./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 03:26:09,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:26:09,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:26:09,196 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:26:09,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:26:09,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:26:09,251 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:26:09,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:26:09,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:26:09,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:26:09,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:26:09,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:26:09,263 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:26:09,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:26:09,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:26:09,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:26:09,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:26:09,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:26:09,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:26:09,269 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:26:09,270 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:26:09,271 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:26:09,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:26:09,272 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:26:09,272 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:26:09,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:26:09,274 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:26:09,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:26:09,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:09,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:26:09,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:26:09,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:26:09,279 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:26:09,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:26:09,279 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:26:09,280 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4824519cd4f3e1d2fd45657c7eeb4872d493a5d83687e7b74f43cb5b7e407ac [2023-11-19 03:26:09,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:26:09,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:26:09,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:26:09,713 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:26:09,713 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:26:09,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/fermat1.c [2023-11-19 03:26:12,843 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:26:13,104 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:26:13,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/sv-benchmarks/c/nla-digbench/fermat1.c [2023-11-19 03:26:13,114 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/data/fd198e4b1/c8b72d1a4d544d9ab39ecf9bb9c818be/FLAGe0e4c3af3 [2023-11-19 03:26:13,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/data/fd198e4b1/c8b72d1a4d544d9ab39ecf9bb9c818be [2023-11-19 03:26:13,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:26:13,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:26:13,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:13,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:26:13,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:26:13,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:13" (1/1) ... [2023-11-19 03:26:13,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c877ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:13, skipping insertion in model container [2023-11-19 03:26:13,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:13" (1/1) ... [2023-11-19 03:26:13,179 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:26:13,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:13,424 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:26:13,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:13,461 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:26:13,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:13 WrapperNode [2023-11-19 03:26:13,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:13,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:13,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:26:13,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:26:13,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:13" (1/1) ... [2023-11-19 03:26:13,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:13" (1/1) ... [2023-11-19 03:26:13,508 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 151 [2023-11-19 03:26:13,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:13,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:26:13,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:26:13,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:26:13,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:13" (1/1) ... [2023-11-19 03:26:13,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:13" (1/1) ... [2023-11-19 03:26:13,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:13" (1/1) ... [2023-11-19 03:26:13,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:13" (1/1) ... [2023-11-19 03:26:13,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:13" (1/1) ... [2023-11-19 03:26:13,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:13" (1/1) ... [2023-11-19 03:26:13,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:13" (1/1) ... [2023-11-19 03:26:13,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:13" (1/1) ... [2023-11-19 03:26:13,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:26:13,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:26:13,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:26:13,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:26:13,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:13" (1/1) ... [2023-11-19 03:26:13,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:13,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:26:13,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:26:13,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:26:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:26:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:26:13,650 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:26:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:26:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:26:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:26:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:26:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:26:13,744 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:26:13,749 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:26:14,424 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:26:14,457 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:26:14,457 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:26:14,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:14 BoogieIcfgContainer [2023-11-19 03:26:14,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:26:14,465 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:26:14,465 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:26:14,476 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:26:14,477 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:14" (1/1) ... [2023-11-19 03:26:14,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:26:14,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:14,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 203 states and 212 transitions. [2023-11-19 03:26:14,550 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 212 transitions. [2023-11-19 03:26:14,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:26:14,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:14,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:26:14,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:26:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:26:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:26:14,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:26:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:26:14,686 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:26:14,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:26:14 ImpRootNode [2023-11-19 03:26:14,706 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:26:14,707 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:26:14,707 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:26:14,707 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:26:14,708 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:14" (3/4) ... [2023-11-19 03:26:14,710 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:26:14,711 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:26:14,716 INFO L158 Benchmark]: Toolchain (without parser) took 1577.55ms. Allocated memory is still 153.1MB. Free memory was 86.8MB in the beginning and 93.9MB in the end (delta: -7.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:26:14,718 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 153.1MB. Free memory was 127.4MB in the beginning and 127.4MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:26:14,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.88ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 120.2MB in the end (delta: -33.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-19 03:26:14,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.61ms. Allocated memory is still 153.1MB. Free memory was 120.2MB in the beginning and 118.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:26:14,721 INFO L158 Benchmark]: Boogie Preprocessor took 28.29ms. Allocated memory is still 153.1MB. Free memory was 118.1MB in the beginning and 117.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:26:14,722 INFO L158 Benchmark]: RCFGBuilder took 925.72ms. Allocated memory is still 153.1MB. Free memory was 117.0MB in the beginning and 105.3MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:26:14,723 INFO L158 Benchmark]: CodeCheck took 241.10ms. Allocated memory is still 153.1MB. Free memory was 105.3MB in the beginning and 94.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:26:14,724 INFO L158 Benchmark]: Witness Printer took 8.14ms. Allocated memory is still 153.1MB. Free memory was 94.4MB in the beginning and 93.9MB in the end (delta: 440.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:26:14,734 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, 203 locations, 92 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 VAL [R=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 153.1MB. Free memory was 127.4MB in the beginning and 127.4MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.88ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 120.2MB in the end (delta: -33.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.61ms. Allocated memory is still 153.1MB. Free memory was 120.2MB in the beginning and 118.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.29ms. Allocated memory is still 153.1MB. Free memory was 118.1MB in the beginning and 117.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 925.72ms. Allocated memory is still 153.1MB. Free memory was 117.0MB in the beginning and 105.3MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 241.10ms. Allocated memory is still 153.1MB. Free memory was 105.3MB in the beginning and 94.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 8.14ms. Allocated memory is still 153.1MB. Free memory was 94.4MB in the beginning and 93.9MB in the end (delta: 440.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:26:14,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 03:26:17,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:26:17,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:26:17,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:26:17,786 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:26:17,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:26:17,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:26:17,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:26:17,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:26:17,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:26:17,796 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:26:17,797 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:26:17,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:26:17,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:26:17,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:26:17,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:26:17,800 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:26:17,801 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:26:17,801 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:26:17,802 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:26:17,803 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:26:17,803 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:26:17,804 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:26:17,804 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:26:17,804 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:26:17,805 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:26:17,805 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:26:17,806 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:17,806 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:26:17,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:26:17,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:17,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:26:17,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:26:17,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:26:17,809 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:26:17,809 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:17,809 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:26:17,810 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:26:17,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:26:17,811 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4824519cd4f3e1d2fd45657c7eeb4872d493a5d83687e7b74f43cb5b7e407ac [2023-11-19 03:26:18,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:26:18,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:26:18,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:26:18,318 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:26:18,319 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:26:18,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/fermat1.c [2023-11-19 03:26:21,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:26:22,205 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:26:22,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/sv-benchmarks/c/nla-digbench/fermat1.c [2023-11-19 03:26:22,213 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/data/9e69625fd/d04845e307674ec284936c76981088c6/FLAG87b0227bf [2023-11-19 03:26:22,234 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/data/9e69625fd/d04845e307674ec284936c76981088c6 [2023-11-19 03:26:22,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:26:22,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:26:22,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:22,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:26:22,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:26:22,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:22" (1/1) ... [2023-11-19 03:26:22,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@531ace40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:22, skipping insertion in model container [2023-11-19 03:26:22,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:22" (1/1) ... [2023-11-19 03:26:22,269 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:26:22,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:22,484 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:26:22,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:22,574 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:26:22,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:22 WrapperNode [2023-11-19 03:26:22,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:22,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:22,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:26:22,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:26:22,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:22" (1/1) ... [2023-11-19 03:26:22,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:22" (1/1) ... [2023-11-19 03:26:22,651 INFO L138 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 152 [2023-11-19 03:26:22,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:22,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:26:22,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:26:22,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:26:22,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:22" (1/1) ... [2023-11-19 03:26:22,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:22" (1/1) ... [2023-11-19 03:26:22,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:22" (1/1) ... [2023-11-19 03:26:22,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:22" (1/1) ... [2023-11-19 03:26:22,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:22" (1/1) ... [2023-11-19 03:26:22,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:22" (1/1) ... [2023-11-19 03:26:22,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:22" (1/1) ... [2023-11-19 03:26:22,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:22" (1/1) ... [2023-11-19 03:26:22,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:26:22,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:26:22,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:26:22,727 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:26:22,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:22" (1/1) ... [2023-11-19 03:26:22,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:22,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:26:22,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:26:22,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:26:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:26:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:26:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:26:22,899 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:26:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:26:22,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:26:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:26:22,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:26:22,991 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:26:22,993 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:26:49,689 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:26:49,761 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:26:49,768 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:26:49,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:49 BoogieIcfgContainer [2023-11-19 03:26:49,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:26:49,777 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:26:49,777 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:26:49,814 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:26:49,815 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:49" (1/1) ... [2023-11-19 03:26:49,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:26:49,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:49,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 203 states and 212 transitions. [2023-11-19 03:26:49,913 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 212 transitions. [2023-11-19 03:26:49,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:26:49,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:49,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:49,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:26:49,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:26:49,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff17a03d-73c1-4e01-9fe7-5cb6da16fe83/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:26:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:26:50,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:26:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat