./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_2+newton_1_8.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_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/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_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_1_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/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_42e96822-0f2c-4dcb-a083-5459be4d0bf3/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 f15ee43151b815daf0172d1dd7cbf85838195f09623b71f36e6eaf1920c66307 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:14,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:14,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:53:14,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:53:14,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:53:14,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:14,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:14,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:14,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:14,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:14,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:14,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:14,837 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:14,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:53:14,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:14,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:14,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:14,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:14,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:14,841 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:14,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:14,842 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:14,843 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:14,843 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:14,844 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:14,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:14,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:14,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:14,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:14,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:14,848 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:53:14,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:53:14,849 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:14,849 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_42e96822-0f2c-4dcb-a083-5459be4d0bf3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f15ee43151b815daf0172d1dd7cbf85838195f09623b71f36e6eaf1920c66307 [2023-11-19 02:53:15,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:15,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:15,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:15,253 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:15,253 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:15,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/gcd_2+newton_1_8.i [2023-11-19 02:53:18,401 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:18,612 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:18,613 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/sv-benchmarks/c/combinations/gcd_2+newton_1_8.i [2023-11-19 02:53:18,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/data/495b25778/ce60e184f2e0456ebece416fad976f96/FLAGaa131a776 [2023-11-19 02:53:18,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/data/495b25778/ce60e184f2e0456ebece416fad976f96 [2023-11-19 02:53:18,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:18,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:18,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:18,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:18,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:18,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:18" (1/1) ... [2023-11-19 02:53:18,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77fb3440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:18, skipping insertion in model container [2023-11-19 02:53:18,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:18" (1/1) ... [2023-11-19 02:53:18,699 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:18,913 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_42e96822-0f2c-4dcb-a083-5459be4d0bf3/sv-benchmarks/c/combinations/gcd_2+newton_1_8.i[1226,1239] [2023-11-19 02:53:18,964 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_42e96822-0f2c-4dcb-a083-5459be4d0bf3/sv-benchmarks/c/combinations/gcd_2+newton_1_8.i[2820,2833] [2023-11-19 02:53:18,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:18,978 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:19,002 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_42e96822-0f2c-4dcb-a083-5459be4d0bf3/sv-benchmarks/c/combinations/gcd_2+newton_1_8.i[1226,1239] [2023-11-19 02:53:19,019 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_42e96822-0f2c-4dcb-a083-5459be4d0bf3/sv-benchmarks/c/combinations/gcd_2+newton_1_8.i[2820,2833] [2023-11-19 02:53:19,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:19,041 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:19,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:19 WrapperNode [2023-11-19 02:53:19,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:19,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:19,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:19,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:19,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:19" (1/1) ... [2023-11-19 02:53:19,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:19" (1/1) ... [2023-11-19 02:53:19,112 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 89 [2023-11-19 02:53:19,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:19,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:19,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:19,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:19,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:19" (1/1) ... [2023-11-19 02:53:19,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:19" (1/1) ... [2023-11-19 02:53:19,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:19" (1/1) ... [2023-11-19 02:53:19,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:19" (1/1) ... [2023-11-19 02:53:19,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:19" (1/1) ... [2023-11-19 02:53:19,156 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:19" (1/1) ... [2023-11-19 02:53:19,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:19" (1/1) ... [2023-11-19 02:53:19,159 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:19" (1/1) ... [2023-11-19 02:53:19,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:19,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:19,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:19,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:19,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:19" (1/1) ... [2023-11-19 02:53:19,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:19,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:19,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:19,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:53:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:19,327 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:19,329 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:19,595 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:19,698 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:19,705 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:53:19,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:19 BoogieIcfgContainer [2023-11-19 02:53:19,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:19,710 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:19,710 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:19,720 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:19,720 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:19" (1/1) ... [2023-11-19 02:53:19,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:53:19,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:19,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-19 02:53:19,782 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-19 02:53:19,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:53:19,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:19,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:53:19,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:53:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:53:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:53:19,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:53:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:53:20,021 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:53:20,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:53:20 ImpRootNode [2023-11-19 02:53:20,041 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:53:20,042 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:53:20,042 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:53:20,042 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:53:20,043 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:19" (3/4) ... [2023-11-19 02:53:20,045 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:53:20,046 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:53:20,048 INFO L158 Benchmark]: Toolchain (without parser) took 1392.64ms. Allocated memory is still 153.1MB. Free memory was 116.8MB in the beginning and 73.3MB in the end (delta: 43.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 02:53:20,050 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:20,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.36ms. Allocated memory is still 153.1MB. Free memory was 116.8MB in the beginning and 104.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:53:20,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.74ms. Allocated memory is still 153.1MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:20,052 INFO L158 Benchmark]: Boogie Preprocessor took 46.81ms. Allocated memory is still 153.1MB. Free memory was 102.7MB in the beginning and 101.7MB in the end (delta: 971.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:20,053 INFO L158 Benchmark]: RCFGBuilder took 547.16ms. Allocated memory is still 153.1MB. Free memory was 101.7MB in the beginning and 85.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:53:20,054 INFO L158 Benchmark]: CodeCheck took 331.49ms. Allocated memory is still 153.1MB. Free memory was 85.2MB in the beginning and 73.9MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:53:20,055 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 153.1MB. Free memory was 73.3MB in the beginning and 73.3MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:20,064 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 > -2.0f && IN < 2.0f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) [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 0.33ms. Allocated memory is still 100.7MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.36ms. Allocated memory is still 153.1MB. Free memory was 116.8MB in the beginning and 104.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.74ms. Allocated memory is still 153.1MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.81ms. Allocated memory is still 153.1MB. Free memory was 102.7MB in the beginning and 101.7MB in the end (delta: 971.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 547.16ms. Allocated memory is still 153.1MB. Free memory was 101.7MB in the beginning and 85.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 331.49ms. Allocated memory is still 153.1MB. Free memory was 85.2MB in the beginning and 73.9MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 153.1MB. Free memory was 73.3MB in the beginning and 73.3MB in the end (delta: 2.7kB). 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 02:53:20,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/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_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/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_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_1_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/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_42e96822-0f2c-4dcb-a083-5459be4d0bf3/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 f15ee43151b815daf0172d1dd7cbf85838195f09623b71f36e6eaf1920c66307 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:22,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:23,030 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:53:23,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:23,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:23,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:23,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:23,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:23,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:23,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:23,087 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:23,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:23,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:23,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:23,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:23,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:23,091 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:53:23,091 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:53:23,092 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:53:23,093 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:23,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:23,094 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:23,094 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:23,095 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:23,095 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:23,096 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:23,096 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:53:23,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:23,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:23,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:23,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:23,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:23,100 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:53:23,100 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:23,100 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:23,101 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:53:23,101 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:53:23,101 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_42e96822-0f2c-4dcb-a083-5459be4d0bf3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f15ee43151b815daf0172d1dd7cbf85838195f09623b71f36e6eaf1920c66307 [2023-11-19 02:53:23,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:23,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:23,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:23,568 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:23,569 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:23,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/gcd_2+newton_1_8.i [2023-11-19 02:53:26,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:27,035 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:27,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/sv-benchmarks/c/combinations/gcd_2+newton_1_8.i [2023-11-19 02:53:27,050 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/data/4716bda29/d064e45d4e854f3fb9e017f4cca8b842/FLAGd1d34d4cd [2023-11-19 02:53:27,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/data/4716bda29/d064e45d4e854f3fb9e017f4cca8b842 [2023-11-19 02:53:27,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:27,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:27,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:27,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:27,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:27,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:27" (1/1) ... [2023-11-19 02:53:27,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76932868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:27, skipping insertion in model container [2023-11-19 02:53:27,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:27" (1/1) ... [2023-11-19 02:53:27,124 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:27,296 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_42e96822-0f2c-4dcb-a083-5459be4d0bf3/sv-benchmarks/c/combinations/gcd_2+newton_1_8.i[1226,1239] [2023-11-19 02:53:27,336 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_42e96822-0f2c-4dcb-a083-5459be4d0bf3/sv-benchmarks/c/combinations/gcd_2+newton_1_8.i[2820,2833] [2023-11-19 02:53:27,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:27,358 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:27,382 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_42e96822-0f2c-4dcb-a083-5459be4d0bf3/sv-benchmarks/c/combinations/gcd_2+newton_1_8.i[1226,1239] [2023-11-19 02:53:27,418 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_42e96822-0f2c-4dcb-a083-5459be4d0bf3/sv-benchmarks/c/combinations/gcd_2+newton_1_8.i[2820,2833] [2023-11-19 02:53:27,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:27,451 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:27,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:27 WrapperNode [2023-11-19 02:53:27,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:27,453 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:27,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:27,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:27,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:27" (1/1) ... [2023-11-19 02:53:27,490 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:27" (1/1) ... [2023-11-19 02:53:27,533 INFO L138 Inliner]: procedures = 28, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 84 [2023-11-19 02:53:27,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:27,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:27,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:27,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:27,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:27" (1/1) ... [2023-11-19 02:53:27,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:27" (1/1) ... [2023-11-19 02:53:27,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:27" (1/1) ... [2023-11-19 02:53:27,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:27" (1/1) ... [2023-11-19 02:53:27,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:27" (1/1) ... [2023-11-19 02:53:27,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:27" (1/1) ... [2023-11-19 02:53:27,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:27" (1/1) ... [2023-11-19 02:53:27,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:27" (1/1) ... [2023-11-19 02:53:27,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:27,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:27,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:27,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:27,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:27" (1/1) ... [2023-11-19 02:53:27,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:27,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:27,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:27,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:53:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:27,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:27,792 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:27,794 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:49,000 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:49,085 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:49,085 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:53:49,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:49 BoogieIcfgContainer [2023-11-19 02:53:49,090 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:49,091 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:49,091 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:49,102 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:49,102 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:53:49,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-19 02:53:49,187 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-19 02:53:49,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:53:49,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:49,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:49,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:53:49,198 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:53:49,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e96822-0f2c-4dcb-a083-5459be4d0bf3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process