./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/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_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/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_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/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_25ebfe5a-e91c-4c6d-971d-19e9608d799b/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 a4824519cd4f3e1d2fd45657c7eeb4872d493a5d83687e7b74f43cb5b7e407ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:36:36,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:36:36,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 05:36:36,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:36:36,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:36:36,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:36:36,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:36:36,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:36:36,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:36:36,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:36:36,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:36:36,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:36:36,946 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:36:36,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:36:36,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:36:36,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:36:36,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:36:36,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:36:36,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:36:36,946 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:36:36,946 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:36:36,946 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:36:36,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:36:36,947 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:36:36,947 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:36:36,947 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:36:36,947 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:36:36,947 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:36:36,947 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:36:36,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:36:36,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:36:36,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:36:36,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:36:36,947 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:36:36,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:36:36,948 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_25ebfe5a-e91c-4c6d-971d-19e9608d799b/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 -> a4824519cd4f3e1d2fd45657c7eeb4872d493a5d83687e7b74f43cb5b7e407ac [2024-12-06 05:36:37,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:36:37,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:36:37,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:36:37,190 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:36:37,190 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:36:37,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/fermat1.c [2024-12-06 05:36:39,795 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/data/9c1529449/09402fb1893340a2b071b0777af0eede/FLAG2ef5c90aa [2024-12-06 05:36:39,978 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:36:39,979 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/sv-benchmarks/c/nla-digbench/fermat1.c [2024-12-06 05:36:39,986 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/data/9c1529449/09402fb1893340a2b071b0777af0eede/FLAG2ef5c90aa [2024-12-06 05:36:40,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/data/9c1529449/09402fb1893340a2b071b0777af0eede [2024-12-06 05:36:40,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:36:40,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:36:40,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:36:40,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:36:40,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:36:40,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:36:40" (1/1) ... [2024-12-06 05:36:40,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509e0941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:40, skipping insertion in model container [2024-12-06 05:36:40,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:36:40" (1/1) ... [2024-12-06 05:36:40,396 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:36:40,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:36:40,540 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:36:40,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:36:40,574 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:36:40,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:40 WrapperNode [2024-12-06 05:36:40,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:36:40,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:36:40,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:36:40,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:36:40,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:40" (1/1) ... [2024-12-06 05:36:40,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:40" (1/1) ... [2024-12-06 05:36:40,608 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 148 [2024-12-06 05:36:40,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:36:40,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:36:40,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:36:40,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:36:40,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:40" (1/1) ... [2024-12-06 05:36:40,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:40" (1/1) ... [2024-12-06 05:36:40,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:40" (1/1) ... [2024-12-06 05:36:40,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:40" (1/1) ... [2024-12-06 05:36:40,621 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:40" (1/1) ... [2024-12-06 05:36:40,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:40" (1/1) ... [2024-12-06 05:36:40,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:40" (1/1) ... [2024-12-06 05:36:40,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:40" (1/1) ... [2024-12-06 05:36:40,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:40" (1/1) ... [2024-12-06 05:36:40,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:36:40,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:36:40,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:36:40,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:36:40,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:40" (1/1) ... [2024-12-06 05:36:40,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:36:40,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:36:40,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:36:40,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:36:40,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:36:40,678 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:36:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:36:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:36:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:36:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:36:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:36:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:36:40,723 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:36:40,725 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:36:41,158 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-12-06 05:36:41,158 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:36:41,192 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:36:41,193 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-06 05:36:41,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:36:41 BoogieIcfgContainer [2024-12-06 05:36:41,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:36:41,194 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:36:41,194 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:36:41,201 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:36:41,201 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:36:41" (1/1) ... [2024-12-06 05:36:41,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:36:41,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:36:41,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 200 states and 209 transitions. [2024-12-06 05:36:41,251 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 209 transitions. [2024-12-06 05:36:41,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 05:36:41,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:36:41,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:36:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:36:41,306 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:36:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:36:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:36:41,334 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:36:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:36:41,344 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:36:41,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:36:41 ImpRootNode [2024-12-06 05:36:41,357 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:36:41,357 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:36:41,357 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:36:41,358 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:36:41,359 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:36:41" (3/4) ... [2024-12-06 05:36:41,361 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:36:41,362 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:36:41,363 INFO L158 Benchmark]: Toolchain (without parser) took 987.61ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 63.7MB in the end (delta: 53.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 05:36:41,363 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:36:41,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.65ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 105.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:36:41,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.24ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 103.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:36:41,365 INFO L158 Benchmark]: Boogie Preprocessor took 19.71ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 102.7MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:36:41,365 INFO L158 Benchmark]: RCFGBuilder took 563.55ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 74.1MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:36:41,366 INFO L158 Benchmark]: CodeCheck took 163.18ms. Allocated memory is still 142.6MB. Free memory was 73.9MB in the beginning and 63.9MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:36:41,366 INFO L158 Benchmark]: Witness Printer took 4.74ms. Allocated memory is still 142.6MB. Free memory was 63.9MB in the beginning and 63.7MB in the end (delta: 188.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:36:41,368 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 200 locations, 92 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, 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: 24]: 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 22. Possible FailurePath: [L20] int A, R; [L21] int u, v, r; [L22] A = __VERIFIER_nondet_double() [L23] R = __VERIFIER_nondet_double() [L24] R - 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.65ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 105.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.24ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 103.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.71ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 102.7MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 563.55ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 74.1MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 163.18ms. Allocated memory is still 142.6MB. Free memory was 73.9MB in the beginning and 63.9MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.74ms. Allocated memory is still 142.6MB. Free memory was 63.9MB in the beginning and 63.7MB in the end (delta: 188.4kB). 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 05:36:41,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/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_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/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_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/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_25ebfe5a-e91c-4c6d-971d-19e9608d799b/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 a4824519cd4f3e1d2fd45657c7eeb4872d493a5d83687e7b74f43cb5b7e407ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:36:43,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:36:43,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 05:36:43,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:36:43,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:36:43,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:36:43,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:36:43,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:36:43,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:36:43,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:36:43,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:36:43,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:36:43,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:36:43,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:36:43,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:36:43,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:36:43,438 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:36:43,438 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:36:43,438 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:36:43,438 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:36:43,438 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:36:43,438 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:36:43,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:36:43,438 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:36:43,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:36:43,439 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:36:43,439 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:36:43,439 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:36:43,439 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:36:43,439 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:36:43,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:36:43,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:36:43,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:36:43,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:36:43,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:36:43,440 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:36:43,440 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:36:43,440 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:36:43,440 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_25ebfe5a-e91c-4c6d-971d-19e9608d799b/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 -> a4824519cd4f3e1d2fd45657c7eeb4872d493a5d83687e7b74f43cb5b7e407ac [2024-12-06 05:36:43,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:36:43,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:36:43,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:36:43,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:36:43,688 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:36:43,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/fermat1.c [2024-12-06 05:36:46,389 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/data/7ca857c3b/ca1561b13a814ccc82ed90cb2be41e2e/FLAG1b7b30f25 [2024-12-06 05:36:46,559 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:36:46,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/sv-benchmarks/c/nla-digbench/fermat1.c [2024-12-06 05:36:46,565 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/data/7ca857c3b/ca1561b13a814ccc82ed90cb2be41e2e/FLAG1b7b30f25 [2024-12-06 05:36:46,577 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/data/7ca857c3b/ca1561b13a814ccc82ed90cb2be41e2e [2024-12-06 05:36:46,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:36:46,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:36:46,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:36:46,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:36:46,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:36:46,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:36:46" (1/1) ... [2024-12-06 05:36:46,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e7cd2cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:46, skipping insertion in model container [2024-12-06 05:36:46,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:36:46" (1/1) ... [2024-12-06 05:36:46,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:36:46,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:36:46,754 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:36:46,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:36:46,787 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:36:46,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:46 WrapperNode [2024-12-06 05:36:46,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:36:46,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:36:46,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:36:46,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:36:46,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:46" (1/1) ... [2024-12-06 05:36:46,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:46" (1/1) ... [2024-12-06 05:36:46,825 INFO L138 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 149 [2024-12-06 05:36:46,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:36:46,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:36:46,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:36:46,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:36:46,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:46" (1/1) ... [2024-12-06 05:36:46,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:46" (1/1) ... [2024-12-06 05:36:46,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:46" (1/1) ... [2024-12-06 05:36:46,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:46" (1/1) ... [2024-12-06 05:36:46,847 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:46" (1/1) ... [2024-12-06 05:36:46,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:46" (1/1) ... [2024-12-06 05:36:46,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:46" (1/1) ... [2024-12-06 05:36:46,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:46" (1/1) ... [2024-12-06 05:36:46,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:46" (1/1) ... [2024-12-06 05:36:46,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:36:46,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:36:46,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:36:46,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:36:46,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:46" (1/1) ... [2024-12-06 05:36:46,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:36:46,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:36:46,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:36:46,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:36:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:36:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:36:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:36:46,912 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:36:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:36:46,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:36:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:36:46,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:36:46,960 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:36:46,962 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:37:10,979 INFO L? ?]: Removed 135 outVars from TransFormulas that were not future-live. [2024-12-06 05:37:10,979 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:37:11,013 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:37:11,014 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-06 05:37:11,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:37:11 BoogieIcfgContainer [2024-12-06 05:37:11,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:37:11,015 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:37:11,015 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:37:11,024 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:37:11,024 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:37:11" (1/1) ... [2024-12-06 05:37:11,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:37:11,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:37:11,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 200 states and 209 transitions. [2024-12-06 05:37:11,071 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 209 transitions. [2024-12-06 05:37:11,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 05:37:11,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:37:11,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:37:11,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:37:11,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:37:11,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ebfe5a-e91c-4c6d-971d-19e9608d799b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:37:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:37:11,184 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:37:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat