./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/elu_1_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/elu_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC --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 2114ae901393534af44f5b31c16e7789708d1b419fee4ca0c3c1430ddaab029e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:23:46,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:23:46,866 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-23 20:23:46,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:23:46,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:23:46,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:23:46,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:23:46,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:23:46,933 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:23:46,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:23:46,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:23:46,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:23:46,942 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:23:46,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:23:46,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:23:46,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:23:46,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:23:46,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:23:46,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:23:46,948 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:23:46,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:23:46,949 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:23:46,951 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:23:46,951 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:23:46,952 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:23:46,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:23:46,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:23:46,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:23:46,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:23:46,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:23:46,957 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:23:46,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:23:46,958 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:23:46,958 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_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2114ae901393534af44f5b31c16e7789708d1b419fee4ca0c3c1430ddaab029e [2023-11-23 20:23:47,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:23:47,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:23:47,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:23:47,386 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:23:47,386 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:23:47,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/neural-networks/elu_1_safe.c-amalgamation.i [2023-11-23 20:23:51,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:23:51,553 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:23:51,554 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/sv-benchmarks/c/neural-networks/elu_1_safe.c-amalgamation.i [2023-11-23 20:23:51,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/data/4c9f44fc5/1dbd44cf0b254d49a1020d4cdd1e62af/FLAG660164307 [2023-11-23 20:23:51,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/data/4c9f44fc5/1dbd44cf0b254d49a1020d4cdd1e62af [2023-11-23 20:23:51,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:23:51,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:23:51,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:23:51,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:23:51,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:23:51,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:51" (1/1) ... [2023-11-23 20:23:51,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c6e79f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:51, skipping insertion in model container [2023-11-23 20:23:51,629 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:51" (1/1) ... [2023-11-23 20:23:51,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:23:51,947 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:23:52,624 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-23 20:23:52,626 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_63f30dbd-3720-424f-8e76-cb6d03af9c5f/sv-benchmarks/c/neural-networks/elu_1_safe.c-amalgamation.i[63070,63083] [2023-11-23 20:23:52,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:23:52,643 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:23:52,666 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:23:52,693 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-23 20:23:52,695 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_63f30dbd-3720-424f-8e76-cb6d03af9c5f/sv-benchmarks/c/neural-networks/elu_1_safe.c-amalgamation.i[63070,63083] [2023-11-23 20:23:52,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:23:52,920 WARN L675 CHandler]: The function __builtin_isnan is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:23:52,921 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:23:52,929 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:23:52,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:52 WrapperNode [2023-11-23 20:23:52,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:23:52,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:23:52,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:23:52,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:23:52,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:52" (1/1) ... [2023-11-23 20:23:52,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:52" (1/1) ... [2023-11-23 20:23:52,989 INFO L138 Inliner]: procedures = 560, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2023-11-23 20:23:52,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:23:52,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:23:52,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:23:52,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:23:52,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:52" (1/1) ... [2023-11-23 20:23:53,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:52" (1/1) ... [2023-11-23 20:23:53,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:52" (1/1) ... [2023-11-23 20:23:53,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:52" (1/1) ... [2023-11-23 20:23:53,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:52" (1/1) ... [2023-11-23 20:23:53,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:52" (1/1) ... [2023-11-23 20:23:53,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:52" (1/1) ... [2023-11-23 20:23:53,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:52" (1/1) ... [2023-11-23 20:23:53,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:23:53,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:23:53,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:23:53,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:23:53,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:52" (1/1) ... [2023-11-23 20:23:53,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:23:53,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:23:53,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:23:53,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:23:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:23:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:23:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:23:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_isnan [2023-11-23 20:23:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:23:53,261 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:23:53,264 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:23:53,414 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:23:53,498 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:23:53,499 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:23:53,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:53 BoogieIcfgContainer [2023-11-23 20:23:53,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:23:53,501 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:23:53,502 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:23:53,512 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:23:53,513 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:53" (1/1) ... [2023-11-23 20:23:53,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:23:53,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:53,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-23 20:23:53,596 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-23 20:23:53,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:23:53,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:53,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:23:53,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:23:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:23:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:23:53,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:23:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:23:53,799 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:23:53,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:23:53 ImpRootNode [2023-11-23 20:23:53,821 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:23:53,821 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:23:53,821 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:23:53,822 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:23:53,822 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:53" (3/4) ... [2023-11-23 20:23:53,825 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:23:53,826 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:23:53,827 INFO L158 Benchmark]: Toolchain (without parser) took 2211.58ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 107.4MB in the beginning and 113.6MB in the end (delta: -6.3MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2023-11-23 20:23:53,828 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 155.2MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:23:53,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1311.36ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 107.0MB in the beginning and 141.8MB in the end (delta: -34.8MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2023-11-23 20:23:53,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.38ms. Allocated memory is still 195.0MB. Free memory was 141.8MB in the beginning and 139.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:23:53,830 INFO L158 Benchmark]: Boogie Preprocessor took 29.35ms. Allocated memory is still 195.0MB. Free memory was 139.7MB in the beginning and 138.8MB in the end (delta: 951.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:23:53,831 INFO L158 Benchmark]: RCFGBuilder took 480.40ms. Allocated memory is still 195.0MB. Free memory was 138.6MB in the beginning and 125.1MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:23:53,832 INFO L158 Benchmark]: CodeCheck took 319.34ms. Allocated memory is still 195.0MB. Free memory was 125.1MB in the beginning and 113.6MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:23:53,832 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 195.0MB. Free memory is still 113.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:23:53,836 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: 0.3s, 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: 857]: 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 857. Possible FailurePath: [L854] float x = __VERIFIER_nondet_float(); [L855] COND FALSE !(!(!__builtin_isnan (x))) [L856] CALL, EXPR elu(x) [L847] COND TRUE x >= 0.0f [L848] return x; [L856] RET, EXPR elu(x) [L856] float y = elu(x); [L857] COND TRUE !(__builtin_isgreaterequal(y, x)) VAL [x=2, y=2] [L857] reach_error() VAL [x=2, y=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 155.2MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1311.36ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 107.0MB in the beginning and 141.8MB in the end (delta: -34.8MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.38ms. Allocated memory is still 195.0MB. Free memory was 141.8MB in the beginning and 139.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.35ms. Allocated memory is still 195.0MB. Free memory was 139.7MB in the beginning and 138.8MB in the end (delta: 951.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 480.40ms. Allocated memory is still 195.0MB. Free memory was 138.6MB in the beginning and 125.1MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 319.34ms. Allocated memory is still 195.0MB. Free memory was 125.1MB in the beginning and 113.6MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 195.0MB. Free memory is still 113.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:23:53,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/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_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/elu_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC --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 2114ae901393534af44f5b31c16e7789708d1b419fee4ca0c3c1430ddaab029e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:23:56,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:23:56,621 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-23 20:23:56,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:23:56,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:23:56,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:23:56,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:23:56,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:23:56,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:23:56,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:23:56,686 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:23:56,686 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:23:56,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:23:56,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:23:56,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:23:56,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:23:56,690 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:23:56,690 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:23:56,691 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:23:56,691 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:23:56,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:23:56,692 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:23:56,693 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:23:56,693 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:23:56,694 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:23:56,694 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:23:56,695 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:23:56,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:23:56,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:23:56,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:23:56,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:23:56,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:23:56,698 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:23:56,699 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:23:56,699 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:23:56,699 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:23:56,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:23:56,700 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_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2114ae901393534af44f5b31c16e7789708d1b419fee4ca0c3c1430ddaab029e [2023-11-23 20:23:57,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:23:57,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:23:57,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:23:57,164 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:23:57,165 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:23:57,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/neural-networks/elu_1_safe.c-amalgamation.i [2023-11-23 20:24:00,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:24:00,789 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:24:00,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/sv-benchmarks/c/neural-networks/elu_1_safe.c-amalgamation.i [2023-11-23 20:24:00,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/data/1d506bed4/b5db4ad9896e4573a5c237d0b31b8e79/FLAG3dd3e958e [2023-11-23 20:24:00,842 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/data/1d506bed4/b5db4ad9896e4573a5c237d0b31b8e79 [2023-11-23 20:24:00,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:24:00,850 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:24:00,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:00,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:24:00,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:24:00,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:00" (1/1) ... [2023-11-23 20:24:00,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e585fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:00, skipping insertion in model container [2023-11-23 20:24:00,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:00" (1/1) ... [2023-11-23 20:24:00,944 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:24:01,198 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:24:01,934 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-23 20:24:01,936 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_63f30dbd-3720-424f-8e76-cb6d03af9c5f/sv-benchmarks/c/neural-networks/elu_1_safe.c-amalgamation.i[63070,63083] [2023-11-23 20:24:01,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:01,957 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:24:01,992 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:24:02,023 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-23 20:24:02,025 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_63f30dbd-3720-424f-8e76-cb6d03af9c5f/sv-benchmarks/c/neural-networks/elu_1_safe.c-amalgamation.i[63070,63083] [2023-11-23 20:24:02,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:02,262 WARN L675 CHandler]: The function __builtin_isnan is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:02,262 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:24:02,270 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:24:02,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02 WrapperNode [2023-11-23 20:24:02,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:02,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:02,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:24:02,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:24:02,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,350 INFO L138 Inliner]: procedures = 561, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2023-11-23 20:24:02,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:02,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:24:02,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:24:02,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:24:02,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:24:02,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:24:02,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:24:02,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:24:02,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:02,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:24:02,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:24:02,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:24:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:24:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:24:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:24:02,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:24:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_isnan [2023-11-23 20:24:02,625 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:24:02,628 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:24:02,788 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:24:02,904 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:24:02,905 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:24:02,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:02 BoogieIcfgContainer [2023-11-23 20:24:02,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:24:02,908 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:24:02,909 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:24:02,919 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:24:02,919 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:02" (1/1) ... [2023-11-23 20:24:02,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:24:02,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:02,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-23 20:24:03,000 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-23 20:24:03,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:24:03,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:03,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:24:03,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:24:03,007 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:24:03,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63f30dbd-3720-424f-8e76-cb6d03af9c5f/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:24:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:24:03,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:24:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat