./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 9bd2c7ff 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_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/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_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 03:06:02,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:06:02,157 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:06:02,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:06:02,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:06:02,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:06:02,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:06:02,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:06:02,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:06:02,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:06:02,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:06:02,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:06:02,216 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:06:02,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:06:02,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:06:02,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:06:02,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:06:02,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:06:02,220 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:06:02,220 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:06:02,221 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:06:02,221 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:06:02,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:06:02,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:02,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:06:02,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:06:02,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:06:02,225 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:06:02,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:06:02,226 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:06:02,226 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_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54eceae7382bc15f3f6868c637e60b7eb166af5d1c4b040a6f157b03b87c995c [2023-11-19 03:06:02,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:06:02,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:06:02,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:06:02,674 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:06:02,675 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:06:02,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c [2023-11-19 03:06:05,983 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:06:06,381 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:06:06,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c [2023-11-19 03:06:06,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/data/a8f0c5983/5a22b46db510422f9d75f563907a6e35/FLAGac47dc58e [2023-11-19 03:06:06,418 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/data/a8f0c5983/5a22b46db510422f9d75f563907a6e35 [2023-11-19 03:06:06,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:06:06,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:06:06,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:06,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:06:06,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:06:06,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:06" (1/1) ... [2023-11-19 03:06:06,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db84e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:06, skipping insertion in model container [2023-11-19 03:06:06,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:06" (1/1) ... [2023-11-19 03:06:06,494 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:06:06,731 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_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c[1263,1276] [2023-11-19 03:06:06,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:06,850 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:06:06,866 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_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c[1263,1276] [2023-11-19 03:06:06,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:06,929 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:06:06,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:06 WrapperNode [2023-11-19 03:06:06,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:06,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:06,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:06:06,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:06:06,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:06" (1/1) ... [2023-11-19 03:06:06,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:06" (1/1) ... [2023-11-19 03:06:07,012 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 302 [2023-11-19 03:06:07,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:07,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:06:07,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:06:07,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:06:07,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:06" (1/1) ... [2023-11-19 03:06:07,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:06" (1/1) ... [2023-11-19 03:06:07,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:06" (1/1) ... [2023-11-19 03:06:07,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:06" (1/1) ... [2023-11-19 03:06:07,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:06" (1/1) ... [2023-11-19 03:06:07,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:06" (1/1) ... [2023-11-19 03:06:07,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:06" (1/1) ... [2023-11-19 03:06:07,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:06" (1/1) ... [2023-11-19 03:06:07,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:06:07,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:06:07,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:06:07,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:06:07,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:06" (1/1) ... [2023-11-19 03:06:07,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:07,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:06:07,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:06:07,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:06:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:06:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:06:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:06:07,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:06:07,415 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:06:07,418 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:06:07,992 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:06:08,428 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:06:08,429 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:06:08,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:08 BoogieIcfgContainer [2023-11-19 03:06:08,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:06:08,436 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:06:08,437 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:06:08,447 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:06:08,447 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:08" (1/1) ... [2023-11-19 03:06:08,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:06:08,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:08,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:06:08,530 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:06:08,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:06:08,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:08,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:06:08,866 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:06:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:06:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:06:09,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:06:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:06:09,171 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:06:09,209 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:06:09,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:06:09 ImpRootNode [2023-11-19 03:06:09,216 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:06:09,218 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:06:09,219 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:06:09,219 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:06:09,220 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:08" (3/4) ... [2023-11-19 03:06:09,223 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:06:09,225 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:06:09,226 INFO L158 Benchmark]: Toolchain (without parser) took 2797.77ms. Allocated memory was 178.3MB in the beginning and 220.2MB in the end (delta: 41.9MB). Free memory was 147.9MB in the beginning and 138.3MB in the end (delta: 9.6MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2023-11-19 03:06:09,228 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:06:09,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.13ms. Allocated memory is still 178.3MB. Free memory was 147.9MB in the beginning and 132.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:06:09,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.46ms. Allocated memory is still 178.3MB. Free memory was 132.7MB in the beginning and 126.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:06:09,231 INFO L158 Benchmark]: Boogie Preprocessor took 61.92ms. Allocated memory is still 178.3MB. Free memory was 126.4MB in the beginning and 123.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:06:09,233 INFO L158 Benchmark]: RCFGBuilder took 1358.15ms. Allocated memory was 178.3MB in the beginning and 220.2MB in the end (delta: 41.9MB). Free memory was 123.6MB in the beginning and 165.5MB in the end (delta: -41.9MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2023-11-19 03:06:09,235 INFO L158 Benchmark]: CodeCheck took 779.75ms. Allocated memory is still 220.2MB. Free memory was 165.5MB in the beginning and 139.2MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:06:09,235 INFO L158 Benchmark]: Witness Printer took 6.82ms. Allocated memory is still 220.2MB. Free memory was 138.3MB in the beginning and 138.3MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:06:09,250 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 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 [init_19_arg_1=0, init_7_arg_1=0, mask_SORT_16=3, mask_SORT_1=1, mask_SORT_44=4294967295, mask_SORT_4=255, msb_SORT_16=2, msb_SORT_1=1, msb_SORT_44=2147483648, msb_SORT_4=128, 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) 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 0.30ms. Allocated memory is still 121.6MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.13ms. Allocated memory is still 178.3MB. Free memory was 147.9MB in the beginning and 132.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.46ms. Allocated memory is still 178.3MB. Free memory was 132.7MB in the beginning and 126.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.92ms. Allocated memory is still 178.3MB. Free memory was 126.4MB in the beginning and 123.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1358.15ms. Allocated memory was 178.3MB in the beginning and 220.2MB in the end (delta: 41.9MB). Free memory was 123.6MB in the beginning and 165.5MB in the end (delta: -41.9MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * CodeCheck took 779.75ms. Allocated memory is still 220.2MB. Free memory was 165.5MB in the beginning and 139.2MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 6.82ms. Allocated memory is still 220.2MB. Free memory was 138.3MB in the beginning and 138.3MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:06:09,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/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_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 03:06:12,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:06:12,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-19 03:06:12,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:06:12,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:06:12,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:06:12,288 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:06:12,288 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:06:12,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:06:12,297 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:06:12,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:06:12,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:06:12,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:06:12,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:06:12,301 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:06:12,301 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:06:12,301 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:06:12,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:06:12,302 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:06:12,303 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:06:12,304 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:06:12,304 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:06:12,305 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:06:12,305 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:06:12,306 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:06:12,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:12,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:06:12,307 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:06:12,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:06:12,308 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:06:12,309 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:06:12,309 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:06:12,310 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:06:12,310 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:06:12,311 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_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54eceae7382bc15f3f6868c637e60b7eb166af5d1c4b040a6f157b03b87c995c [2023-11-19 03:06:12,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:06:12,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:06:12,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:06:12,773 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:06:12,776 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:06:12,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c [2023-11-19 03:06:16,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:06:16,428 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:06:16,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c [2023-11-19 03:06:16,449 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/data/7d82c1e19/f583c0e6dda34682a11b78099e50a2de/FLAG10481d873 [2023-11-19 03:06:16,471 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/data/7d82c1e19/f583c0e6dda34682a11b78099e50a2de [2023-11-19 03:06:16,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:06:16,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:06:16,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:16,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:06:16,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:06:16,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:16" (1/1) ... [2023-11-19 03:06:16,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@347cf300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:16, skipping insertion in model container [2023-11-19 03:06:16,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:16" (1/1) ... [2023-11-19 03:06:16,540 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:06:16,696 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_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c[1263,1276] [2023-11-19 03:06:16,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:16,790 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:06:16,807 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c[1263,1276] [2023-11-19 03:06:16,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:16,941 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:06:16,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:16 WrapperNode [2023-11-19 03:06:16,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:16,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:16,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:06:16,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:06:16,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:16" (1/1) ... [2023-11-19 03:06:16,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:16" (1/1) ... [2023-11-19 03:06:17,025 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 192 [2023-11-19 03:06:17,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:17,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:06:17,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:06:17,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:06:17,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:16" (1/1) ... [2023-11-19 03:06:17,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:16" (1/1) ... [2023-11-19 03:06:17,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:16" (1/1) ... [2023-11-19 03:06:17,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:16" (1/1) ... [2023-11-19 03:06:17,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:16" (1/1) ... [2023-11-19 03:06:17,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:16" (1/1) ... [2023-11-19 03:06:17,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:16" (1/1) ... [2023-11-19 03:06:17,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:16" (1/1) ... [2023-11-19 03:06:17,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:06:17,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:06:17,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:06:17,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:06:17,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:16" (1/1) ... [2023-11-19 03:06:17,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:17,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:06:17,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:06:17,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:06:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:06:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:06:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:06:17,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:06:17,313 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:06:17,314 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:06:17,668 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:06:17,735 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:06:17,735 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:06:17,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:17 BoogieIcfgContainer [2023-11-19 03:06:17,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:06:17,741 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:06:17,741 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:06:17,751 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:06:17,751 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:17" (1/1) ... [2023-11-19 03:06:17,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:06:17,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:17,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:06:17,833 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:06:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:06:17,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:17,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:06:17,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:06:17,840 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:06:17,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:06:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:17,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:06:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:18,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:06:18,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:18,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:18,253 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:06:18,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:06:18,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:18,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-19 03:06:18,412 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-19 03:06:18,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:06:18,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:18,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:06:18,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:06:18,416 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:06:18,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:06:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:18,718 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:06:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:18,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-19 03:06:18,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:20,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:20,386 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:06:20,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 03:06:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-11-19 03:06:21,250 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-11-19 03:06:21,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:06:21,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:21,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:06:21,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:06:21,256 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:06:21,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:06:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:21,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:06:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:21,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-19 03:06:21,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:24,261 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:24,265 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:06:24,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:06:27,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:27,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 19 states and 40 transitions. [2023-11-19 03:06:27,729 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 40 transitions. [2023-11-19 03:06:27,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:06:27,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:27,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:06:27,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:06:27,732 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:06:27,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:06:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:28,107 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:06:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:28,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-19 03:06:28,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:30,084 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:30,088 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:06:30,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-19 03:06:30,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:30,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 20 states and 42 transitions. [2023-11-19 03:06:30,613 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 42 transitions. [2023-11-19 03:06:30,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:06:30,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:30,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:06:30,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:06:30,617 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:06:30,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 03:06:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:31,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:06:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:31,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-19 03:06:31,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:06:33,004 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:06:33,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 03:06:34,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:34,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 9 states and 13 transitions. [2023-11-19 03:06:34,779 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2023-11-19 03:06:34,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:06:34,780 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-19 03:06:34,796 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:06:35,269 INFO L560 CodeCheckObserver]: Invariant with dag size 40 [2023-11-19 03:06:35,284 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_24_arg_0~0#1 : bv8 :: !(~zero_extend~32~8(ULTIMATE.start_main_~var_24_arg_0~0#1) == 255bv32) && ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_24_arg_0~0#1)[7:0])[7:0])[7:0]))[7:0] == ~state_6~0) could not be translated [2023-11-19 03:06:35,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:06:35 ImpRootNode [2023-11-19 03:06:35,288 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:06:35,289 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:06:35,289 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:06:35,290 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:06:35,291 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:17" (3/4) ... [2023-11-19 03:06:35,293 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:06:35,308 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-19 03:06:35,309 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:06:35,310 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:06:35,311 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:06:35,480 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:06:35,481 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:06:35,481 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:06:35,482 INFO L158 Benchmark]: Toolchain (without parser) took 19000.31ms. Allocated memory was 109.1MB in the beginning and 331.4MB in the end (delta: 222.3MB). Free memory was 85.0MB in the beginning and 283.9MB in the end (delta: -198.9MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2023-11-19 03:06:35,482 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 65.0MB. Free memory was 41.7MB in the beginning and 41.7MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:06:35,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.27ms. Allocated memory is still 109.1MB. Free memory was 85.0MB in the beginning and 69.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:06:35,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.51ms. Allocated memory is still 109.1MB. Free memory was 69.9MB in the beginning and 67.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:06:35,485 INFO L158 Benchmark]: Boogie Preprocessor took 52.83ms. Allocated memory is still 109.1MB. Free memory was 67.4MB in the beginning and 65.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:06:35,486 INFO L158 Benchmark]: RCFGBuilder took 659.26ms. Allocated memory is still 109.1MB. Free memory was 65.3MB in the beginning and 73.0MB in the end (delta: -7.6MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2023-11-19 03:06:35,487 INFO L158 Benchmark]: CodeCheck took 17547.20ms. Allocated memory was 109.1MB in the beginning and 331.4MB in the end (delta: 222.3MB). Free memory was 73.0MB in the beginning and 290.2MB in the end (delta: -217.2MB). Peak memory consumption was 187.4MB. Max. memory is 16.1GB. [2023-11-19 03:06:35,487 INFO L158 Benchmark]: Witness Printer took 192.05ms. Allocated memory is still 331.4MB. Free memory was 290.2MB in the beginning and 283.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:06:35,490 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: 17.0s, 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, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 373 IncrementalHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 5 mSDtfsCounter, 373 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 486 GetRequests, 405 SyntacticMatches, 13 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1753 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 39 ConstructedInterpolants, 4 QuantifiedInterpolants, 1004 SizeOfPredicates, 384 NumberOfNonLiveVariables, 1290 ConjunctsInSsa, 384 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 1/31 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 - 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: ((((((((((1 + var_8) % 256) == 0) && (1 == mask_SORT_1)) && (((1 + mask_SORT_4) % 256) == 0)) && (var_5 == 0)) && (63 == var_23)) && (1 == var_21)) && (1 == var_12)) && (7 == var_29)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 65.0MB. Free memory was 41.7MB in the beginning and 41.7MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.27ms. Allocated memory is still 109.1MB. Free memory was 85.0MB in the beginning and 69.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.51ms. Allocated memory is still 109.1MB. Free memory was 69.9MB in the beginning and 67.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.83ms. Allocated memory is still 109.1MB. Free memory was 67.4MB in the beginning and 65.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 659.26ms. Allocated memory is still 109.1MB. Free memory was 65.3MB in the beginning and 73.0MB in the end (delta: -7.6MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * CodeCheck took 17547.20ms. Allocated memory was 109.1MB in the beginning and 331.4MB in the end (delta: 222.3MB). Free memory was 73.0MB in the beginning and 290.2MB in the end (delta: -217.2MB). Peak memory consumption was 187.4MB. Max. memory is 16.1GB. * Witness Printer took 192.05ms. Allocated memory is still 331.4MB. Free memory was 290.2MB in the beginning and 283.9MB 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 ULTIMATE.start_main_~var_24_arg_0~0#1 : bv8 :: !(~zero_extend~32~8(ULTIMATE.start_main_~var_24_arg_0~0#1) == 255bv32) && ~bvand~32(255bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_24_arg_0~0#1)[7:0])[7:0])[7:0]))[7:0] == ~state_6~0) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 03:06:35,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb57da1-d188-4dcc-bbe5-f7f6912cbf14/bin/ukojak-verify-G8NBE6pJGL/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 Writing output log to file Ultimate.log Result: TRUE