./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/tanh_7_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/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_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_7_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/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_e29b980c-5620-464a-9741-42a597bd7132/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 d7a786ae073e026dbbd21689328725a476f652df15b702977675df9b5c10f237 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:46:56,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:46:56,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:46:56,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:46:56,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:46:56,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:46:56,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:46:56,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:46:56,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:46:56,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:46:56,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:46:56,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:46:56,187 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:46:56,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:46:56,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:46:56,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:46:56,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:46:56,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:46:56,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:46:56,190 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:46:56,191 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:46:56,194 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:46:56,194 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:46:56,195 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:46:56,195 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:46:56,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:46:56,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:46:56,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:46:56,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:46:56,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:46:56,197 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:46:56,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:46:56,198 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:46:56,198 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_e29b980c-5620-464a-9741-42a597bd7132/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7a786ae073e026dbbd21689328725a476f652df15b702977675df9b5c10f237 [2023-12-02 23:46:56,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:46:56,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:46:56,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:46:56,453 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:46:56,453 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:46:56,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/tanh_7_safe.c-amalgamation.i [2023-12-02 23:46:59,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:46:59,462 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:46:59,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/sv-benchmarks/c/neural-networks/tanh_7_safe.c-amalgamation.i [2023-12-02 23:46:59,485 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/data/263b9a665/73a5d2858118427a841d01cc81346dd8/FLAGd37ec1d02 [2023-12-02 23:46:59,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/data/263b9a665/73a5d2858118427a841d01cc81346dd8 [2023-12-02 23:46:59,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:46:59,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:46:59,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:46:59,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:46:59,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:46:59,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:46:59" (1/1) ... [2023-12-02 23:46:59,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7921c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:59, skipping insertion in model container [2023-12-02 23:46:59,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:46:59" (1/1) ... [2023-12-02 23:46:59,557 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:47:00,098 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_e29b980c-5620-464a-9741-42a597bd7132/sv-benchmarks/c/neural-networks/tanh_7_safe.c-amalgamation.i[63008,63021] [2023-12-02 23:47:00,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:47:00,109 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:47:00,152 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_e29b980c-5620-464a-9741-42a597bd7132/sv-benchmarks/c/neural-networks/tanh_7_safe.c-amalgamation.i[63008,63021] [2023-12-02 23:47:00,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:47:00,344 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:47:00,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:00 WrapperNode [2023-12-02 23:47:00,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:47:00,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:47:00,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:47:00,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:47:00,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:00" (1/1) ... [2023-12-02 23:47:00,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:00" (1/1) ... [2023-12-02 23:47:00,401 INFO L138 Inliner]: procedures = 557, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2023-12-02 23:47:00,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:47:00,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:47:00,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:47:00,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:47:00,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:00" (1/1) ... [2023-12-02 23:47:00,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:00" (1/1) ... [2023-12-02 23:47:00,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:00" (1/1) ... [2023-12-02 23:47:00,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:00" (1/1) ... [2023-12-02 23:47:00,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:00" (1/1) ... [2023-12-02 23:47:00,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:00" (1/1) ... [2023-12-02 23:47:00,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:00" (1/1) ... [2023-12-02 23:47:00,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:00" (1/1) ... [2023-12-02 23:47:00,427 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:47:00,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:47:00,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:47:00,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:47:00,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:00" (1/1) ... [2023-12-02 23:47:00,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:47:00,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:47:00,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:47:00,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:47:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:47:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:47:00,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:47:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:47:00,593 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:47:00,595 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:47:00,651 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:47:00,691 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:47:00,691 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:47:00,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:47:00 BoogieIcfgContainer [2023-12-02 23:47:00,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:47:00,694 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:47:00,694 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:47:00,704 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:47:00,704 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:47:00" (1/1) ... [2023-12-02 23:47:00,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:47:00,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:00,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-02 23:47:00,767 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-02 23:47:00,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:47:00,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:00,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:47:00,860 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:47:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:47:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:47:00,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:47:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:47:00,923 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:47:00,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:47:00 ImpRootNode [2023-12-02 23:47:00,941 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:47:00,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:47:00,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:47:00,943 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:47:00,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:47:00" (3/4) ... [2023-12-02 23:47:00,945 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:47:00,947 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:47:00,948 INFO L158 Benchmark]: Toolchain (without parser) took 1445.34ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 99.6MB in the beginning and 103.3MB in the end (delta: -3.7MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2023-12-02 23:47:00,949 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:47:00,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 842.02ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 99.6MB in the beginning and 129.5MB in the end (delta: -29.9MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2023-12-02 23:47:00,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.27ms. Allocated memory is still 190.8MB. Free memory was 129.5MB in the beginning and 126.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:47:00,952 INFO L158 Benchmark]: Boogie Preprocessor took 25.80ms. Allocated memory is still 190.8MB. Free memory was 126.4MB in the beginning and 125.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:47:00,953 INFO L158 Benchmark]: RCFGBuilder took 264.93ms. Allocated memory is still 190.8MB. Free memory was 125.3MB in the beginning and 114.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:47:00,953 INFO L158 Benchmark]: CodeCheck took 247.54ms. Allocated memory is still 190.8MB. Free memory was 114.8MB in the beginning and 103.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:47:00,954 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 190.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:47:00,958 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 = tanhf(x); [L850] float z = -tanhf(-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 0.16ms. Allocated memory is still 92.3MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 842.02ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 99.6MB in the beginning and 129.5MB in the end (delta: -29.9MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.27ms. Allocated memory is still 190.8MB. Free memory was 129.5MB in the beginning and 126.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.80ms. Allocated memory is still 190.8MB. Free memory was 126.4MB in the beginning and 125.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 264.93ms. Allocated memory is still 190.8MB. Free memory was 125.3MB in the beginning and 114.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 247.54ms. Allocated memory is still 190.8MB. Free memory was 114.8MB in the beginning and 103.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 190.8MB. Free memory is still 103.3MB. 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 23:47:00,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/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_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_7_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/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_e29b980c-5620-464a-9741-42a597bd7132/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 d7a786ae073e026dbbd21689328725a476f652df15b702977675df9b5c10f237 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:47:02,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:47:03,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:47:03,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:47:03,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:47:03,037 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:47:03,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:47:03,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:47:03,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:47:03,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:47:03,040 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:47:03,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:47:03,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:47:03,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:47:03,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:47:03,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:47:03,043 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:47:03,044 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:47:03,044 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:47:03,045 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:47:03,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:47:03,046 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:47:03,046 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:47:03,047 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:47:03,047 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:47:03,048 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:03,048 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:47:03,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:47:03,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:47:03,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:47:03,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:47:03,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:47:03,050 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:47:03,051 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:03,051 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:47:03,051 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:47:03,051 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:47:03,052 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_e29b980c-5620-464a-9741-42a597bd7132/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7a786ae073e026dbbd21689328725a476f652df15b702977675df9b5c10f237 [2023-12-02 23:47:03,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:47:03,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:47:03,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:47:03,380 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:47:03,380 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:47:03,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/tanh_7_safe.c-amalgamation.i [2023-12-02 23:47:06,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:47:06,403 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:47:06,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/sv-benchmarks/c/neural-networks/tanh_7_safe.c-amalgamation.i [2023-12-02 23:47:06,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/data/c4ce802df/a2c9ab5e39fd44898075740ac161db49/FLAG49ded7b1f [2023-12-02 23:47:06,439 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/data/c4ce802df/a2c9ab5e39fd44898075740ac161db49 [2023-12-02 23:47:06,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:47:06,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:47:06,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:47:06,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:47:06,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:47:06,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:47:06" (1/1) ... [2023-12-02 23:47:06,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c65f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:06, skipping insertion in model container [2023-12-02 23:47:06,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:47:06" (1/1) ... [2023-12-02 23:47:06,508 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:47:07,319 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_e29b980c-5620-464a-9741-42a597bd7132/sv-benchmarks/c/neural-networks/tanh_7_safe.c-amalgamation.i[63008,63021] [2023-12-02 23:47:07,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:47:07,338 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:47:07,403 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_e29b980c-5620-464a-9741-42a597bd7132/sv-benchmarks/c/neural-networks/tanh_7_safe.c-amalgamation.i[63008,63021] [2023-12-02 23:47:07,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:47:07,540 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:47:07,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:07 WrapperNode [2023-12-02 23:47:07,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:47:07,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:47:07,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:47:07,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:47:07,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:07" (1/1) ... [2023-12-02 23:47:07,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:07" (1/1) ... [2023-12-02 23:47:07,590 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2023-12-02 23:47:07,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:47:07,591 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:47:07,591 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:47:07,591 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:47:07,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:07" (1/1) ... [2023-12-02 23:47:07,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:07" (1/1) ... [2023-12-02 23:47:07,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:07" (1/1) ... [2023-12-02 23:47:07,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:07" (1/1) ... [2023-12-02 23:47:07,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:07" (1/1) ... [2023-12-02 23:47:07,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:07" (1/1) ... [2023-12-02 23:47:07,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:07" (1/1) ... [2023-12-02 23:47:07,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:07" (1/1) ... [2023-12-02 23:47:07,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:47:07,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:47:07,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:47:07,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:47:07,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:47:07" (1/1) ... [2023-12-02 23:47:07,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:47:07,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:47:07,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:47:07,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:47:07,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:47:07,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:47:07,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:47:07,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:47:07,757 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:47:07,759 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:47:07,844 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:47:07,897 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:47:07,897 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:47:07,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:47:07 BoogieIcfgContainer [2023-12-02 23:47:07,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:47:07,900 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:47:07,901 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:47:07,910 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:47:07,911 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:47:07" (1/1) ... [2023-12-02 23:47:07,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:47:07,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:07,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-02 23:47:07,976 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-02 23:47:07,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:47:07,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:07,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:07,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:08,005 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:08,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29b980c-5620-464a-9741-42a597bd7132/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:47:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:47:08,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:47:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat