./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.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_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/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_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/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_a388c8d2-0641-4c6c-9b55-8a608297c8c7/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 c6bb229683b6e478f26f29012535cd87eb287b5d79b78ad3ed39bceef2aa5826 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:37:35,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:37:35,544 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 01:37:35,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:37:35,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:37:35,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:37:35,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:37:35,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:37:35,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:37:35,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:37:35,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:37:35,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:37:35,571 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:37:35,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:37:35,571 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:37:35,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:37:35,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:37:35,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:37:35,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:37:35,572 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:37:35,572 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:37:35,572 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:37:35,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:37:35,572 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:37:35,572 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:37:35,572 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:37:35,572 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:37:35,572 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:37:35,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:37:35,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:37:35,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:37:35,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:37:35,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:37:35,573 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:37:35,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:37:35,573 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_a388c8d2-0641-4c6c-9b55-8a608297c8c7/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 -> c6bb229683b6e478f26f29012535cd87eb287b5d79b78ad3ed39bceef2aa5826 [2024-12-06 01:37:35,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:37:35,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:37:35,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:37:35,820 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:37:35,820 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:37:35,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c [2024-12-06 01:37:38,430 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/data/3f5e25c9c/053c67d4e9ba494a9bff4383a947c1d0/FLAG3f991c2cd [2024-12-06 01:37:38,630 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:37:38,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c [2024-12-06 01:37:38,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/data/3f5e25c9c/053c67d4e9ba494a9bff4383a947c1d0/FLAG3f991c2cd [2024-12-06 01:37:39,020 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/data/3f5e25c9c/053c67d4e9ba494a9bff4383a947c1d0 [2024-12-06 01:37:39,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:37:39,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:37:39,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:37:39,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:37:39,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:37:39,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:37:39" (1/1) ... [2024-12-06 01:37:39,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b08f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:39, skipping insertion in model container [2024-12-06 01:37:39,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:37:39" (1/1) ... [2024-12-06 01:37:39,042 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:37:39,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:37:39,191 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:37:39,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:37:39,226 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:37:39,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:39 WrapperNode [2024-12-06 01:37:39,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:37:39,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:37:39,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:37:39,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:37:39,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:39" (1/1) ... [2024-12-06 01:37:39,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:39" (1/1) ... [2024-12-06 01:37:39,258 INFO L138 Inliner]: procedures = 16, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2024-12-06 01:37:39,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:37:39,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:37:39,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:37:39,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:37:39,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:39" (1/1) ... [2024-12-06 01:37:39,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:39" (1/1) ... [2024-12-06 01:37:39,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:39" (1/1) ... [2024-12-06 01:37:39,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:39" (1/1) ... [2024-12-06 01:37:39,274 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:39" (1/1) ... [2024-12-06 01:37:39,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:39" (1/1) ... [2024-12-06 01:37:39,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:39" (1/1) ... [2024-12-06 01:37:39,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:39" (1/1) ... [2024-12-06 01:37:39,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:39" (1/1) ... [2024-12-06 01:37:39,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:37:39,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:37:39,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:37:39,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:37:39,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:39" (1/1) ... [2024-12-06 01:37:39,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:37:39,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:37:39,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:37:39,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:37:39,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:37:39,343 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:37:39,343 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:37:39,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:37:39,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:37:39,343 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_42_0 [2024-12-06 01:37:39,343 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_42_0 [2024-12-06 01:37:39,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:37:39,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:37:39,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:37:39,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:37:39,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:37:39,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:37:39,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:37:39,410 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:37:39,412 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:37:39,768 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-12-06 01:37:39,768 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:37:39,803 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:37:39,803 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:37:39,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:37:39 BoogieIcfgContainer [2024-12-06 01:37:39,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:37:39,804 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:37:39,805 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:37:39,815 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:37:39,815 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:37:39" (1/1) ... [2024-12-06 01:37:39,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:37:39,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:37:39,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 135 states and 140 transitions. [2024-12-06 01:37:39,876 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 140 transitions. [2024-12-06 01:37:39,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 01:37:39,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:37:39,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:37:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:37:39,962 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:37:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:37:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:37:40,021 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:37:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:37:40,040 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:37:40,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:37:40 ImpRootNode [2024-12-06 01:37:40,062 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:37:40,063 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:37:40,063 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:37:40,063 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:37:40,064 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:37:39" (3/4) ... [2024-12-06 01:37:40,066 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:37:40,067 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:37:40,068 INFO L158 Benchmark]: Toolchain (without parser) took 1044.51ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 38.6MB in the end (delta: 54.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 01:37:40,068 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 72.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:37:40,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.97ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:37:40,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.95ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.5MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:37:40,069 INFO L158 Benchmark]: Boogie Preprocessor took 23.48ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.5MB in the end (delta: 994.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:37:40,070 INFO L158 Benchmark]: RCFGBuilder took 521.16ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 52.8MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:37:40,070 INFO L158 Benchmark]: CodeCheck took 257.87ms. Allocated memory is still 117.4MB. Free memory was 52.6MB in the beginning and 38.8MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:37:40,070 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 117.4MB. Free memory was 38.8MB in the beginning and 38.6MB in the end (delta: 195.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:37:40,072 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 4 procedures, 135 locations, 56 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: 88]: 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 86. Possible FailurePath: [L81] int A; [L82] int R; [L83] int u; [L84] int v; [L85] int r; [L86] A = __VERIFIER_nondet_double() [L87] R = __VERIFIER_nondet_double() [L88] R - 1 VAL [A={6266:0}, r={6264:0}, u={6267:0}, v={6265:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 72.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.97ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.95ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.5MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.48ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.5MB in the end (delta: 994.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 521.16ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 52.8MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 257.87ms. Allocated memory is still 117.4MB. Free memory was 52.6MB in the beginning and 38.8MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 117.4MB. Free memory was 38.8MB in the beginning and 38.6MB in the end (delta: 195.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:37:40,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/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_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/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_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/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_a388c8d2-0641-4c6c-9b55-8a608297c8c7/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 c6bb229683b6e478f26f29012535cd87eb287b5d79b78ad3ed39bceef2aa5826 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:37:41,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:37:42,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 01:37:42,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:37:42,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:37:42,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:37:42,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:37:42,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:37:42,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:37:42,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:37:42,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:37:42,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:37:42,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:37:42,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:37:42,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:37:42,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:37:42,086 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:37:42,086 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:37:42,086 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:37:42,086 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:37:42,086 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:37:42,086 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:37:42,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:37:42,086 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:37:42,086 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:37:42,087 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:37:42,087 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:37:42,087 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:37:42,087 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:37:42,087 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:37:42,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:37:42,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:37:42,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:37:42,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:37:42,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:37:42,088 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:37:42,088 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:37:42,088 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:37:42,088 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_a388c8d2-0641-4c6c-9b55-8a608297c8c7/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 -> c6bb229683b6e478f26f29012535cd87eb287b5d79b78ad3ed39bceef2aa5826 [2024-12-06 01:37:42,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:37:42,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:37:42,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:37:42,352 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:37:42,353 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:37:42,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c [2024-12-06 01:37:44,992 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/data/ef2d47fd1/c2b16a37dfe54fa6b78c3b4f9d19a459/FLAG30908eeeb [2024-12-06 01:37:45,163 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:37:45,164 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c [2024-12-06 01:37:45,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/data/ef2d47fd1/c2b16a37dfe54fa6b78c3b4f9d19a459/FLAG30908eeeb [2024-12-06 01:37:45,194 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/data/ef2d47fd1/c2b16a37dfe54fa6b78c3b4f9d19a459 [2024-12-06 01:37:45,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:37:45,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:37:45,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:37:45,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:37:45,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:37:45,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:37:45" (1/1) ... [2024-12-06 01:37:45,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6371b902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:45, skipping insertion in model container [2024-12-06 01:37:45,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:37:45" (1/1) ... [2024-12-06 01:37:45,222 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:37:45,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:37:45,414 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:37:45,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:37:45,457 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:37:45,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:45 WrapperNode [2024-12-06 01:37:45,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:37:45,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:37:45,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:37:45,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:37:45,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:45" (1/1) ... [2024-12-06 01:37:45,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:45" (1/1) ... [2024-12-06 01:37:45,502 INFO L138 Inliner]: procedures = 19, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2024-12-06 01:37:45,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:37:45,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:37:45,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:37:45,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:37:45,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:45" (1/1) ... [2024-12-06 01:37:45,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:45" (1/1) ... [2024-12-06 01:37:45,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:45" (1/1) ... [2024-12-06 01:37:45,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:45" (1/1) ... [2024-12-06 01:37:45,526 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:45" (1/1) ... [2024-12-06 01:37:45,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:45" (1/1) ... [2024-12-06 01:37:45,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:45" (1/1) ... [2024-12-06 01:37:45,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:45" (1/1) ... [2024-12-06 01:37:45,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:45" (1/1) ... [2024-12-06 01:37:45,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:37:45,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:37:45,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:37:45,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:37:45,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:37:45" (1/1) ... [2024-12-06 01:37:45,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:37:45,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:37:45,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:37:45,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:37:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:37:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:37:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:37:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:37:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:37:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_42_0 [2024-12-06 01:37:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_42_0 [2024-12-06 01:37:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 01:37:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:37:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:37:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:37:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:37:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:37:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 01:37:45,682 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:37:45,684 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:37:53,168 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-12-06 01:37:53,168 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:37:53,208 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:37:53,209 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:37:53,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:37:53 BoogieIcfgContainer [2024-12-06 01:37:53,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:37:53,210 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:37:53,210 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:37:53,221 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:37:53,221 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:37:53" (1/1) ... [2024-12-06 01:37:53,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:37:53,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:37:53,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 135 states and 140 transitions. [2024-12-06 01:37:53,275 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 140 transitions. [2024-12-06 01:37:53,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 01:37:53,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:37:53,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:37:53,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:37:53,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:37:53,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a388c8d2-0641-4c6c-9b55-8a608297c8c7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:37:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:37:53,441 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:37:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat