./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/erf_5_safe.c-amalgamation.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_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/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_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/erf_5_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/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_df1c7a51-65b0-40f7-adb1-228e56774bed/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 a61b450591d297bb54a7e2b017ddcc535583283602376cf67569cff0251cefee --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:31:25,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:31:25,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:31:25,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:31:25,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:31:25,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:31:25,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:31:25,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:31:25,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:31:25,311 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:31:25,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:31:25,312 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:31:25,312 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:31:25,313 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:31:25,313 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:31:25,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:31:25,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:31:25,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:31:25,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:31:25,316 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:31:25,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:31:25,317 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:31:25,317 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:31:25,318 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:31:25,318 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:31:25,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:31:25,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:31:25,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:31:25,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:31:25,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:31:25,321 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:31:25,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:31:25,322 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:31:25,322 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_df1c7a51-65b0-40f7-adb1-228e56774bed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a61b450591d297bb54a7e2b017ddcc535583283602376cf67569cff0251cefee [2023-12-02 21:31:25,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:31:25,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:31:25,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:31:25,582 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:31:25,583 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:31:25,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/erf_5_safe.c-amalgamation.i [2023-12-02 21:31:28,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:31:28,589 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:31:28,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/sv-benchmarks/c/neural-networks/erf_5_safe.c-amalgamation.i [2023-12-02 21:31:28,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/data/6b0106665/a326b8a1735148299b74e2f507269955/FLAG660e495dc [2023-12-02 21:31:28,624 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/data/6b0106665/a326b8a1735148299b74e2f507269955 [2023-12-02 21:31:28,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:31:28,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:31:28,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:31:28,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:31:28,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:31:28,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:31:28" (1/1) ... [2023-12-02 21:31:28,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b6cc79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:28, skipping insertion in model container [2023-12-02 21:31:28,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:31:28" (1/1) ... [2023-12-02 21:31:28,700 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:31:29,255 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_df1c7a51-65b0-40f7-adb1-228e56774bed/sv-benchmarks/c/neural-networks/erf_5_safe.c-amalgamation.i[63006,63019] [2023-12-02 21:31:29,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:31:29,265 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:31:29,303 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_df1c7a51-65b0-40f7-adb1-228e56774bed/sv-benchmarks/c/neural-networks/erf_5_safe.c-amalgamation.i[63006,63019] [2023-12-02 21:31:29,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:31:29,443 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:31:29,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:29 WrapperNode [2023-12-02 21:31:29,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:31:29,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:31:29,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:31:29,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:31:29,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:29" (1/1) ... [2023-12-02 21:31:29,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:29" (1/1) ... [2023-12-02 21:31:29,493 INFO L138 Inliner]: procedures = 557, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2023-12-02 21:31:29,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:31:29,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:31:29,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:31:29,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:31:29,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:29" (1/1) ... [2023-12-02 21:31:29,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:29" (1/1) ... [2023-12-02 21:31:29,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:29" (1/1) ... [2023-12-02 21:31:29,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:29" (1/1) ... [2023-12-02 21:31:29,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:29" (1/1) ... [2023-12-02 21:31:29,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:29" (1/1) ... [2023-12-02 21:31:29,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:29" (1/1) ... [2023-12-02 21:31:29,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:29" (1/1) ... [2023-12-02 21:31:29,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:31:29,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:31:29,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:31:29,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:31:29,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:29" (1/1) ... [2023-12-02 21:31:29,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:31:29,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:31:29,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:31:29,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:31:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:31:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:31:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:31:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:31:29,680 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:31:29,682 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:31:29,739 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:31:29,779 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:31:29,779 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:31:29,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:31:29 BoogieIcfgContainer [2023-12-02 21:31:29,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:31:29,782 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:31:29,782 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:31:29,790 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:31:29,791 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:31:29" (1/1) ... [2023-12-02 21:31:29,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:31:29,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:29,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-02 21:31:29,844 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-02 21:31:29,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:31:29,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:29,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:31:29,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:31:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:31:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:31:29,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:31:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:31:29,978 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:31:29,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:31:29 ImpRootNode [2023-12-02 21:31:29,997 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:31:29,997 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:31:29,998 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:31:29,998 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:31:29,998 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:31:29" (3/4) ... [2023-12-02 21:31:30,001 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:31:30,002 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:31:30,004 INFO L158 Benchmark]: Toolchain (without parser) took 1375.36ms. Allocated memory is still 153.1MB. Free memory was 111.3MB in the beginning and 104.0MB in the end (delta: 7.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-12-02 21:31:30,004 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 111.1MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:31:30,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 814.42ms. Allocated memory is still 153.1MB. Free memory was 111.3MB in the beginning and 74.7MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-02 21:31:30,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.41ms. Allocated memory is still 153.1MB. Free memory was 74.7MB in the beginning and 72.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:31:30,006 INFO L158 Benchmark]: Boogie Preprocessor took 22.48ms. Allocated memory is still 153.1MB. Free memory was 72.2MB in the beginning and 71.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:31:30,007 INFO L158 Benchmark]: RCFGBuilder took 263.69ms. Allocated memory is still 153.1MB. Free memory was 71.0MB in the beginning and 115.2MB in the end (delta: -44.3MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-12-02 21:31:30,007 INFO L158 Benchmark]: CodeCheck took 214.58ms. Allocated memory is still 153.1MB. Free memory was 115.2MB in the beginning and 104.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:31:30,008 INFO L158 Benchmark]: Witness Printer took 5.37ms. Allocated memory is still 153.1MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:31:30,011 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 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, 3 NumberOfCodeBlocks, 3 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: 851]: 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 851, overapproximation of someUnaryFLOAToperation at line 850. Possible FailurePath: [L847] float x = __VERIFIER_nondet_float(); [L848] COND FALSE !(!(__builtin_isgreaterequal(x, 0.0f))) [L849] float y = erff(x); [L850] float z = -erff(-x); [L851] COND TRUE !(y == z) [L851] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 111.1MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 814.42ms. Allocated memory is still 153.1MB. Free memory was 111.3MB in the beginning and 74.7MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.41ms. Allocated memory is still 153.1MB. Free memory was 74.7MB in the beginning and 72.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.48ms. Allocated memory is still 153.1MB. Free memory was 72.2MB in the beginning and 71.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 263.69ms. Allocated memory is still 153.1MB. Free memory was 71.0MB in the beginning and 115.2MB in the end (delta: -44.3MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * CodeCheck took 214.58ms. Allocated memory is still 153.1MB. Free memory was 115.2MB in the beginning and 104.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.37ms. Allocated memory is still 153.1MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:31:30,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/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_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/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_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/erf_5_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/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_df1c7a51-65b0-40f7-adb1-228e56774bed/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 a61b450591d297bb54a7e2b017ddcc535583283602376cf67569cff0251cefee --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:31:32,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:31:32,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:31:32,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:31:32,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:31:32,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:31:32,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:31:32,127 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:31:32,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:31:32,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:31:32,129 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:31:32,129 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:31:32,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:31:32,130 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:31:32,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:31:32,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:31:32,132 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:31:32,132 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:31:32,133 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:31:32,133 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:31:32,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:31:32,134 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:31:32,135 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:31:32,135 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:31:32,136 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:31:32,136 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:32,136 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:31:32,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:31:32,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:31:32,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:31:32,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:31:32,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:31:32,139 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:31:32,139 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:32,140 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:31:32,140 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:31:32,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:31:32,141 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_df1c7a51-65b0-40f7-adb1-228e56774bed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a61b450591d297bb54a7e2b017ddcc535583283602376cf67569cff0251cefee [2023-12-02 21:31:32,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:31:32,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:31:32,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:31:32,449 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:31:32,449 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:31:32,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/erf_5_safe.c-amalgamation.i [2023-12-02 21:31:35,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:31:35,487 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:31:35,488 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/sv-benchmarks/c/neural-networks/erf_5_safe.c-amalgamation.i [2023-12-02 21:31:35,508 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/data/77a978e49/27d00a8892004922b49c1304ea65578e/FLAG00fbc31ae [2023-12-02 21:31:35,523 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/data/77a978e49/27d00a8892004922b49c1304ea65578e [2023-12-02 21:31:35,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:31:35,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:31:35,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:31:35,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:31:35,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:31:35,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:31:35" (1/1) ... [2023-12-02 21:31:35,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a38a644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:35, skipping insertion in model container [2023-12-02 21:31:35,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:31:35" (1/1) ... [2023-12-02 21:31:35,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:31:36,467 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_df1c7a51-65b0-40f7-adb1-228e56774bed/sv-benchmarks/c/neural-networks/erf_5_safe.c-amalgamation.i[63006,63019] [2023-12-02 21:31:36,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:31:36,485 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:31:36,531 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_df1c7a51-65b0-40f7-adb1-228e56774bed/sv-benchmarks/c/neural-networks/erf_5_safe.c-amalgamation.i[63006,63019] [2023-12-02 21:31:36,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:31:36,672 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:31:36,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:36 WrapperNode [2023-12-02 21:31:36,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:31:36,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:31:36,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:31:36,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:31:36,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:36" (1/1) ... [2023-12-02 21:31:36,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:36" (1/1) ... [2023-12-02 21:31:36,731 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2023-12-02 21:31:36,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:31:36,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:31:36,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:31:36,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:31:36,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:36" (1/1) ... [2023-12-02 21:31:36,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:36" (1/1) ... [2023-12-02 21:31:36,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:36" (1/1) ... [2023-12-02 21:31:36,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:36" (1/1) ... [2023-12-02 21:31:36,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:36" (1/1) ... [2023-12-02 21:31:36,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:36" (1/1) ... [2023-12-02 21:31:36,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:36" (1/1) ... [2023-12-02 21:31:36,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:36" (1/1) ... [2023-12-02 21:31:36,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:31:36,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:31:36,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:31:36,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:31:36,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:36" (1/1) ... [2023-12-02 21:31:36,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:31:36,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:31:36,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:31:36,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:31:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:31:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:31:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:31:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:31:36,925 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:31:36,928 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:31:37,001 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:31:37,054 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:31:37,054 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:31:37,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:31:37 BoogieIcfgContainer [2023-12-02 21:31:37,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:31:37,057 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:31:37,057 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:31:37,067 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:31:37,067 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:31:37" (1/1) ... [2023-12-02 21:31:37,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:31:37,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:37,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-02 21:31:37,132 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-02 21:31:37,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:31:37,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:37,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:31:37,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:31:37,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:31:37,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1c7a51-65b0-40f7-adb1-228e56774bed/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:31:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:31:37,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:31:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat