./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi --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 0ab5777642cde097746efbdcec62a3bf9c0f2990d306ce817d23d6ae18cd58fa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:17,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:17,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:03:17,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:03:17,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:03:17,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:17,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:17,969 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:17,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:17,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:17,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:17,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:17,976 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:17,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:17,978 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:17,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:17,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:17,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:17,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:17,981 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:17,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:17,982 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:17,982 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:17,983 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:17,983 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:17,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:17,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:17,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:17,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:17,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:17,987 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:03:17,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:03:17,987 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:17,988 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_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ab5777642cde097746efbdcec62a3bf9c0f2990d306ce817d23d6ae18cd58fa [2023-11-24 23:03:18,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:18,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:18,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:18,286 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:18,287 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:18,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/floats-cdfpl/newton_2_1.i [2023-11-24 23:03:21,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:21,790 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:21,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/sv-benchmarks/c/floats-cdfpl/newton_2_1.i [2023-11-24 23:03:21,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/data/042b0eb1b/21f0d8b5ef6b4f2c95e0ba91c5d81090/FLAGaf2506939 [2023-11-24 23:03:21,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/data/042b0eb1b/21f0d8b5ef6b4f2c95e0ba91c5d81090 [2023-11-24 23:03:21,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:21,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:21,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:21,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:21,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:21,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:21" (1/1) ... [2023-11-24 23:03:21,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@739386dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:21, skipping insertion in model container [2023-11-24 23:03:21,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:21" (1/1) ... [2023-11-24 23:03:21,854 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:22,011 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_9f192a41-e104-4cce-9b1c-a8afbdb33de8/sv-benchmarks/c/floats-cdfpl/newton_2_1.i[1743,1756] [2023-11-24 23:03:22,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:22,024 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:22,041 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_9f192a41-e104-4cce-9b1c-a8afbdb33de8/sv-benchmarks/c/floats-cdfpl/newton_2_1.i[1743,1756] [2023-11-24 23:03:22,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:22,057 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:22,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:22 WrapperNode [2023-11-24 23:03:22,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:22,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:22,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:22,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:22,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:22" (1/1) ... [2023-11-24 23:03:22,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:22" (1/1) ... [2023-11-24 23:03:22,091 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2023-11-24 23:03:22,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:22,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:22,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:22,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:22,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:22" (1/1) ... [2023-11-24 23:03:22,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:22" (1/1) ... [2023-11-24 23:03:22,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:22" (1/1) ... [2023-11-24 23:03:22,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:22" (1/1) ... [2023-11-24 23:03:22,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:22" (1/1) ... [2023-11-24 23:03:22,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:22" (1/1) ... [2023-11-24 23:03:22,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:22" (1/1) ... [2023-11-24 23:03:22,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:22" (1/1) ... [2023-11-24 23:03:22,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:22,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:22,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:22,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:22,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:22" (1/1) ... [2023-11-24 23:03:22,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:22,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:22,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:22,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-24 23:03:22,205 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-24 23:03:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-24 23:03:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-24 23:03:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:03:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:22,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:22,280 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:22,282 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:22,394 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:22,439 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:22,439 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:03:22,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:22 BoogieIcfgContainer [2023-11-24 23:03:22,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:22,442 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:22,442 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:22,454 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:22,454 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:22" (1/1) ... [2023-11-24 23:03:22,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:22,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:22,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-24 23:03:22,523 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-24 23:03:22,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:03:22,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:22,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:22,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:03:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:22,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:03:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:22,861 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:03:22,888 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-11-24 23:03:22,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret3 could not be translated [2023-11-24 23:03:22,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-11-24 23:03:22,891 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-11-24 23:03:22,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-11-24 23:03:22,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-11-24 23:03:22,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:03:22 ImpRootNode [2023-11-24 23:03:22,899 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:03:22,901 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:03:22,901 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:03:22,902 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:03:22,902 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:22" (3/4) ... [2023-11-24 23:03:22,904 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:03:22,905 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:03:22,906 INFO L158 Benchmark]: Toolchain (without parser) took 1088.75ms. Allocated memory is still 176.2MB. Free memory was 137.3MB in the beginning and 97.4MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-24 23:03:22,907 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:22,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.11ms. Allocated memory is still 176.2MB. Free memory was 137.3MB in the beginning and 126.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:03:22,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.17ms. Allocated memory is still 176.2MB. Free memory was 126.7MB in the beginning and 125.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:22,910 INFO L158 Benchmark]: Boogie Preprocessor took 23.02ms. Allocated memory is still 176.2MB. Free memory was 125.7MB in the beginning and 124.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:22,911 INFO L158 Benchmark]: RCFGBuilder took 319.93ms. Allocated memory is still 176.2MB. Free memory was 123.6MB in the beginning and 112.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:03:22,913 INFO L158 Benchmark]: CodeCheck took 457.63ms. Allocated memory is still 176.2MB. Free memory was 112.1MB in the beginning and 97.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:03:22,913 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 176.2MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:22,926 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 17 NumberOfCodeBlocks, 17 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: 51]: 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 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L42] CALL, EXPR f(IN) VAL [\old(x)=2] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L42] RET, EXPR f(IN) VAL [IN=2] [L42] CALL, EXPR fp(IN) VAL [\old(x)=2] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L42] RET, EXPR fp(IN) VAL [IN=2] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) VAL [\old(x)=5] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L44] RET, EXPR f(x) VAL [IN=2, x=5] [L44] CALL, EXPR fp(x) VAL [\old(x)=5] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L44] RET, EXPR fp(x) VAL [IN=2, x=5] [L44] x = x - f(x)/fp(x) [L50] COND TRUE !(x < 0.1) VAL [IN=2] [L51] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.11ms. Allocated memory is still 176.2MB. Free memory was 137.3MB in the beginning and 126.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.17ms. Allocated memory is still 176.2MB. Free memory was 126.7MB in the beginning and 125.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.02ms. Allocated memory is still 176.2MB. Free memory was 125.7MB in the beginning and 124.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 319.93ms. Allocated memory is still 176.2MB. Free memory was 123.6MB in the beginning and 112.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 457.63ms. Allocated memory is still 176.2MB. Free memory was 112.1MB in the beginning and 97.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 176.2MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:03:22,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi --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 0ab5777642cde097746efbdcec62a3bf9c0f2990d306ce817d23d6ae18cd58fa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:25,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:25,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:03:25,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:25,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:25,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:25,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:25,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:25,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:25,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:25,791 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:25,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:25,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:25,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:25,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:25,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:25,795 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:03:25,796 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:03:25,797 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:03:25,797 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:25,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:25,799 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:25,799 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:25,800 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:25,801 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:25,801 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:25,802 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:03:25,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:25,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:25,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:25,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:25,805 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:25,805 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:03:25,806 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:25,806 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:25,807 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:03:25,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:03:25,807 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_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ab5777642cde097746efbdcec62a3bf9c0f2990d306ce817d23d6ae18cd58fa [2023-11-24 23:03:26,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:26,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:26,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:26,190 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:26,191 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:26,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/floats-cdfpl/newton_2_1.i [2023-11-24 23:03:29,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:29,574 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:29,575 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/sv-benchmarks/c/floats-cdfpl/newton_2_1.i [2023-11-24 23:03:29,583 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/data/6f7201a3f/eda13e6119b94dcdb4af56e8f7943509/FLAG5cd75635d [2023-11-24 23:03:29,598 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/data/6f7201a3f/eda13e6119b94dcdb4af56e8f7943509 [2023-11-24 23:03:29,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:29,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:29,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:29,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:29,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:29,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618b7f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29, skipping insertion in model container [2023-11-24 23:03:29,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,634 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:29,803 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_9f192a41-e104-4cce-9b1c-a8afbdb33de8/sv-benchmarks/c/floats-cdfpl/newton_2_1.i[1743,1756] [2023-11-24 23:03:29,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:29,823 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:29,844 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_9f192a41-e104-4cce-9b1c-a8afbdb33de8/sv-benchmarks/c/floats-cdfpl/newton_2_1.i[1743,1756] [2023-11-24 23:03:29,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:29,861 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:29,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29 WrapperNode [2023-11-24 23:03:29,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:29,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:29,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:29,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:29,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,882 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,903 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2023-11-24 23:03:29,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:29,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:29,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:29,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:29,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:29,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:29,967 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:29,967 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:29,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:29" (1/1) ... [2023-11-24 23:03:29,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:29,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:30,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:30,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:30,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:30,061 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-24 23:03:30,061 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-24 23:03:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:03:30,063 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-24 23:03:30,063 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-24 23:03:30,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:30,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:30,159 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:30,162 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:56,822 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:56,887 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:56,887 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:03:56,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:56 BoogieIcfgContainer [2023-11-24 23:03:56,889 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:56,890 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:56,890 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:56,901 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:56,901 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:56" (1/1) ... [2023-11-24 23:03:56,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:56,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:56,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-24 23:03:56,980 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-24 23:03:56,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:03:56,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:56,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:56,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:03:56,990 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:03:56,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f192a41-e104-4cce-9b1c-a8afbdb33de8/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process