./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_6.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_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9 --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 2e48881fddee372e5aad046f2f519f188ef8a27fb46b046a6e106c678419a225 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:44:16,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:44:16,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:44:16,636 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:44:16,637 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:44:16,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:44:16,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:44:16,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:44:16,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:44:16,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:44:16,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:44:16,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:44:16,663 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:44:16,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:44:16,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:44:16,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:44:16,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:44:16,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:44:16,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:44:16,667 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:44:16,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:44:16,669 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:44:16,669 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:44:16,670 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:44:16,670 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:44:16,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:44:16,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:44:16,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:44:16,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:44:16,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:44:16,673 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:44:16,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:44:16,673 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:44:16,674 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_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e48881fddee372e5aad046f2f519f188ef8a27fb46b046a6e106c678419a225 [2023-12-02 21:44:16,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:44:16,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:44:16,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:44:16,888 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:44:16,888 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:44:16,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cdfpl/newton_2_6.i [2023-12-02 21:44:19,666 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:44:19,826 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:44:19,827 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/sv-benchmarks/c/floats-cdfpl/newton_2_6.i [2023-12-02 21:44:19,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/data/e1a6075d1/1e4d358bbe194be6b0f485ff55b3ffd3/FLAGb2651035e [2023-12-02 21:44:19,843 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/data/e1a6075d1/1e4d358bbe194be6b0f485ff55b3ffd3 [2023-12-02 21:44:19,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:44:19,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:44:19,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:44:19,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:44:19,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:44:19,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:44:19" (1/1) ... [2023-12-02 21:44:19,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@379e832b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:19, skipping insertion in model container [2023-12-02 21:44:19,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:44:19" (1/1) ... [2023-12-02 21:44:19,870 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:44:19,999 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_b924d8ab-4218-4097-974a-3fa7a79c7544/sv-benchmarks/c/floats-cdfpl/newton_2_6.i[1743,1756] [2023-12-02 21:44:20,002 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:44:20,011 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:44:20,027 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_b924d8ab-4218-4097-974a-3fa7a79c7544/sv-benchmarks/c/floats-cdfpl/newton_2_6.i[1743,1756] [2023-12-02 21:44:20,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:44:20,039 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:44:20,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:20 WrapperNode [2023-12-02 21:44:20,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:44:20,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:44:20,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:44:20,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:44:20,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:20" (1/1) ... [2023-12-02 21:44:20,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:20" (1/1) ... [2023-12-02 21:44:20,066 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2023-12-02 21:44:20,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:44:20,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:44:20,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:44:20,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:44:20,073 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:20" (1/1) ... [2023-12-02 21:44:20,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:20" (1/1) ... [2023-12-02 21:44:20,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:20" (1/1) ... [2023-12-02 21:44:20,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:20" (1/1) ... [2023-12-02 21:44:20,080 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:20" (1/1) ... [2023-12-02 21:44:20,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:20" (1/1) ... [2023-12-02 21:44:20,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:20" (1/1) ... [2023-12-02 21:44:20,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:20" (1/1) ... [2023-12-02 21:44:20,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:44:20,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:44:20,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:44:20,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:44:20,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:20" (1/1) ... [2023-12-02 21:44:20,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:44:20,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:44:20,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:44:20,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:44:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:44:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-12-02 21:44:20,161 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-12-02 21:44:20,161 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-12-02 21:44:20,162 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-12-02 21:44:20,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:44:20,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:44:20,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:44:20,226 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:44:20,228 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:44:20,318 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:44:20,357 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:44:20,357 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:44:20,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:44:20 BoogieIcfgContainer [2023-12-02 21:44:20,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:44:20,359 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:44:20,359 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:44:20,367 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:44:20,367 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:44:20" (1/1) ... [2023-12-02 21:44:20,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:44:20,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:20,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 21:44:20,419 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 21:44:20,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:44:20,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:20,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:44:20,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:44:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:44:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:44:20,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:44:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:44:20,610 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:44:20,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-12-02 21:44:20,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-12-02 21:44:20,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret3 could not be translated [2023-12-02 21:44:20,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-12-02 21:44:20,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-12-02 21:44:20,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-12-02 21:44:20,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:44:20 ImpRootNode [2023-12-02 21:44:20,634 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:44:20,635 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:44:20,635 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:44:20,635 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:44:20,636 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:44:20" (3/4) ... [2023-12-02 21:44:20,637 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:44:20,638 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:44:20,639 INFO L158 Benchmark]: Toolchain (without parser) took 792.15ms. Allocated memory is still 144.7MB. Free memory was 98.9MB in the beginning and 60.0MB in the end (delta: 38.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 21:44:20,639 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:44:20,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.85ms. Allocated memory is still 144.7MB. Free memory was 98.4MB in the beginning and 88.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:44:20,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.52ms. Allocated memory is still 144.7MB. Free memory was 88.0MB in the beginning and 86.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:44:20,641 INFO L158 Benchmark]: Boogie Preprocessor took 19.23ms. Allocated memory is still 144.7MB. Free memory was 86.3MB in the beginning and 85.4MB in the end (delta: 940.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:44:20,642 INFO L158 Benchmark]: RCFGBuilder took 271.91ms. Allocated memory is still 144.7MB. Free memory was 85.4MB in the beginning and 74.2MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:44:20,642 INFO L158 Benchmark]: CodeCheck took 274.99ms. Allocated memory is still 144.7MB. Free memory was 74.2MB in the beginning and 60.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:44:20,643 INFO L158 Benchmark]: Witness Printer took 3.37ms. Allocated memory is still 144.7MB. Free memory was 60.2MB in the beginning and 60.0MB in the end (delta: 249.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:44:20,646 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 > -1.2f && IN < 1.2f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -1.2f && IN < 1.2f) [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 0.16ms. Allocated memory is still 102.8MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 192.85ms. Allocated memory is still 144.7MB. Free memory was 98.4MB in the beginning and 88.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.52ms. Allocated memory is still 144.7MB. Free memory was 88.0MB in the beginning and 86.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.23ms. Allocated memory is still 144.7MB. Free memory was 86.3MB in the beginning and 85.4MB in the end (delta: 940.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 271.91ms. Allocated memory is still 144.7MB. Free memory was 85.4MB in the beginning and 74.2MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 274.99ms. Allocated memory is still 144.7MB. Free memory was 74.2MB in the beginning and 60.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 3.37ms. Allocated memory is still 144.7MB. Free memory was 60.2MB in the beginning and 60.0MB in the end (delta: 249.5kB). 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~ret2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret4 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 The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:44:20,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9 --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 2e48881fddee372e5aad046f2f519f188ef8a27fb46b046a6e106c678419a225 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:44:22,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:44:22,737 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:44:22,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:44:22,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:44:22,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:44:22,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:44:22,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:44:22,773 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:44:22,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:44:22,774 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:44:22,774 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:44:22,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:44:22,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:44:22,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:44:22,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:44:22,777 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:44:22,777 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:44:22,778 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:44:22,778 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:44:22,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:44:22,779 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:44:22,780 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:44:22,780 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:44:22,781 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:44:22,781 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:22,782 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:44:22,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:44:22,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:44:22,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:44:22,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:44:22,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:44:22,785 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:44:22,785 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:22,785 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:44:22,786 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:44:22,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:44:22,786 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_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e48881fddee372e5aad046f2f519f188ef8a27fb46b046a6e106c678419a225 [2023-12-02 21:44:23,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:44:23,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:44:23,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:44:23,081 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:44:23,082 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:44:23,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cdfpl/newton_2_6.i [2023-12-02 21:44:25,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:44:26,024 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:44:26,024 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/sv-benchmarks/c/floats-cdfpl/newton_2_6.i [2023-12-02 21:44:26,031 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/data/c371008d2/d39fd76eae0c413a902ced39bafa71ca/FLAG627eef5d1 [2023-12-02 21:44:26,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/data/c371008d2/d39fd76eae0c413a902ced39bafa71ca [2023-12-02 21:44:26,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:44:26,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:44:26,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:44:26,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:44:26,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:44:26,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:44:26" (1/1) ... [2023-12-02 21:44:26,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10167f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:26, skipping insertion in model container [2023-12-02 21:44:26,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:44:26" (1/1) ... [2023-12-02 21:44:26,070 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:44:26,219 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_b924d8ab-4218-4097-974a-3fa7a79c7544/sv-benchmarks/c/floats-cdfpl/newton_2_6.i[1743,1756] [2023-12-02 21:44:26,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:44:26,234 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:44:26,251 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_b924d8ab-4218-4097-974a-3fa7a79c7544/sv-benchmarks/c/floats-cdfpl/newton_2_6.i[1743,1756] [2023-12-02 21:44:26,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:44:26,267 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:44:26,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:26 WrapperNode [2023-12-02 21:44:26,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:44:26,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:44:26,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:44:26,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:44:26,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:26" (1/1) ... [2023-12-02 21:44:26,283 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:26" (1/1) ... [2023-12-02 21:44:26,300 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2023-12-02 21:44:26,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:44:26,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:44:26,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:44:26,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:44:26,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:26" (1/1) ... [2023-12-02 21:44:26,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:26" (1/1) ... [2023-12-02 21:44:26,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:26" (1/1) ... [2023-12-02 21:44:26,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:26" (1/1) ... [2023-12-02 21:44:26,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:26" (1/1) ... [2023-12-02 21:44:26,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:26" (1/1) ... [2023-12-02 21:44:26,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:26" (1/1) ... [2023-12-02 21:44:26,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:26" (1/1) ... [2023-12-02 21:44:26,331 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:44:26,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:44:26,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:44:26,332 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:44:26,333 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:44:26" (1/1) ... [2023-12-02 21:44:26,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:44:26,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:44:26,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:44:26,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:44:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:44:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-12-02 21:44:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-12-02 21:44:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:44:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-12-02 21:44:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-12-02 21:44:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:44:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:44:26,491 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:44:26,493 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:44:50,749 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:44:50,797 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:44:50,797 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:44:50,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:44:50 BoogieIcfgContainer [2023-12-02 21:44:50,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:44:50,800 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:44:50,801 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:44:50,811 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:44:50,811 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:44:50" (1/1) ... [2023-12-02 21:44:50,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:44:50,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:50,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 21:44:50,877 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 21:44:50,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:44:50,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:50,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:50,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:50,885 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:50,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b924d8ab-4218-4097-974a-3fa7a79c7544/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process