./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/exp_3_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_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/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_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/exp_3_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/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_711a0544-f55f-47b0-80f8-7a07aace8e26/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 1dd37f77a4dffee86b91224c7c955520c92cbe7ede1508833f89e1827406961d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:43:12,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:43:12,815 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:43:12,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:43:12,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:43:12,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:43:12,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:43:12,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:43:12,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:43:12,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:43:12,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:43:12,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:43:12,845 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:43:12,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:43:12,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:43:12,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:43:12,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:43:12,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:43:12,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:43:12,848 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:43:12,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:43:12,850 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:43:12,850 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:43:12,850 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:43:12,851 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:43:12,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:43:12,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:43:12,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:43:12,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:43:12,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:43:12,854 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:43:12,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:43:12,855 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:43:12,855 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_711a0544-f55f-47b0-80f8-7a07aace8e26/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dd37f77a4dffee86b91224c7c955520c92cbe7ede1508833f89e1827406961d [2023-12-02 21:43:13,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:43:13,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:43:13,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:43:13,092 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:43:13,092 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:43:13,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/exp_3_safe.c-amalgamation.i [2023-12-02 21:43:15,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:43:16,123 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:43:16,124 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/sv-benchmarks/c/neural-networks/exp_3_safe.c-amalgamation.i [2023-12-02 21:43:16,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/data/b6963cafe/1c5cb9cf73a04e4d87e9aefeab65736a/FLAGa592b61e5 [2023-12-02 21:43:16,158 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/data/b6963cafe/1c5cb9cf73a04e4d87e9aefeab65736a [2023-12-02 21:43:16,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:43:16,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:43:16,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:43:16,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:43:16,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:43:16,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:43:16" (1/1) ... [2023-12-02 21:43:16,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4a0c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:16, skipping insertion in model container [2023-12-02 21:43:16,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:43:16" (1/1) ... [2023-12-02 21:43:16,226 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:43:16,805 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-12-02 21:43:16,806 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-12-02 21:43:16,807 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_711a0544-f55f-47b0-80f8-7a07aace8e26/sv-benchmarks/c/neural-networks/exp_3_safe.c-amalgamation.i[63145,63158] [2023-12-02 21:43:16,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:43:16,817 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:43:16,858 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-12-02 21:43:16,859 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-12-02 21:43:16,860 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_711a0544-f55f-47b0-80f8-7a07aace8e26/sv-benchmarks/c/neural-networks/exp_3_safe.c-amalgamation.i[63145,63158] [2023-12-02 21:43:16,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:43:17,034 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:43:17,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:17 WrapperNode [2023-12-02 21:43:17,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:43:17,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:43:17,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:43:17,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:43:17,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:17" (1/1) ... [2023-12-02 21:43:17,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:17" (1/1) ... [2023-12-02 21:43:17,085 INFO L138 Inliner]: procedures = 557, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2023-12-02 21:43:17,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:43:17,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:43:17,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:43:17,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:43:17,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:17" (1/1) ... [2023-12-02 21:43:17,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:17" (1/1) ... [2023-12-02 21:43:17,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:17" (1/1) ... [2023-12-02 21:43:17,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:17" (1/1) ... [2023-12-02 21:43:17,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:17" (1/1) ... [2023-12-02 21:43:17,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:17" (1/1) ... [2023-12-02 21:43:17,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:17" (1/1) ... [2023-12-02 21:43:17,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:17" (1/1) ... [2023-12-02 21:43:17,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:43:17,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:43:17,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:43:17,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:43:17,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:17" (1/1) ... [2023-12-02 21:43:17,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:43:17,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:43:17,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:43:17,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:43:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:43:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:43:17,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:43:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:43:17,277 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:43:17,280 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:43:17,345 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:43:17,387 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:43:17,388 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:43:17,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:43:17 BoogieIcfgContainer [2023-12-02 21:43:17,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:43:17,391 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:43:17,391 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:43:17,402 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:43:17,402 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:43:17" (1/1) ... [2023-12-02 21:43:17,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:43:17,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:17,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-02 21:43:17,469 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-02 21:43:17,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:43:17,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:17,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:43:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:43:17,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:43:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:43:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:43:17,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:43:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:43:17,632 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:43:17,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:43:17 ImpRootNode [2023-12-02 21:43:17,650 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:43:17,651 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:43:17,651 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:43:17,651 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:43:17,651 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:43:17" (3/4) ... [2023-12-02 21:43:17,653 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:43:17,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:43:17,656 INFO L158 Benchmark]: Toolchain (without parser) took 1493.03ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 96.7MB in the beginning and 104.1MB in the end (delta: -7.4MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-12-02 21:43:17,656 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 136.3MB. Free memory was 110.3MB in the beginning and 110.3MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:43:17,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.61ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 96.7MB in the beginning and 131.4MB in the end (delta: -34.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2023-12-02 21:43:17,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.87ms. Allocated memory is still 169.9MB. Free memory was 130.3MB in the beginning and 128.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:43:17,658 INFO L158 Benchmark]: Boogie Preprocessor took 22.42ms. Allocated memory is still 169.9MB. Free memory was 128.2MB in the beginning and 127.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:43:17,659 INFO L158 Benchmark]: RCFGBuilder took 280.63ms. Allocated memory is still 169.9MB. Free memory was 127.2MB in the beginning and 115.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:43:17,659 INFO L158 Benchmark]: CodeCheck took 259.13ms. Allocated memory is still 169.9MB. Free memory was 115.7MB in the beginning and 104.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:43:17,660 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 169.9MB. Free memory was 104.1MB in the beginning and 104.1MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:43:17,663 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: 853]: 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 853, overapproximation of someBinaryArithmeticFLOAToperation at line 849. Possible FailurePath: [L847] float x1 = __VERIFIER_nondet_float(); [L848] COND FALSE !(!(__builtin_isgreaterequal(x1, -88.0f) && __builtin_islessequal(x1, 88.0f))) [L849] float x2 = x1 + 1e-2f; [L850] float y1 = expf(x1); [L851] float y2 = expf(x2); [L852] float derivative = (y2 - y1) / 1e-2f; [L853] COND TRUE !(__builtin_isgreaterequal(derivative, y1)) [L853] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 136.3MB. Free memory was 110.3MB in the beginning and 110.3MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 871.61ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 96.7MB in the beginning and 131.4MB in the end (delta: -34.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.87ms. Allocated memory is still 169.9MB. Free memory was 130.3MB in the beginning and 128.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.42ms. Allocated memory is still 169.9MB. Free memory was 128.2MB in the beginning and 127.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 280.63ms. Allocated memory is still 169.9MB. Free memory was 127.2MB in the beginning and 115.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 259.13ms. Allocated memory is still 169.9MB. Free memory was 115.7MB in the beginning and 104.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 169.9MB. Free memory was 104.1MB in the beginning and 104.1MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:43:17,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/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_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/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_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/exp_3_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/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_711a0544-f55f-47b0-80f8-7a07aace8e26/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 1dd37f77a4dffee86b91224c7c955520c92cbe7ede1508833f89e1827406961d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:43:19,630 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:43:19,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:43:19,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:43:19,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:43:19,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:43:19,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:43:19,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:43:19,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:43:19,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:43:19,740 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:43:19,741 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:43:19,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:43:19,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:43:19,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:43:19,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:43:19,744 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:43:19,744 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:43:19,745 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:43:19,745 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:43:19,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:43:19,747 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:43:19,748 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:43:19,748 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:43:19,749 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:43:19,749 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:19,750 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:43:19,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:43:19,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:43:19,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:43:19,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:43:19,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:43:19,753 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:43:19,753 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:19,753 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:43:19,753 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:43:19,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:43:19,754 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_711a0544-f55f-47b0-80f8-7a07aace8e26/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dd37f77a4dffee86b91224c7c955520c92cbe7ede1508833f89e1827406961d [2023-12-02 21:43:20,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:43:20,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:43:20,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:43:20,057 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:43:20,057 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:43:20,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/exp_3_safe.c-amalgamation.i [2023-12-02 21:43:22,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:43:23,133 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:43:23,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/sv-benchmarks/c/neural-networks/exp_3_safe.c-amalgamation.i [2023-12-02 21:43:23,156 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/data/702bf61ce/3826dd8f21354d5b81bc2d0ef5848cf2/FLAG03427f3fa [2023-12-02 21:43:23,172 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/data/702bf61ce/3826dd8f21354d5b81bc2d0ef5848cf2 [2023-12-02 21:43:23,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:43:23,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:43:23,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:43:23,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:43:23,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:43:23,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:43:23" (1/1) ... [2023-12-02 21:43:23,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7ec83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:23, skipping insertion in model container [2023-12-02 21:43:23,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:43:23" (1/1) ... [2023-12-02 21:43:23,256 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:43:23,849 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-12-02 21:43:23,850 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-12-02 21:43:23,851 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_711a0544-f55f-47b0-80f8-7a07aace8e26/sv-benchmarks/c/neural-networks/exp_3_safe.c-amalgamation.i[63145,63158] [2023-12-02 21:43:23,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:43:23,868 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:43:23,917 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-12-02 21:43:23,918 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-12-02 21:43:23,918 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_711a0544-f55f-47b0-80f8-7a07aace8e26/sv-benchmarks/c/neural-networks/exp_3_safe.c-amalgamation.i[63145,63158] [2023-12-02 21:43:23,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:43:24,050 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:43:24,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:24 WrapperNode [2023-12-02 21:43:24,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:43:24,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:43:24,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:43:24,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:43:24,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:24" (1/1) ... [2023-12-02 21:43:24,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:24" (1/1) ... [2023-12-02 21:43:24,104 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2023-12-02 21:43:24,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:43:24,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:43:24,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:43:24,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:43:24,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:24" (1/1) ... [2023-12-02 21:43:24,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:24" (1/1) ... [2023-12-02 21:43:24,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:24" (1/1) ... [2023-12-02 21:43:24,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:24" (1/1) ... [2023-12-02 21:43:24,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:24" (1/1) ... [2023-12-02 21:43:24,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:24" (1/1) ... [2023-12-02 21:43:24,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:24" (1/1) ... [2023-12-02 21:43:24,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:24" (1/1) ... [2023-12-02 21:43:24,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:43:24,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:43:24,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:43:24,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:43:24,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:43:24" (1/1) ... [2023-12-02 21:43:24,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:43:24,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:43:24,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:43:24,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:43:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:43:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:43:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:43:24,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:43:24,299 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:43:24,301 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:43:25,361 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:43:25,413 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:43:25,414 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:43:25,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:43:25 BoogieIcfgContainer [2023-12-02 21:43:25,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:43:25,417 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:43:25,417 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:43:25,428 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:43:25,428 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:43:25" (1/1) ... [2023-12-02 21:43:25,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:43:25,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:25,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-02 21:43:25,500 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-02 21:43:25,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:43:25,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:25,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:25,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:25,503 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:25,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_711a0544-f55f-47b0-80f8-7a07aace8e26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:43:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:43:25,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:43:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat