./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b --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 54eceae7382bc15f3f6868c637e60b7eb166af5d1c4b040a6f157b03b87c995c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:55:21,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:55:21,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 21:55:21,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:55:21,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:55:21,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:55:21,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:55:21,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:55:21,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:55:21,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:55:21,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:55:21,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:55:21,641 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:55:21,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:55:21,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:55:21,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:55:21,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:55:21,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:55:21,642 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:55:21,642 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:55:21,642 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:55:21,642 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:55:21,642 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:55:21,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:55:21,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:55:21,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:55:21,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:55:21,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:55:21,643 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:55:21,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:55:21,643 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b 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 -> 54eceae7382bc15f3f6868c637e60b7eb166af5d1c4b040a6f157b03b87c995c [2024-12-05 21:55:21,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:55:21,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:55:21,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:55:21,903 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:55:21,903 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:55:21,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c [2024-12-05 21:55:25,240 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/data/1b46ce4cc/adfd0e7a31dc4903b496b35bcd0d61ea/FLAGd77c23fe6 [2024-12-05 21:55:25,516 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:55:25,517 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c [2024-12-05 21:55:25,525 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/data/1b46ce4cc/adfd0e7a31dc4903b496b35bcd0d61ea/FLAGd77c23fe6 [2024-12-05 21:55:25,542 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/data/1b46ce4cc/adfd0e7a31dc4903b496b35bcd0d61ea [2024-12-05 21:55:25,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:55:25,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:55:25,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:55:25,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:55:25,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:55:25,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:25" (1/1) ... [2024-12-05 21:55:25,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17149c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:25, skipping insertion in model container [2024-12-05 21:55:25,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:25" (1/1) ... [2024-12-05 21:55:25,576 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:55:25,754 WARN L250 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_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c[1263,1276] [2024-12-05 21:55:25,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:55:25,852 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:55:25,865 WARN L250 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_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c[1263,1276] [2024-12-05 21:55:25,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:55:25,935 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:55:25,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:25 WrapperNode [2024-12-05 21:55:25,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:55:25,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:55:25,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:55:25,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:55:25,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:25" (1/1) ... [2024-12-05 21:55:25,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:25" (1/1) ... [2024-12-05 21:55:26,008 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 277 [2024-12-05 21:55:26,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:55:26,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:55:26,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:55:26,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:55:26,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:25" (1/1) ... [2024-12-05 21:55:26,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:25" (1/1) ... [2024-12-05 21:55:26,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:25" (1/1) ... [2024-12-05 21:55:26,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:25" (1/1) ... [2024-12-05 21:55:26,039 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:25" (1/1) ... [2024-12-05 21:55:26,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:25" (1/1) ... [2024-12-05 21:55:26,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:25" (1/1) ... [2024-12-05 21:55:26,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:25" (1/1) ... [2024-12-05 21:55:26,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:25" (1/1) ... [2024-12-05 21:55:26,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:55:26,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:55:26,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:55:26,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:55:26,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:25" (1/1) ... [2024-12-05 21:55:26,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:55:26,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:55:26,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:55:26,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:55:26,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:55:26,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:55:26,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:55:26,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:55:26,245 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:55:26,247 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:55:26,767 INFO L? ?]: Removed 176 outVars from TransFormulas that were not future-live. [2024-12-05 21:55:26,767 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:55:27,102 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:55:27,102 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:55:27,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:27 BoogieIcfgContainer [2024-12-05 21:55:27,103 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:55:27,103 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:55:27,104 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:55:27,115 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:55:27,116 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:27" (1/1) ... [2024-12-05 21:55:27,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:55:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:27,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 21:55:27,184 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 21:55:27,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:55:27,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:27,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:55:27,376 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:55:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:55:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:55:27,535 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:55:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:55:27,621 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 21:55:27,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:55:27 ImpRootNode [2024-12-05 21:55:27,652 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:55:27,653 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:55:27,653 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:55:27,653 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:55:27,654 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:27" (3/4) ... [2024-12-05 21:55:27,657 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:55:27,658 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:55:27,659 INFO L158 Benchmark]: Toolchain (without parser) took 2113.13ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 68.8MB in the end (delta: 23.4MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-12-05 21:55:27,660 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:27,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.71ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 76.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:55:27,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.15ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 70.8MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:55:27,661 INFO L158 Benchmark]: Boogie Preprocessor took 55.63ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 68.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:27,662 INFO L158 Benchmark]: RCFGBuilder took 1036.96ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 37.7MB in the end (delta: 30.6MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2024-12-05 21:55:27,662 INFO L158 Benchmark]: CodeCheck took 548.81ms. Allocated memory is still 117.4MB. Free memory was 37.7MB in the beginning and 69.5MB in the end (delta: -31.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:27,663 INFO L158 Benchmark]: Witness Printer took 5.25ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 68.8MB in the end (delta: 750.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:27,665 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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, ConComCheckerStatistics: 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 54, overapproximation of bitwiseAnd at line 65. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 8); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (8 - 1); [L32] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 2); [L33] const SORT_16 msb_SORT_16 = (SORT_16)1 << (2 - 1); [L35] const SORT_44 mask_SORT_44 = (SORT_44)-1 >> (sizeof(SORT_44) * 8 - 32); [L36] const SORT_44 msb_SORT_44 = (SORT_44)1 << (32 - 1); [L38] const SORT_4 var_5 = 0; [L39] const SORT_4 var_8 = 255; [L40] const SORT_1 var_12 = 1; [L41] const SORT_16 var_17 = 0; [L42] const SORT_4 var_21 = 1; [L43] const SORT_4 var_23 = 63; [L44] const SORT_4 var_29 = 7; [L45] const SORT_16 var_35 = 2; [L46] const SORT_16 var_38 = 1; [L47] const SORT_44 var_45 = 0; [L48] const SORT_44 var_46 = 1; [L49] const SORT_44 var_52 = 2; [L51] SORT_1 input_2; [L52] SORT_1 input_3; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L54] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_16 [L55] SORT_16 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L57] SORT_4 init_7_arg_1 = var_5; [L58] state_6 = init_7_arg_1 [L59] SORT_16 init_19_arg_1 = var_17; [L60] state_18 = init_19_arg_1 VAL [mask_SORT_16=3, mask_SORT_1=1, mask_SORT_4=255, state_18=0, state_6=0, var_12=1, var_17=0, var_21=1, var_23=63, var_29=7, var_35=2, var_38=1, var_45=0, var_46=1, var_52=2, var_5=0, var_8=255] [L63] input_2 = __VERIFIER_nondet_uchar() [L64] input_3 = __VERIFIER_nondet_uchar() [L65] EXPR input_3 & mask_SORT_1 [L65] input_3 = input_3 & mask_SORT_1 [L68] SORT_4 var_9_arg_0 = state_6; [L69] SORT_4 var_9_arg_1 = var_8; [L70] SORT_1 var_9 = var_9_arg_0 != var_9_arg_1; [L71] SORT_1 var_13_arg_0 = var_9; [L72] SORT_1 var_13 = ~var_13_arg_0; [L73] SORT_1 var_14_arg_0 = var_12; [L74] SORT_1 var_14_arg_1 = var_13; [L75] EXPR var_14_arg_0 & var_14_arg_1 [L75] SORT_1 var_14 = var_14_arg_0 & var_14_arg_1; [L76] EXPR var_14 & mask_SORT_1 [L76] var_14 = var_14 & mask_SORT_1 [L77] SORT_1 bad_15_arg_0 = var_14; [L78] CALL __VERIFIER_assert(!(bad_15_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.71ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 76.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.15ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 70.8MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.63ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 68.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1036.96ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 37.7MB in the end (delta: 30.6MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * CodeCheck took 548.81ms. Allocated memory is still 117.4MB. Free memory was 37.7MB in the beginning and 69.5MB in the end (delta: -31.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.25ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 68.8MB in the end (delta: 750.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:55:27,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b --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 54eceae7382bc15f3f6868c637e60b7eb166af5d1c4b040a6f157b03b87c995c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:55:30,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:55:30,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 21:55:30,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:55:30,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:55:30,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:55:30,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:55:30,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:55:30,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:55:30,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:55:30,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:55:30,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:55:30,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:55:30,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:55:30,318 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:55:30,319 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:55:30,319 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:55:30,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:55:30,319 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:55:30,319 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:55:30,319 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:55:30,319 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:55:30,319 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:55:30,320 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:55:30,320 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:55:30,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:55:30,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:55:30,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:55:30,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:55:30,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:55:30,320 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:55:30,320 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:55:30,320 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:55:30,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b 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 -> 54eceae7382bc15f3f6868c637e60b7eb166af5d1c4b040a6f157b03b87c995c [2024-12-05 21:55:30,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:55:30,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:55:30,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:55:30,590 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:55:30,590 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:55:30,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c [2024-12-05 21:55:34,139 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/data/a5a7c2f91/06bdf6904a1644eda54e6a9bd62aec27/FLAGeb75296f5 [2024-12-05 21:55:34,368 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:55:34,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c [2024-12-05 21:55:34,380 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/data/a5a7c2f91/06bdf6904a1644eda54e6a9bd62aec27/FLAGeb75296f5 [2024-12-05 21:55:34,398 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/data/a5a7c2f91/06bdf6904a1644eda54e6a9bd62aec27 [2024-12-05 21:55:34,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:55:34,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:55:34,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:55:34,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:55:34,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:55:34,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:34" (1/1) ... [2024-12-05 21:55:34,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73225292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:34, skipping insertion in model container [2024-12-05 21:55:34,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:34" (1/1) ... [2024-12-05 21:55:34,432 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:55:34,600 WARN L250 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_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c[1263,1276] [2024-12-05 21:55:34,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:55:34,686 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:55:34,696 WARN L250 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_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c[1263,1276] [2024-12-05 21:55:34,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:55:34,759 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:55:34,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:34 WrapperNode [2024-12-05 21:55:34,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:55:34,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:55:34,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:55:34,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:55:34,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:34" (1/1) ... [2024-12-05 21:55:34,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:34" (1/1) ... [2024-12-05 21:55:34,813 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 189 [2024-12-05 21:55:34,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:55:34,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:55:34,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:55:34,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:55:34,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:34" (1/1) ... [2024-12-05 21:55:34,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:34" (1/1) ... [2024-12-05 21:55:34,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:34" (1/1) ... [2024-12-05 21:55:34,830 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:34" (1/1) ... [2024-12-05 21:55:34,839 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:34" (1/1) ... [2024-12-05 21:55:34,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:34" (1/1) ... [2024-12-05 21:55:34,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:34" (1/1) ... [2024-12-05 21:55:34,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:34" (1/1) ... [2024-12-05 21:55:34,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:34" (1/1) ... [2024-12-05 21:55:34,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:55:34,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:55:34,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:55:34,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:55:34,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:34" (1/1) ... [2024-12-05 21:55:34,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:55:34,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:55:34,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:55:34,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:55:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:55:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:55:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:55:34,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:55:35,046 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:55:35,048 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:55:35,334 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-05 21:55:35,334 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:55:35,367 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:55:35,368 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:55:35,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:35 BoogieIcfgContainer [2024-12-05 21:55:35,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:55:35,369 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:55:35,369 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:55:35,380 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:55:35,380 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:35" (1/1) ... [2024-12-05 21:55:35,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:55:35,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:35,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 21:55:35,437 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 21:55:35,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:55:35,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:35,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:55:35,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:55:35,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:55:35,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:55:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:35,602 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:55:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:35,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 21:55:35,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:55:35,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:55:35,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:55:35,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:35,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 21:55:35,947 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 21:55:35,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:55:35,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:35,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:55:35,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:55:35,951 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:55:35,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 21:55:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:36,152 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:55:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:36,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 21:55:36,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:55:37,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:55:37,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-05 21:55:37,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:37,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2024-12-05 21:55:37,913 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2024-12-05 21:55:37,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 21:55:37,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:37,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:55:37,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:55:37,918 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:55:37,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 21:55:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:38,147 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:55:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:38,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 21:55:38,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:55:41,049 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:55:41,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 21:55:43,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:43,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 19 states and 41 transitions. [2024-12-05 21:55:43,123 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 41 transitions. [2024-12-05 21:55:43,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 21:55:43,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:43,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:55:43,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:55:43,126 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:55:43,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 21:55:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:43,317 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:55:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:43,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 21:55:43,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:55:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:55:44,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 21:55:45,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:45,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 20 states and 44 transitions. [2024-12-05 21:55:45,092 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 44 transitions. [2024-12-05 21:55:45,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:55:45,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:45,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:55:45,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:55:45,094 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:55:45,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 21:55:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:45,298 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:55:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:45,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 21:55:45,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:55:46,689 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:55:46,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 21:55:47,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:47,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 9 states and 14 transitions. [2024-12-05 21:55:47,535 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 14 transitions. [2024-12-05 21:55:47,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 21:55:47,535 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-05 21:55:47,543 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 21:55:48,061 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-12-05 21:55:48,061 INFO L77 FloydHoareUtils]: At program point L61-1(lines 61 202) the Hoare annotation is: (and (= (_ bv63 8) |ULTIMATE.start_main_~var_23~0#1|) (= (bvadd (_ bv1 8) |ULTIMATE.start_main_~var_8~0#1|) (_ bv0 8)) (not (= ((_ zero_extend 24) |ULTIMATE.start_main_~state_6~0#1|) (_ bv255 32))) (= (_ bv7 8) |ULTIMATE.start_main_~var_29~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~var_12~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~var_5~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~var_21~0#1|)) [2024-12-05 21:55:48,061 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-12-05 21:55:48,061 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (= (_ bv63 8) |ULTIMATE.start_main_~var_23~0#1|) (= (bvadd (_ bv1 8) |ULTIMATE.start_main_~var_8~0#1|) (_ bv0 8)) (not (= ((_ zero_extend 24) |ULTIMATE.start_main_~state_6~0#1|) (_ bv255 32))) (= (_ bv7 8) |ULTIMATE.start_main_~var_29~0#1|) (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= (_ bv1 8) |ULTIMATE.start_main_~var_12~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~var_5~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~var_21~0#1|)) [2024-12-05 21:55:48,061 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-12-05 21:55:48,061 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (and (= (_ bv63 8) |ULTIMATE.start_main_~var_23~0#1|) (= (bvadd (_ bv1 8) |ULTIMATE.start_main_~var_8~0#1|) (_ bv0 8)) (not (= ((_ zero_extend 24) |ULTIMATE.start_main_~state_6~0#1|) (_ bv255 32))) (= (_ bv7 8) |ULTIMATE.start_main_~var_29~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~var_12~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~var_5~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~var_21~0#1|)) [2024-12-05 21:55:48,062 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 21:55:48,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:55:48 ImpRootNode [2024-12-05 21:55:48,069 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:55:48,069 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:55:48,069 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:55:48,069 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:55:48,070 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:35" (3/4) ... [2024-12-05 21:55:48,072 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 21:55:48,081 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-05 21:55:48,081 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-05 21:55:48,082 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 21:55:48,082 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 21:55:48,169 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:55:48,169 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:55:48,169 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:55:48,170 INFO L158 Benchmark]: Toolchain (without parser) took 13767.87ms. Allocated memory was 92.3MB in the beginning and 528.5MB in the end (delta: 436.2MB). Free memory was 69.2MB in the beginning and 454.1MB in the end (delta: -384.9MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-12-05 21:55:48,170 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:48,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.22ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 53.8MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:55:48,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.12ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 51.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:48,171 INFO L158 Benchmark]: Boogie Preprocessor took 38.74ms. Allocated memory is still 92.3MB. Free memory was 51.6MB in the beginning and 50.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:48,171 INFO L158 Benchmark]: RCFGBuilder took 514.31ms. Allocated memory is still 92.3MB. Free memory was 50.0MB in the beginning and 53.4MB in the end (delta: -3.3MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-12-05 21:55:48,172 INFO L158 Benchmark]: CodeCheck took 12699.92ms. Allocated memory was 92.3MB in the beginning and 528.5MB in the end (delta: 436.2MB). Free memory was 53.4MB in the beginning and 458.4MB in the end (delta: -405.1MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-12-05 21:55:48,172 INFO L158 Benchmark]: Witness Printer took 99.87ms. Allocated memory is still 528.5MB. Free memory was 458.4MB in the beginning and 454.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:48,174 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: 12.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 381 IncrementalHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 5 mSDtfsCounter, 381 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 498 GetRequests, 417 SyntacticMatches, 15 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1664 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 39 ConstructedInterpolants, 4 QuantifiedInterpolants, 812 SizeOfPredicates, 50 NumberOfNonLiveVariables, 335 ConjunctsInSsa, 139 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 6/31 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, ConComCheckerStatistics: 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: 61]: Loop Invariant Derived loop invariant: ((((((((63 == var_23) && (((1 + var_8) % 256) == 0)) && (state_6 != 255)) && (7 == var_29)) && (1 == var_12)) && (1 == mask_SORT_1)) && (0 == var_5)) && (1 == var_21)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.22ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 53.8MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.12ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 51.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.74ms. Allocated memory is still 92.3MB. Free memory was 51.6MB in the beginning and 50.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 514.31ms. Allocated memory is still 92.3MB. Free memory was 50.0MB in the beginning and 53.4MB in the end (delta: -3.3MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * CodeCheck took 12699.92ms. Allocated memory was 92.3MB in the beginning and 528.5MB in the end (delta: 436.2MB). Free memory was 53.4MB in the beginning and 458.4MB in the end (delta: -405.1MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Witness Printer took 99.87ms. Allocated memory is still 528.5MB. Free memory was 458.4MB in the beginning and 454.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 21:55:48,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3edd389-1cb5-4d7b-a5e9-f15a3b4b3e9c/bin/ukojak-verify-CZk0znPC7b/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