./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.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_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/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_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/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_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/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 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:54:41,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:54:41,679 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 03:54:41,683 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:54:41,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:54:41,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:54:41,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:54:41,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:54:41,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:54:41,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:54:41,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:54:41,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:54:41,704 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:54:41,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:54:41,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:54:41,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:54:41,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:54:41,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:54:41,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:54:41,705 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:54:41,705 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:54:41,705 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:54:41,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:54:41,705 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:54:41,705 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:54:41,705 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:54:41,705 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:54:41,706 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:54:41,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:54:41,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:54:41,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:54:41,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:54:41,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:54:41,706 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:54:41,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:54:41,706 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_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/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 -> 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 [2024-12-06 03:54:41,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:54:41,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:54:41,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:54:41,914 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:54:41,915 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:54:41,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2024-12-06 03:54:44,563 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/data/b204770cf/739f1d78a5a6470891afb11ce32c4ee2/FLAGd78c1380f [2024-12-06 03:54:44,750 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:54:44,751 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2024-12-06 03:54:44,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/data/b204770cf/739f1d78a5a6470891afb11ce32c4ee2/FLAGd78c1380f [2024-12-06 03:54:44,769 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/data/b204770cf/739f1d78a5a6470891afb11ce32c4ee2 [2024-12-06 03:54:44,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:54:44,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:54:44,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:54:44,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:54:44,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:54:44,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:54:44" (1/1) ... [2024-12-06 03:54:44,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f9aea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:44, skipping insertion in model container [2024-12-06 03:54:44,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:54:44" (1/1) ... [2024-12-06 03:54:44,791 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:54:44,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:54:44,926 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:54:44,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:54:44,962 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:54:44,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:44 WrapperNode [2024-12-06 03:54:44,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:54:44,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:54:44,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:54:44,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:54:44,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:44" (1/1) ... [2024-12-06 03:54:44,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:44" (1/1) ... [2024-12-06 03:54:44,997 INFO L138 Inliner]: procedures = 18, calls = 83, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2024-12-06 03:54:44,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:54:44,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:54:44,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:54:44,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:54:45,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:44" (1/1) ... [2024-12-06 03:54:45,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:44" (1/1) ... [2024-12-06 03:54:45,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:44" (1/1) ... [2024-12-06 03:54:45,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:44" (1/1) ... [2024-12-06 03:54:45,018 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:44" (1/1) ... [2024-12-06 03:54:45,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:44" (1/1) ... [2024-12-06 03:54:45,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:44" (1/1) ... [2024-12-06 03:54:45,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:44" (1/1) ... [2024-12-06 03:54:45,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:44" (1/1) ... [2024-12-06 03:54:45,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:54:45,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:54:45,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:54:45,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:54:45,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:44" (1/1) ... [2024-12-06 03:54:45,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:54:45,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:54:45,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:54:45,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:54:45,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:54:45,089 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_36_0 [2024-12-06 03:54:45,089 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_36_0 [2024-12-06 03:54:45,089 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:54:45,089 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:54:45,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:54:45,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:54:45,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 03:54:45,089 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_43_0 [2024-12-06 03:54:45,089 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_43_0 [2024-12-06 03:54:45,089 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_46_to_51_0 [2024-12-06 03:54:45,090 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_46_to_51_0 [2024-12-06 03:54:45,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:54:45,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:54:45,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 03:54:45,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:54:45,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:54:45,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:54:45,170 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:54:45,172 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:54:45,657 INFO L? ?]: Removed 229 outVars from TransFormulas that were not future-live. [2024-12-06 03:54:45,657 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:54:45,697 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:54:45,697 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 03:54:45,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:54:45 BoogieIcfgContainer [2024-12-06 03:54:45,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:54:45,698 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:54:45,698 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:54:45,706 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:54:45,706 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:54:45" (1/1) ... [2024-12-06 03:54:45,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:54:45,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:54:45,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 224 states and 236 transitions. [2024-12-06 03:54:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 236 transitions. [2024-12-06 03:54:45,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 03:54:45,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:54:45,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:54:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:54:45,872 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:54:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:54:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:54:45,928 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:54:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:54:45,944 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:54:45,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:54:45 ImpRootNode [2024-12-06 03:54:45,966 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:54:45,967 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:54:45,967 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:54:45,967 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:54:45,968 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:54:45" (3/4) ... [2024-12-06 03:54:45,970 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:54:45,971 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:54:45,972 INFO L158 Benchmark]: Toolchain (without parser) took 1199.73ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 79.4MB in the end (delta: 13.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-12-06 03:54:45,972 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 71.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:54:45,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.58ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 80.3MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:54:45,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.57ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.9MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:54:45,974 INFO L158 Benchmark]: Boogie Preprocessor took 29.61ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:54:45,974 INFO L158 Benchmark]: RCFGBuilder took 668.92ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 41.1MB in the end (delta: 36.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 03:54:45,974 INFO L158 Benchmark]: CodeCheck took 268.01ms. Allocated memory is still 117.4MB. Free memory was 41.0MB in the beginning and 79.5MB in the end (delta: -38.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:54:45,975 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 79.4MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:54:45,977 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 6 procedures, 224 locations, 92 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 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: 126]: 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 124. Possible FailurePath: [L119] int A; [L120] int R; [L121] int u; [L122] int v; [L123] int r; [L124] A = __VERIFIER_nondet_double() [L125] R = __VERIFIER_nondet_double() [L126] R - 1 VAL [A={13227:0}, r={13228:0}, u={13226:0}, v={13225:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 71.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.58ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 80.3MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.57ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.9MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.61ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 668.92ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 41.1MB in the end (delta: 36.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 268.01ms. Allocated memory is still 117.4MB. Free memory was 41.0MB in the beginning and 79.5MB in the end (delta: -38.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 79.4MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:54:45,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/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_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/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_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/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_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/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 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:54:47,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:54:47,992 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 03:54:48,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:54:48,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:54:48,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:54:48,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:54:48,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:54:48,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:54:48,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:54:48,015 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:54:48,016 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:54:48,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:54:48,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:54:48,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:54:48,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:54:48,016 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:54:48,016 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:54:48,016 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:54:48,016 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:54:48,016 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:54:48,017 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:54:48,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:54:48,017 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:54:48,017 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:54:48,017 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:54:48,017 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:54:48,017 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:54:48,017 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:54:48,017 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:54:48,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:54:48,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:54:48,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:54:48,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:54:48,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:54:48,018 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:54:48,018 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:54:48,018 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:54:48,018 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_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/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 -> 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 [2024-12-06 03:54:48,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:54:48,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:54:48,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:54:48,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:54:48,258 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:54:48,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2024-12-06 03:54:50,940 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/data/0ef0452f2/23af1dc52f08431692a66cf8bbc860ba/FLAGb77742527 [2024-12-06 03:54:51,138 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:54:51,142 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2024-12-06 03:54:51,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/data/0ef0452f2/23af1dc52f08431692a66cf8bbc860ba/FLAGb77742527 [2024-12-06 03:54:51,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/data/0ef0452f2/23af1dc52f08431692a66cf8bbc860ba [2024-12-06 03:54:51,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:54:51,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:54:51,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:54:51,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:54:51,171 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:54:51,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:54:51" (1/1) ... [2024-12-06 03:54:51,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c3335a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:51, skipping insertion in model container [2024-12-06 03:54:51,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:54:51" (1/1) ... [2024-12-06 03:54:51,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:54:51,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:54:51,335 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:54:51,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:54:51,378 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:54:51,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:51 WrapperNode [2024-12-06 03:54:51,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:54:51,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:54:51,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:54:51,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:54:51,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:51" (1/1) ... [2024-12-06 03:54:51,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:51" (1/1) ... [2024-12-06 03:54:51,414 INFO L138 Inliner]: procedures = 21, calls = 83, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2024-12-06 03:54:51,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:54:51,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:54:51,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:54:51,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:54:51,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:51" (1/1) ... [2024-12-06 03:54:51,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:51" (1/1) ... [2024-12-06 03:54:51,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:51" (1/1) ... [2024-12-06 03:54:51,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:51" (1/1) ... [2024-12-06 03:54:51,437 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:51" (1/1) ... [2024-12-06 03:54:51,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:51" (1/1) ... [2024-12-06 03:54:51,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:51" (1/1) ... [2024-12-06 03:54:51,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:51" (1/1) ... [2024-12-06 03:54:51,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:51" (1/1) ... [2024-12-06 03:54:51,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:54:51,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:54:51,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:54:51,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:54:51,450 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:54:51" (1/1) ... [2024-12-06 03:54:51,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:54:51,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:54:51,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:54:51,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:54:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:54:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_36_0 [2024-12-06 03:54:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_36_0 [2024-12-06 03:54:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:54:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:54:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:54:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:54:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_43_0 [2024-12-06 03:54:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_43_0 [2024-12-06 03:54:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 03:54:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_46_to_51_0 [2024-12-06 03:54:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_46_to_51_0 [2024-12-06 03:54:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:54:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:54:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:54:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:54:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:54:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 03:54:51,579 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:54:51,581 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:54:59,267 INFO L? ?]: Removed 225 outVars from TransFormulas that were not future-live. [2024-12-06 03:54:59,267 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:54:59,307 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:54:59,308 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 03:54:59,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:54:59 BoogieIcfgContainer [2024-12-06 03:54:59,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:54:59,309 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:54:59,309 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:54:59,318 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:54:59,318 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:54:59" (1/1) ... [2024-12-06 03:54:59,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:54:59,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:54:59,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 224 states and 236 transitions. [2024-12-06 03:54:59,361 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 236 transitions. [2024-12-06 03:54:59,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 03:54:59,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:54:59,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:54:59,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:54:59,364 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:54:59,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4740e7d-1d7b-4aea-b0bf-5dce8905537a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:54:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:54:59,527 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:54:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat