./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/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_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/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 64bit --witnessprinter.graph.data.programhash caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:23:28,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:23:28,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 21:23:28,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:23:28,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:23:29,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:23:29,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:23:29,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:23:29,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:23:29,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:23:29,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:23:29,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:23:29,018 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:23:29,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:23:29,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:23:29,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:23:29,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:23:29,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:23:29,021 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:23:29,022 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:23:29,022 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:23:29,023 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:23:29,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:23:29,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:23:29,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:23:29,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:23:29,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:23:29,026 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:23:29,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:23:29,026 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:23:29,027 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_55fbfbbf-a10e-4e86-9822-44c01f548dea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a [2023-12-02 21:23:29,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:23:29,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:23:29,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:23:29,291 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:23:29,292 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:23:29,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c [2023-12-02 21:23:32,081 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:23:32,286 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:23:32,287 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c [2023-12-02 21:23:32,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/data/72aa04846/87158ac855ff45a99230d7f6d2c303fa/FLAGaa6a318f5 [2023-12-02 21:23:32,313 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/data/72aa04846/87158ac855ff45a99230d7f6d2c303fa [2023-12-02 21:23:32,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:23:32,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:23:32,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:23:32,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:23:32,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:23:32,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:23:32" (1/1) ... [2023-12-02 21:23:32,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e1ee39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:32, skipping insertion in model container [2023-12-02 21:23:32,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:23:32" (1/1) ... [2023-12-02 21:23:32,369 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:23:32,550 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_55fbfbbf-a10e-4e86-9822-44c01f548dea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262] [2023-12-02 21:23:32,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:23:32,643 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:23:32,656 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_55fbfbbf-a10e-4e86-9822-44c01f548dea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262] [2023-12-02 21:23:32,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:23:32,717 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:23:32,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:32 WrapperNode [2023-12-02 21:23:32,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:23:32,719 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:23:32,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:23:32,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:23:32,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:32" (1/1) ... [2023-12-02 21:23:32,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:32" (1/1) ... [2023-12-02 21:23:32,799 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 462 [2023-12-02 21:23:32,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:23:32,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:23:32,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:23:32,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:23:32,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:32" (1/1) ... [2023-12-02 21:23:32,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:32" (1/1) ... [2023-12-02 21:23:32,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:32" (1/1) ... [2023-12-02 21:23:32,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:32" (1/1) ... [2023-12-02 21:23:32,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:32" (1/1) ... [2023-12-02 21:23:32,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:32" (1/1) ... [2023-12-02 21:23:32,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:32" (1/1) ... [2023-12-02 21:23:32,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:32" (1/1) ... [2023-12-02 21:23:32,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:23:32,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:23:32,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:23:32,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:23:32,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:32" (1/1) ... [2023-12-02 21:23:32,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:23:32,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:23:32,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:23:32,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:23:32,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:23:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:23:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:23:32,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:23:33,053 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:23:33,055 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:23:33,562 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:23:33,956 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:23:33,957 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:23:33,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:23:33 BoogieIcfgContainer [2023-12-02 21:23:33,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:23:33,960 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:23:33,960 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:23:33,968 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:23:33,968 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:23:33" (1/1) ... [2023-12-02 21:23:33,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:23:34,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:34,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:23:34,023 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:23:34,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:23:34,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:34,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:23:34,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:23:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:23:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:23:34,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:23:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:23:34,647 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:23:34,675 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-02 21:23:34,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:23:34 ImpRootNode [2023-12-02 21:23:34,682 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:23:34,682 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:23:34,683 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:23:34,683 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:23:34,683 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:23:33" (3/4) ... [2023-12-02 21:23:34,685 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:23:34,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:23:34,688 INFO L158 Benchmark]: Toolchain (without parser) took 2369.86ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 100.0MB in the beginning and 76.2MB in the end (delta: 23.8MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2023-12-02 21:23:34,688 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 102.8MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:23:34,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.44ms. Allocated memory is still 144.7MB. Free memory was 99.0MB in the beginning and 104.3MB in the end (delta: -5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:23:34,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.25ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 94.7MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:23:34,690 INFO L158 Benchmark]: Boogie Preprocessor took 71.70ms. Allocated memory is still 144.7MB. Free memory was 94.7MB in the beginning and 91.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:23:34,691 INFO L158 Benchmark]: RCFGBuilder took 1086.17ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 91.7MB in the beginning and 121.3MB in the end (delta: -29.6MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2023-12-02 21:23:34,692 INFO L158 Benchmark]: CodeCheck took 722.14ms. Allocated memory is still 174.1MB. Free memory was 121.3MB in the beginning and 77.2MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-02 21:23:34,692 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 174.1MB. Free memory was 77.2MB in the beginning and 76.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:23:34,696 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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: 21]: 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 bitwiseAnd at line 88. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_10 = 0; [L33] const SORT_5 var_18 = 1; [L34] const SORT_5 var_28 = 0; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_5 input_6; [L40] SORT_5 input_7; [L41] SORT_5 input_8; [L42] SORT_5 input_9; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L44] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L45] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L46] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L47] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L48] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L49] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L50] SORT_5 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L51] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L52] SORT_5 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L53] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L54] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L55] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_12_arg_1 = var_10; [L58] state_11 = init_12_arg_1 [L59] SORT_1 init_14_arg_1 = var_10; [L60] state_13 = init_14_arg_1 [L61] SORT_1 init_23_arg_1 = var_10; [L62] state_22 = init_23_arg_1 [L63] SORT_1 init_25_arg_1 = var_10; [L64] state_24 = init_25_arg_1 [L65] SORT_1 init_27_arg_1 = var_10; [L66] state_26 = init_27_arg_1 [L67] SORT_5 init_30_arg_1 = var_28; [L68] state_29 = init_30_arg_1 [L69] SORT_5 init_32_arg_1 = var_28; [L70] state_31 = init_32_arg_1 [L71] SORT_1 init_34_arg_1 = var_10; [L72] state_33 = init_34_arg_1 [L73] SORT_5 init_36_arg_1 = var_28; [L74] state_35 = init_36_arg_1 [L75] SORT_1 init_38_arg_1 = var_10; [L76] state_37 = init_38_arg_1 [L77] SORT_1 init_41_arg_1 = var_10; [L78] state_40 = init_41_arg_1 [L79] SORT_1 init_43_arg_1 = var_10; [L80] state_42 = init_43_arg_1 VAL [init_12_arg_1=0, init_14_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] EXPR input_7 & mask_SORT_5 [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] EXPR input_8 & mask_SORT_5 [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] EXPR input_9 & mask_SORT_5 [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] EXPR var_20_arg_0 & var_20_arg_1 [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] EXPR var_20 & mask_SORT_5 [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 102.8MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.44ms. Allocated memory is still 144.7MB. Free memory was 99.0MB in the beginning and 104.3MB in the end (delta: -5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.25ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 94.7MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.70ms. Allocated memory is still 144.7MB. Free memory was 94.7MB in the beginning and 91.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1086.17ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 91.7MB in the beginning and 121.3MB in the end (delta: -29.6MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. * CodeCheck took 722.14ms. Allocated memory is still 174.1MB. Free memory was 121.3MB in the beginning and 77.2MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 174.1MB. Free memory was 77.2MB in the beginning and 76.2MB in the end (delta: 1.0MB). 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 21:23:34,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/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_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/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 64bit --witnessprinter.graph.data.programhash caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:23:36,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:23:36,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 21:23:36,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:23:36,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:23:36,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:23:36,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:23:36,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:23:36,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:23:36,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:23:36,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:23:36,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:23:36,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:23:36,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:23:36,806 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:23:36,807 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:23:36,807 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:23:36,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:23:36,808 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:23:36,809 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:23:36,809 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:23:36,810 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:23:36,811 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:23:36,811 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:23:36,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:23:36,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:23:36,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:23:36,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:23:36,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:23:36,814 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:23:36,814 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:23:36,814 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:23:36,815 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:23:36,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:23:36,815 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_55fbfbbf-a10e-4e86-9822-44c01f548dea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caa84a091b99b66a1da3990b205ee8e8e4cfa2478d32b035bf8784a52ef5640a [2023-12-02 21:23:37,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:23:37,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:23:37,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:23:37,131 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:23:37,132 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:23:37,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c [2023-12-02 21:23:40,000 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:23:40,234 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:23:40,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c [2023-12-02 21:23:40,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/data/d73f11ff7/e15bf4a40c1343f8ad52b37fcfe881b8/FLAG690ef4fdb [2023-12-02 21:23:40,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/data/d73f11ff7/e15bf4a40c1343f8ad52b37fcfe881b8 [2023-12-02 21:23:40,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:23:40,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:23:40,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:23:40,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:23:40,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:23:40,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:23:40" (1/1) ... [2023-12-02 21:23:40,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415aece2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:40, skipping insertion in model container [2023-12-02 21:23:40,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:23:40" (1/1) ... [2023-12-02 21:23:40,303 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:23:40,451 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_55fbfbbf-a10e-4e86-9822-44c01f548dea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262] [2023-12-02 21:23:40,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:23:40,538 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:23:40,549 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_55fbfbbf-a10e-4e86-9822-44c01f548dea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v1.c[1249,1262] [2023-12-02 21:23:40,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:23:40,609 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:23:40,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:40 WrapperNode [2023-12-02 21:23:40,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:23:40,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:23:40,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:23:40,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:23:40,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:40" (1/1) ... [2023-12-02 21:23:40,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:40" (1/1) ... [2023-12-02 21:23:40,666 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 252 [2023-12-02 21:23:40,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:23:40,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:23:40,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:23:40,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:23:40,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:40" (1/1) ... [2023-12-02 21:23:40,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:40" (1/1) ... [2023-12-02 21:23:40,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:40" (1/1) ... [2023-12-02 21:23:40,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:40" (1/1) ... [2023-12-02 21:23:40,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:40" (1/1) ... [2023-12-02 21:23:40,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:40" (1/1) ... [2023-12-02 21:23:40,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:40" (1/1) ... [2023-12-02 21:23:40,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:40" (1/1) ... [2023-12-02 21:23:40,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:23:40,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:23:40,716 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:23:40,716 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:23:40,717 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:23:40" (1/1) ... [2023-12-02 21:23:40,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:23:40,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:23:40,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:23:40,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:23:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:23:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:23:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:23:40,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:23:40,946 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:23:40,948 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:23:41,209 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:23:41,252 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:23:41,252 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:23:41,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:23:41 BoogieIcfgContainer [2023-12-02 21:23:41,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:23:41,255 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:23:41,255 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:23:41,263 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:23:41,263 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:23:41" (1/1) ... [2023-12-02 21:23:41,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:23:41,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:41,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:23:41,323 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:23:41,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:23:41,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:41,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:23:41,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:23:41,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:23:41,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:23:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:41,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:23:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:41,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:23:41,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:41,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:41,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:23:41,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:41,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 21:23:41,783 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 21:23:41,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:23:41,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:41,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:23:41,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:23:41,785 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:23:41,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:23:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:41,990 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:23:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:42,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 21:23:42,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:42,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:42,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:23:42,445 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:23:42,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:42,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 11 states and 17 transitions. [2023-12-02 21:23:42,936 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. [2023-12-02 21:23:42,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:23:42,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:42,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:23:42,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:23:42,938 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:23:42,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:23:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:43,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:23:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:43,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 87 conjunts are in the unsatisfiable core [2023-12-02 21:23:43,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:44,176 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:44,179 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:23:44,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 21:23:45,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:45,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 14 states and 26 transitions. [2023-12-02 21:23:45,296 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 26 transitions. [2023-12-02 21:23:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:23:45,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:45,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:23:45,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:23:45,300 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:23:45,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 21:23:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:45,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:23:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:46,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 158 conjunts are in the unsatisfiable core [2023-12-02 21:23:46,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:01,342 WARN L293 SmtUtils]: Spent 10.38s on a formula simplification. DAG size of input: 136 DAG size of output: 86 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:24:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:01,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 21:24:11,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.10s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:24:18,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:24:22,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:22,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 23 states and 58 transitions. [2023-12-02 21:24:22,058 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 58 transitions. [2023-12-02 21:24:22,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:24:22,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:22,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:22,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:24:22,060 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:24:22,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 21:24:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:22,661 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:24:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:23,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 158 conjunts are in the unsatisfiable core [2023-12-02 21:24:23,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:27,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 21:24:27,527 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:24:42,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:24:49,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:24:58,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:24:58,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:58,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 27 states and 75 transitions. [2023-12-02 21:24:58,314 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 75 transitions. [2023-12-02 21:24:58,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:24:58,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:58,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:58,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:24:58,315 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:24:58,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 21:24:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:59,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:25:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:00,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 158 conjunts are in the unsatisfiable core [2023-12-02 21:25:00,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:04,167 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:25:04,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 21:25:15,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.52s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:25:19,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:25:19,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:19,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 10 states and 16 transitions. [2023-12-02 21:25:19,398 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 16 transitions. [2023-12-02 21:25:19,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 21:25:19,398 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-12-02 21:25:19,406 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 21:25:43,425 WARN L293 SmtUtils]: Spent 24.02s on a formula simplification. DAG size of input: 173 DAG size of output: 157 (called from [L 649] de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.computeHoareAnnotation) [2023-12-02 21:26:12,649 WARN L293 SmtUtils]: Spent 29.22s on a formula simplification. DAG size of input: 174 DAG size of output: 160 (called from [L 649] de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.computeHoareAnnotation) [2023-12-02 21:28:44,551 WARN L293 SmtUtils]: Spent 2.53m on a formula simplification. DAG size of input: 176 DAG size of output: 162 (called from [L 649] de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.computeHoareAnnotation) [2023-12-02 21:28:44,552 INFO L560 CodeCheckObserver]: Invariant with dag size 157 [2023-12-02 21:28:44,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_34 : bv8 :: ~zero_extend~32~8(~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_34))[7:0])[7:0] == ~state_31~0 && !(~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_34))[7:0] == 0bv8)) could not be translated [2023-12-02 21:28:44,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated [2023-12-02 21:28:44,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) could not be translated [2023-12-02 21:28:44,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_34 : bv8 :: ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_34))[7:0])[7:0]), 1bv32)[7:0] == ~state_29~0 && !(~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_34))[7:0] == 0bv8)) could not be translated [2023-12-02 21:28:44,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_34 : bv8 :: ~zero_extend~32~8(~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_34))[7:0])[7:0] == ~state_31~0 && !(~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_34))[7:0] == 0bv8)) could not be translated [2023-12-02 21:28:44,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated [2023-12-02 21:28:44,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated [2023-12-02 21:28:44,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_34 : bv8 :: ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_34))[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_35~0 && !(~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_34))[7:0] == 0bv8)) could not be translated [2023-12-02 21:28:44,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) could not be translated [2023-12-02 21:28:44,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated [2023-12-02 21:28:44,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:28:44 ImpRootNode [2023-12-02 21:28:44,568 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:28:44,568 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:28:44,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:28:44,569 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:28:44,569 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:23:41" (3/4) ... [2023-12-02 21:28:44,571 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 21:28:44,581 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-02 21:28:44,582 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 21:28:44,582 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 21:28:44,583 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:28:44,710 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:28:44,710 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 21:28:44,710 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:28:44,711 INFO L158 Benchmark]: Toolchain (without parser) took 304447.65ms. Allocated memory was 100.7MB in the beginning and 318.8MB in the end (delta: 218.1MB). Free memory was 76.7MB in the beginning and 135.7MB in the end (delta: -59.0MB). Peak memory consumption was 161.3MB. Max. memory is 16.1GB. [2023-12-02 21:28:44,711 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:28:44,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.41ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 60.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:28:44,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.01ms. Allocated memory is still 100.7MB. Free memory was 60.8MB in the beginning and 58.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:28:44,713 INFO L158 Benchmark]: Boogie Preprocessor took 47.48ms. Allocated memory is still 100.7MB. Free memory was 58.2MB in the beginning and 56.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:28:44,713 INFO L158 Benchmark]: RCFGBuilder took 538.00ms. Allocated memory is still 100.7MB. Free memory was 56.1MB in the beginning and 57.1MB in the end (delta: -958.7kB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2023-12-02 21:28:44,714 INFO L158 Benchmark]: CodeCheck took 303313.19ms. Allocated memory was 100.7MB in the beginning and 318.8MB in the end (delta: 218.1MB). Free memory was 57.1MB in the beginning and 142.0MB in the end (delta: -84.9MB). Peak memory consumption was 179.7MB. Max. memory is 16.1GB. [2023-12-02 21:28:44,714 INFO L158 Benchmark]: Witness Printer took 141.87ms. Allocated memory is still 318.8MB. Free memory was 142.0MB in the beginning and 135.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 21:28:44,716 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 98.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 140 SdHoareTripleChecker+Valid, 70.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 70.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 623 IncrementalHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 6 mSDtfsCounter, 623 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 889 GetRequests, 742 SyntacticMatches, 33 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5333 ImplicationChecksByTransitivity, 45.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 24.2s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 63 ConstructedInterpolants, 24 QuantifiedInterpolants, 4133 SizeOfPredicates, 598 NumberOfNonLiveVariables, 2349 ConjunctsInSsa, 618 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 13/90 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 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: (((((state_11 == state_13) && (var_10 == 0)) && (var_28 == 0)) && (1 == mask_SORT_5)) && (((1 + mask_SORT_1) % 256) == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.41ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 60.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.01ms. Allocated memory is still 100.7MB. Free memory was 60.8MB in the beginning and 58.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.48ms. Allocated memory is still 100.7MB. Free memory was 58.2MB in the beginning and 56.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 538.00ms. Allocated memory is still 100.7MB. Free memory was 56.1MB in the beginning and 57.1MB in the end (delta: -958.7kB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * CodeCheck took 303313.19ms. Allocated memory was 100.7MB in the beginning and 318.8MB in the end (delta: 218.1MB). Free memory was 57.1MB in the beginning and 142.0MB in the end (delta: -84.9MB). Peak memory consumption was 179.7MB. Max. memory is 16.1GB. * Witness Printer took 141.87ms. Allocated memory is still 318.8MB. Free memory was 142.0MB in the beginning and 135.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_34 : bv8 :: ~zero_extend~32~8(~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_34))[7:0])[7:0] == ~state_31~0 && !(~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_34))[7:0] == 0bv8)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1), ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_34 : bv8 :: ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_34))[7:0])[7:0]), 1bv32)[7:0] == ~state_29~0 && !(~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_34))[7:0] == 0bv8)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_34 : bv8 :: ~zero_extend~32~8(~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_34))[7:0])[7:0] == ~state_31~0 && !(~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_34))[7:0] == 0bv8)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: ((~state_26~0 == ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0] == ~state_40~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0] == ~state_24~0) && ~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0] == ~state_22~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet21#1_34 : bv8 :: ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_34))[7:0])[7:0])[7:0]), 1bv32)[7:0] == ~state_35~0 && !(~bvand~32(1bv32, ~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet21#1_34))[7:0] == 0bv8)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_63_arg_2~0#1 : bv8, ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_61_arg_2~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_33~0 && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] == ~state_42~0) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~bvneg~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_63_arg_2~0#1)[7:0])), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_61_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_37~0) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-02 21:28:44,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbfbbf-a10e-4e86-9822-44c01f548dea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE