./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/log_4_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_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/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_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/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_f61f57f2-d3bf-4fe1-a148-97b52fd725be/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 191893af89e745e65c72b504e763dfd908536e4c3bc0a58c22606428a6927de5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:53:47,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:53:47,175 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 20:53:47,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:53:47,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 20:53:47,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:53:47,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:53:47,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:53:47,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:53:47,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:53:47,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:53:47,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:53:47,211 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:53:47,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:53:47,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:53:47,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:53:47,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:53:47,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:53:47,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:53:47,214 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:53:47,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:53:47,216 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:53:47,216 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:53:47,217 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:53:47,217 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:53:47,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:53:47,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:53:47,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:53:47,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:53:47,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:53:47,220 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 20:53:47,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:53:47,221 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:53:47,221 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_f61f57f2-d3bf-4fe1-a148-97b52fd725be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 191893af89e745e65c72b504e763dfd908536e4c3bc0a58c22606428a6927de5 [2023-12-02 20:53:47,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:53:47,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:53:47,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:53:47,470 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:53:47,470 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:53:47,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i [2023-12-02 20:53:50,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:53:50,536 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:53:50,537 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i [2023-12-02 20:53:50,557 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/data/05511739f/1614dc25da13409987e5f76f8ba319ec/FLAG8c7e71ef7 [2023-12-02 20:53:50,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/data/05511739f/1614dc25da13409987e5f76f8ba319ec [2023-12-02 20:53:50,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:53:50,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:53:50,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:53:50,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:53:50,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:53:50,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:53:50" (1/1) ... [2023-12-02 20:53:50,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dfb8167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:50, skipping insertion in model container [2023-12-02 20:53:50,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:53:50" (1/1) ... [2023-12-02 20:53:50,629 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:53:51,191 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-12-02 20:53:51,192 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_f61f57f2-d3bf-4fe1-a148-97b52fd725be/sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i[63189,63202] [2023-12-02 20:53:51,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:53:51,203 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:53:51,241 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-12-02 20:53:51,243 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_f61f57f2-d3bf-4fe1-a148-97b52fd725be/sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i[63189,63202] [2023-12-02 20:53:51,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:53:51,427 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:53:51,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:51 WrapperNode [2023-12-02 20:53:51,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:53:51,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:53:51,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:53:51,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:53:51,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:51" (1/1) ... [2023-12-02 20:53:51,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:51" (1/1) ... [2023-12-02 20:53:51,482 INFO L138 Inliner]: procedures = 557, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2023-12-02 20:53:51,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:53:51,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:53:51,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:53:51,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:53:51,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:51" (1/1) ... [2023-12-02 20:53:51,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:51" (1/1) ... [2023-12-02 20:53:51,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:51" (1/1) ... [2023-12-02 20:53:51,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:51" (1/1) ... [2023-12-02 20:53:51,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:51" (1/1) ... [2023-12-02 20:53:51,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:51" (1/1) ... [2023-12-02 20:53:51,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:51" (1/1) ... [2023-12-02 20:53:51,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:51" (1/1) ... [2023-12-02 20:53:51,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:53:51,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:53:51,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:53:51,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:53:51,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:51" (1/1) ... [2023-12-02 20:53:51,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:53:51,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:53:51,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:53:51,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:53:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:53:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:53:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:53:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:53:51,661 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:53:51,663 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:53:51,735 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:53:51,786 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:53:51,786 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 20:53:51,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:51 BoogieIcfgContainer [2023-12-02 20:53:51,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:53:51,789 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:53:51,790 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:53:51,800 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:53:51,800 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:51" (1/1) ... [2023-12-02 20:53:51,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:53:51,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:53:51,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-02 20:53:51,853 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-02 20:53:51,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 20:53:51,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:53:51,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:53:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:53:51,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:53:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:53:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:53:51,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:53:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:53:52,003 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 20:53:52,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:53:52 ImpRootNode [2023-12-02 20:53:52,022 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 20:53:52,022 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 20:53:52,022 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 20:53:52,023 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 20:53:52,023 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:51" (3/4) ... [2023-12-02 20:53:52,025 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 20:53:52,027 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 20:53:52,028 INFO L158 Benchmark]: Toolchain (without parser) took 1453.30ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 97.1MB in the beginning and 110.8MB in the end (delta: -13.7MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-12-02 20:53:52,028 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:53:52,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 853.29ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 97.1MB in the beginning and 138.0MB in the end (delta: -40.9MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2023-12-02 20:53:52,030 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.45ms. Allocated memory is still 176.2MB. Free memory was 138.0MB in the beginning and 135.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:53:52,030 INFO L158 Benchmark]: Boogie Preprocessor took 21.32ms. Allocated memory is still 176.2MB. Free memory was 135.9MB in the beginning and 134.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:53:52,031 INFO L158 Benchmark]: RCFGBuilder took 283.25ms. Allocated memory is still 176.2MB. Free memory was 133.8MB in the beginning and 122.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 20:53:52,032 INFO L158 Benchmark]: CodeCheck took 232.25ms. Allocated memory is still 176.2MB. Free memory was 122.3MB in the beginning and 110.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 20:53:52,032 INFO L158 Benchmark]: Witness Printer took 4.63ms. Allocated memory is still 176.2MB. Free memory was 110.8MB in the beginning and 110.8MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:53:52,036 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: 855]: 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 855, overapproximation of someBinaryArithmeticFLOAToperation at line 848. Possible FailurePath: [L847] float x1 = __VERIFIER_nondet_float(); [L848] float x2 = x1 + 1e-2f; [L849] EXPR __builtin_isgreaterequal(x1, 0.0f) && !__builtin_isinf_sign (x1) [L849] EXPR __builtin_isgreaterequal(x1, 0.0f) && !__builtin_isinf_sign (x1) [L849] COND FALSE !(!(__builtin_isgreaterequal(x1, 0.0f) && !__builtin_isinf_sign (x1))) [L850] float y1 = logf(x1); [L851] float y2 = logf(x2); [L852] float derivative = (y2 - y1) / 1e-2f; [L853] float d2 = 1.0f / x2; [L854] float diff = derivative - d2; [L855] COND TRUE !(__builtin_isgreaterequal(diff, -1e-3f)) [L855] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 853.29ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 97.1MB in the beginning and 138.0MB in the end (delta: -40.9MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.45ms. Allocated memory is still 176.2MB. Free memory was 138.0MB in the beginning and 135.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.32ms. Allocated memory is still 176.2MB. Free memory was 135.9MB in the beginning and 134.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 283.25ms. Allocated memory is still 176.2MB. Free memory was 133.8MB in the beginning and 122.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 232.25ms. Allocated memory is still 176.2MB. Free memory was 122.3MB in the beginning and 110.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.63ms. Allocated memory is still 176.2MB. Free memory was 110.8MB in the beginning and 110.8MB in the end (delta: 2.6kB). 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 20:53:52,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/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_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/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_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/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_f61f57f2-d3bf-4fe1-a148-97b52fd725be/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 191893af89e745e65c72b504e763dfd908536e4c3bc0a58c22606428a6927de5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:53:53,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:53:54,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 20:53:54,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:53:54,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:53:54,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:53:54,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:53:54,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:53:54,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:53:54,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:53:54,056 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:53:54,056 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:53:54,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:53:54,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:53:54,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:53:54,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:53:54,059 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:53:54,060 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 20:53:54,060 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 20:53:54,061 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:53:54,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:53:54,063 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:53:54,063 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:53:54,064 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:53:54,064 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:53:54,064 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:53:54,065 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 20:53:54,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:53:54,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:53:54,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:53:54,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:53:54,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:53:54,067 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 20:53:54,067 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:53:54,068 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:53:54,068 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 20:53:54,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:53:54,068 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_f61f57f2-d3bf-4fe1-a148-97b52fd725be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 191893af89e745e65c72b504e763dfd908536e4c3bc0a58c22606428a6927de5 [2023-12-02 20:53:54,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:53:54,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:53:54,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:53:54,370 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:53:54,371 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:53:54,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i [2023-12-02 20:53:57,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:53:57,421 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:53:57,422 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i [2023-12-02 20:53:57,441 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/data/ae31b5970/c57b2438e7874693a0393d0f5576d14e/FLAG424d557e6 [2023-12-02 20:53:57,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/data/ae31b5970/c57b2438e7874693a0393d0f5576d14e [2023-12-02 20:53:57,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:53:57,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:53:57,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:53:57,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:53:57,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:53:57,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:53:57" (1/1) ... [2023-12-02 20:53:57,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1426d62b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:57, skipping insertion in model container [2023-12-02 20:53:57,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:53:57" (1/1) ... [2023-12-02 20:53:57,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:53:58,355 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-12-02 20:53:58,357 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_f61f57f2-d3bf-4fe1-a148-97b52fd725be/sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i[63189,63202] [2023-12-02 20:53:58,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:53:58,374 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:53:58,421 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-12-02 20:53:58,423 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_f61f57f2-d3bf-4fe1-a148-97b52fd725be/sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i[63189,63202] [2023-12-02 20:53:58,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:53:58,619 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:53:58,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58 WrapperNode [2023-12-02 20:53:58,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:53:58,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:53:58,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:53:58,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:53:58,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2023-12-02 20:53:58,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2023-12-02 20:53:58,682 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2023-12-02 20:53:58,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:53:58,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:53:58,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:53:58,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:53:58,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2023-12-02 20:53:58,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2023-12-02 20:53:58,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2023-12-02 20:53:58,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2023-12-02 20:53:58,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2023-12-02 20:53:58,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2023-12-02 20:53:58,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2023-12-02 20:53:58,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2023-12-02 20:53:58,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:53:58,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:53:58,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:53:58,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:53:58,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2023-12-02 20:53:58,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:53:58,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:53:58,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:53:58,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:53:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 20:53:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:53:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:53:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:53:58,864 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:53:58,866 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:54:03,247 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:54:03,298 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:54:03,299 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 20:54:03,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:54:03 BoogieIcfgContainer [2023-12-02 20:54:03,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:54:03,301 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:54:03,301 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:54:03,309 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:54:03,309 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:54:03" (1/1) ... [2023-12-02 20:54:03,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:54:03,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:03,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-02 20:54:03,357 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-02 20:54:03,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 20:54:03,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:03,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:54:03,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:54:03,380 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:54:03,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61f57f2-d3bf-4fe1-a148-97b52fd725be/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 20:54:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:54:04,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:54:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat