data/59c916f1a/cf164b70b4be49afa0470a4ca224fef8 [2024-12-05 22:54:30,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:54:30,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:54:30,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:54:30,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:54:30,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:54:30,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:54:30" (1/1) ... [2024-12-05 22:54:30,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cba7e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:30, skipping insertion in model container [2024-12-05 22:54:30,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:54:30" (1/1) ... [2024-12-05 22:54:30,927 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:54:31,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:54:31,087 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:54:31,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:54:31,122 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:54:31,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:31 WrapperNode [2024-12-05 22:54:31,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:54:31,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:54:31,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:54:31,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:54:31,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:31" (1/1) ... [2024-12-05 22:54:31,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:31" (1/1) ... [2024-12-05 22:54:31,151 INFO L138 Inliner]: procedures = 19, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-12-05 22:54:31,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:54:31,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:54:31,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:54:31,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:54:31,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:31" (1/1) ... [2024-12-05 22:54:31,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:31" (1/1) ... [2024-12-05 22:54:31,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:31" (1/1) ... [2024-12-05 22:54:31,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:31" (1/1) ... [2024-12-05 22:54:31,170 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:31" (1/1) ... [2024-12-05 22:54:31,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:31" (1/1) ... [2024-12-05 22:54:31,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:31" (1/1) ... [2024-12-05 22:54:31,174 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:31" (1/1) ... [2024-12-05 22:54:31,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:31" (1/1) ... [2024-12-05 22:54:31,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:54:31,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:54:31,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:54:31,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:54:31,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:54:31" (1/1) ... [2024-12-05 22:54:31,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:54:31,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:54:31,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:54:31,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:54:31,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:54:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:54:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:54:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 22:54:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:54:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:54:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:54:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:54:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_30_to_40_0 [2024-12-05 22:54:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_30_to_40_0 [2024-12-05 22:54:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:54:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 22:54:31,304 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:54:31,306 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:54:32,304 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-12-05 22:54:32,305 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:54:32,356 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:54:32,357 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:54:32,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:54:32 BoogieIcfgContainer [2024-12-05 22:54:32,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:54:32,358 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:54:32,358 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:54:32,367 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:54:32,367 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:54:32" (1/1) ... [2024-12-05 22:54:32,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:54:32,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:32,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2024-12-05 22:54:32,416 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2024-12-05 22:54:32,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:54:32,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:32,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:32,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:32,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:32,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b9560-39da-481c-920a-6cea11b6f50d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process