./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_1_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/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_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_1_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 17445458ba8d623c3c0fdc1c0c03b23eaf5b75fd03e8e26d6837d08cfa4b709a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:30:58,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:30:58,257 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:30:58,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:30:58,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:30:58,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:30:58,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:30:58,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:30:58,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:30:58,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:30:58,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:30:58,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:30:58,311 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:30:58,312 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:30:58,312 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:30:58,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:30:58,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:30:58,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:30:58,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:30:58,315 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:30:58,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:30:58,319 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:30:58,319 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:30:58,321 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:30:58,321 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:30:58,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:30:58,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:58,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:30:58,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:30:58,324 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:30:58,325 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:30:58,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:30:58,326 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:30:58,326 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_dca1a942-5b00-4c15-b7b2-1086cbac9c08/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17445458ba8d623c3c0fdc1c0c03b23eaf5b75fd03e8e26d6837d08cfa4b709a [2023-11-19 03:30:58,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:30:58,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:30:58,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:30:58,667 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:30:58,667 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:30:58,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/gcd_3+newton_1_3.i [2023-11-19 03:31:01,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:31:02,022 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:31:02,023 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i [2023-11-19 03:31:02,031 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/data/bba8a4e9c/b6121d7e739f46d1b97503ced078aecc/FLAG2371c4c58 [2023-11-19 03:31:02,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/data/bba8a4e9c/b6121d7e739f46d1b97503ced078aecc [2023-11-19 03:31:02,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:31:02,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:31:02,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:02,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:31:02,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:31:02,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4140f19d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02, skipping insertion in model container [2023-11-19 03:31:02,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,083 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:31:02,322 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i[1226,1239] [2023-11-19 03:31:02,359 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i[2820,2833] [2023-11-19 03:31:02,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:02,377 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:31:02,388 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i[1226,1239] [2023-11-19 03:31:02,398 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i[2820,2833] [2023-11-19 03:31:02,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:02,415 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:31:02,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02 WrapperNode [2023-11-19 03:31:02,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:02,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:02,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:31:02,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:31:02,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,456 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 89 [2023-11-19 03:31:02,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:02,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:31:02,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:31:02,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:31:02,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:31:02,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:31:02,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:31:02,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:31:02,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:31:02,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:31:02,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:31:02,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:31:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:31:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:31:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:31:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:31:02,631 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:31:02,634 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:31:02,808 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:31:02,898 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:31:02,898 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:31:02,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:02 BoogieIcfgContainer [2023-11-19 03:31:02,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:31:02,904 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:31:02,904 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:31:02,915 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:31:02,915 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:31:02,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-19 03:31:02,977 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-19 03:31:02,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:31:02,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:02,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:31:03,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:31:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:31:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:31:03,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:31:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:31:03,201 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:31:03,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:31:03 ImpRootNode [2023-11-19 03:31:03,231 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:31:03,232 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:31:03,232 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:31:03,232 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:31:03,232 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:02" (3/4) ... [2023-11-19 03:31:03,235 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:31:03,236 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:31:03,237 INFO L158 Benchmark]: Toolchain (without parser) took 1187.90ms. Allocated memory is still 161.5MB. Free memory was 123.6MB in the beginning and 94.7MB in the end (delta: 29.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2023-11-19 03:31:03,237 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:31:03,238 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.13ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 126.5MB in the end (delta: -3.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:31:03,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.54ms. Allocated memory is still 161.5MB. Free memory was 126.5MB in the beginning and 124.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:31:03,243 INFO L158 Benchmark]: Boogie Preprocessor took 26.63ms. Allocated memory is still 161.5MB. Free memory was 124.9MB in the beginning and 123.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:31:03,244 INFO L158 Benchmark]: RCFGBuilder took 418.87ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 107.3MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:31:03,245 INFO L158 Benchmark]: CodeCheck took 327.22ms. Allocated memory is still 161.5MB. Free memory was 107.3MB in the beginning and 95.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:31:03,246 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 161.5MB. Free memory was 95.1MB in the beginning and 94.7MB in the end (delta: 418.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:31:03,254 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 1 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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: 102]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 80. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -0.6f && IN < 0.6f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -0.6f && IN < 0.6f) [L93] CALL, EXPR f(IN) [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L93] RET, EXPR f(IN) [L93] CALL, EXPR fp(IN) [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L93] RET, EXPR fp(IN) [L93] float x = IN - f(IN)/fp(IN); [L101] COND TRUE !(x < 0.1) [L102] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.13ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 126.5MB in the end (delta: -3.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.54ms. Allocated memory is still 161.5MB. Free memory was 126.5MB in the beginning and 124.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.63ms. Allocated memory is still 161.5MB. Free memory was 124.9MB in the beginning and 123.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 418.87ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 107.3MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 327.22ms. Allocated memory is still 161.5MB. Free memory was 107.3MB in the beginning and 95.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 161.5MB. Free memory was 95.1MB in the beginning and 94.7MB in the end (delta: 418.0kB). 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 03:31:03,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/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_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/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_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_1_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 17445458ba8d623c3c0fdc1c0c03b23eaf5b75fd03e8e26d6837d08cfa4b709a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:31:05,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:31:05,944 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:31:05,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:31:05,978 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:31:05,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:31:05,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:31:05,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:31:05,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:31:05,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:31:05,982 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:31:05,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:31:05,983 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:31:05,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:31:05,984 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:31:05,984 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:31:05,985 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:31:05,985 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:31:05,986 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:31:05,986 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:31:05,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:31:05,987 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:31:05,988 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:31:05,988 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:31:05,988 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:31:05,989 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:31:05,989 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:31:05,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:31:05,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:31:05,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:31:05,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:31:05,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:31:05,992 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:31:05,992 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:31:05,992 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:31:05,993 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:31:05,993 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:31:05,993 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_dca1a942-5b00-4c15-b7b2-1086cbac9c08/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17445458ba8d623c3c0fdc1c0c03b23eaf5b75fd03e8e26d6837d08cfa4b709a [2023-11-19 03:31:06,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:31:06,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:31:06,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:31:06,377 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:31:06,378 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:31:06,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/gcd_3+newton_1_3.i [2023-11-19 03:31:09,499 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:31:09,786 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:31:09,786 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i [2023-11-19 03:31:09,797 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/data/415a2da57/344358c302c24719adfff84e1c101a13/FLAG79a832049 [2023-11-19 03:31:09,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/data/415a2da57/344358c302c24719adfff84e1c101a13 [2023-11-19 03:31:09,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:31:09,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:31:09,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:09,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:31:09,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:31:09,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:09" (1/1) ... [2023-11-19 03:31:09,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c0d6bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:09, skipping insertion in model container [2023-11-19 03:31:09,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:09" (1/1) ... [2023-11-19 03:31:09,869 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:31:10,076 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i[1226,1239] [2023-11-19 03:31:10,127 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i[2820,2833] [2023-11-19 03:31:10,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:10,149 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:31:10,169 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i[1226,1239] [2023-11-19 03:31:10,201 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/sv-benchmarks/c/combinations/gcd_3+newton_1_3.i[2820,2833] [2023-11-19 03:31:10,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:10,220 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:31:10,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:10 WrapperNode [2023-11-19 03:31:10,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:10,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:10,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:31:10,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:31:10,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:10" (1/1) ... [2023-11-19 03:31:10,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:10" (1/1) ... [2023-11-19 03:31:10,295 INFO L138 Inliner]: procedures = 28, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 84 [2023-11-19 03:31:10,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:10,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:31:10,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:31:10,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:31:10,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:10" (1/1) ... [2023-11-19 03:31:10,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:10" (1/1) ... [2023-11-19 03:31:10,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:10" (1/1) ... [2023-11-19 03:31:10,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:10" (1/1) ... [2023-11-19 03:31:10,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:10" (1/1) ... [2023-11-19 03:31:10,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:10" (1/1) ... [2023-11-19 03:31:10,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:10" (1/1) ... [2023-11-19 03:31:10,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:10" (1/1) ... [2023-11-19 03:31:10,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:31:10,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:31:10,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:31:10,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:31:10,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:10" (1/1) ... [2023-11-19 03:31:10,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:31:10,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:31:10,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:31:10,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:31:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:31:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:31:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:31:10,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:31:10,535 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:31:10,537 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:31:31,635 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:31:31,696 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:31:31,696 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:31:31,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:31 BoogieIcfgContainer [2023-11-19 03:31:31,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:31:31,702 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:31:31,702 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:31:31,712 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:31:31,712 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:31" (1/1) ... [2023-11-19 03:31:31,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:31:31,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:31,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-19 03:31:31,778 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-19 03:31:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:31:31,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:31,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:31:31,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:31:31,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:31:31,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca1a942-5b00-4c15-b7b2-1086cbac9c08/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process