./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/dubinsrejoin_9_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_4e7543fe-6e78-4752-941e-715a7aa0a603/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7543fe-6e78-4752-941e-715a7aa0a603/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_4e7543fe-6e78-4752-941e-715a7aa0a603/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7543fe-6e78-4752-941e-715a7aa0a603/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/dubinsrejoin_9_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7543fe-6e78-4752-941e-715a7aa0a603/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_4e7543fe-6e78-4752-941e-715a7aa0a603/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 e91150c06f83a62abe54e70dbf6b0e819b2427ef8db25408b60b750749548844 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:50:11,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:50:11,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7543fe-6e78-4752-941e-715a7aa0a603/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:50:11,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:50:11,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:50:11,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:50:11,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:50:11,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:50:11,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:50:11,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:50:11,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:50:11,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:50:11,704 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:50:11,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:50:11,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:50:11,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:50:11,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:50:11,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:50:11,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:50:11,708 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:50:11,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:50:11,712 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:50:11,713 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:50:11,713 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:50:11,714 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:50:11,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:50:11,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:50:11,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:50:11,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:50:11,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:50:11,716 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:50:11,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:50:11,716 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:50:11,717 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_4e7543fe-6e78-4752-941e-715a7aa0a603/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7543fe-6e78-4752-941e-715a7aa0a603/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91150c06f83a62abe54e70dbf6b0e819b2427ef8db25408b60b750749548844 [2023-12-02 21:50:11,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:50:11,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:50:11,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:50:11,968 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:50:11,968 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:50:11,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7543fe-6e78-4752-941e-715a7aa0a603/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/dubinsrejoin_9_safe.c-amalgamation.i [2023-12-02 21:50:14,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:50:15,296 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:50:15,297 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7543fe-6e78-4752-941e-715a7aa0a603/sv-benchmarks/c/neural-networks/dubinsrejoin_9_safe.c-amalgamation.i [2023-12-02 21:50:15,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7543fe-6e78-4752-941e-715a7aa0a603/bin/ukojak-verify-Qdu7aM0XO9/data/507cd428d/fbca445cdab346c0975ec37ece9ea5e7/FLAG0c486bfd5 [2023-12-02 21:50:15,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7543fe-6e78-4752-941e-715a7aa0a603/bin/ukojak-verify-Qdu7aM0XO9/data/507cd428d/fbca445cdab346c0975ec37ece9ea5e7 [2023-12-02 21:50:15,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:50:15,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:50:15,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:50:15,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:50:15,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:50:15,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:50:15" (1/1) ... [2023-12-02 21:50:15,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fcd6190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:15, skipping insertion in model container [2023-12-02 21:50:15,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:50:15" (1/1) ... [2023-12-02 21:50:15,590 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:50:17,830 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_4e7543fe-6e78-4752-941e-715a7aa0a603/sv-benchmarks/c/neural-networks/dubinsrejoin_9_safe.c-amalgamation.i[64742,64755] [2023-12-02 21:50:18,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:50:19,956 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:50:20,011 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_4e7543fe-6e78-4752-941e-715a7aa0a603/sv-benchmarks/c/neural-networks/dubinsrejoin_9_safe.c-amalgamation.i[64742,64755] [2023-12-02 21:50:20,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:50:21,969 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:50:21,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:21 WrapperNode [2023-12-02 21:50:21,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:50:21,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:50:21,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:50:21,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:50:21,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:21" (1/1) ... [2023-12-02 21:50:22,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:21" (1/1) ... [2023-12-02 21:50:24,418 INFO L138 Inliner]: procedures = 622, calls = 70766, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 71145 [2023-12-02 21:50:24,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:50:24,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:50:24,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:50:24,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:50:24,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:21" (1/1) ... [2023-12-02 21:50:24,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:21" (1/1) ... [2023-12-02 21:50:24,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:21" (1/1) ... [2023-12-02 21:50:24,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:21" (1/1) ... [2023-12-02 21:50:25,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:21" (1/1) ... [2023-12-02 21:50:25,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:21" (1/1) ... [2023-12-02 21:50:25,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:21" (1/1) ... [2023-12-02 21:50:25,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:21" (1/1) ... [2023-12-02 21:50:26,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:50:26,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:50:26,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:50:26,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:50:26,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:21" (1/1) ... [2023-12-02 21:50:26,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:50:26,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7543fe-6e78-4752-941e-715a7aa0a603/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:50:26,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7543fe-6e78-4752-941e-715a7aa0a603/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:50:26,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7543fe-6e78-4752-941e-715a7aa0a603/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:50:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 21:50:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:50:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 21:50:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 21:50:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:50:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:50:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:50:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:50:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:50:26,474 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:50:26,476 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation