./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 30e01a73 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_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/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_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC --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-30e01a7 [2023-11-23 20:12:02,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:02,381 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-23 20:12:02,389 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:12:02,390 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:12:02,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:02,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:02,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:02,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:02,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:02,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:02,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:02,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:12:02,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:02,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:02,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:02,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:02,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:02,427 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:02,427 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:02,428 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:02,429 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:02,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:02,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:02,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:02,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:02,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:02,433 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:12:02,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:12:02,434 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:02,434 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_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54eceae7382bc15f3f6868c637e60b7eb166af5d1c4b040a6f157b03b87c995c [2023-11-23 20:12:02,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:02,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:02,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:02,749 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:02,750 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:02,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c [2023-11-23 20:12:05,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:06,249 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:06,250 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c [2023-11-23 20:12:06,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/data/39ec680c5/e32a1cb9b9f94ef4bea6d9a401cb3223/FLAGed94c4f41 [2023-11-23 20:12:06,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/data/39ec680c5/e32a1cb9b9f94ef4bea6d9a401cb3223 [2023-11-23 20:12:06,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:06,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:06,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:06,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:06,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:06,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:06" (1/1) ... [2023-11-23 20:12:06,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d209fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:06, skipping insertion in model container [2023-11-23 20:12:06,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:06" (1/1) ... [2023-11-23 20:12:06,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:06,490 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_a0d826ed-65e2-4aba-800e-e75cb3c020a3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c[1263,1276] [2023-11-23 20:12:06,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:06,600 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:06,612 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_a0d826ed-65e2-4aba-800e-e75cb3c020a3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c[1263,1276] [2023-11-23 20:12:06,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:06,680 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:06,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:06 WrapperNode [2023-11-23 20:12:06,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:06,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:06,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:06,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:06,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:06" (1/1) ... [2023-11-23 20:12:06,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:06" (1/1) ... [2023-11-23 20:12:06,781 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 302 [2023-11-23 20:12:06,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:06,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:06,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:06,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:06,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:06" (1/1) ... [2023-11-23 20:12:06,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:06" (1/1) ... [2023-11-23 20:12:06,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:06" (1/1) ... [2023-11-23 20:12:06,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:06" (1/1) ... [2023-11-23 20:12:06,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:06" (1/1) ... [2023-11-23 20:12:06,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:06" (1/1) ... [2023-11-23 20:12:06,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:06" (1/1) ... [2023-11-23 20:12:06,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:06" (1/1) ... [2023-11-23 20:12:06,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:06,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:06,897 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:06,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:06,898 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:06" (1/1) ... [2023-11-23 20:12:06,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:06,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:06,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:06,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:12:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:06,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:07,126 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:07,128 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:07,658 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:08,024 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:12:08,025 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:12:08,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:08 BoogieIcfgContainer [2023-11-23 20:12:08,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:12:08,028 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:12:08,028 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:12:08,038 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:12:08,038 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:08" (1/1) ... [2023-11-23 20:12:08,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:12:08,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:08,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-23 20:12:08,117 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-23 20:12:08,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:12:08,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:08,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:12:08,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:12:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:12:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:12:08,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:12:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:12:08,664 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:12:08,709 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 20:12:08,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:12:08 ImpRootNode [2023-11-23 20:12:08,717 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:12:08,718 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:12:08,720 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:12:08,721 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:12:08,721 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:08" (3/4) ... [2023-11-23 20:12:08,724 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:12:08,726 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:12:08,728 INFO L158 Benchmark]: Toolchain (without parser) took 2438.35ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 102.8MB in the end (delta: 28.9MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2023-11-23 20:12:08,729 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 107.0MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:08,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.73ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 116.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:12:08,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.35ms. Allocated memory is still 167.8MB. Free memory was 116.0MB in the beginning and 110.1MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:12:08,732 INFO L158 Benchmark]: Boogie Preprocessor took 113.12ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 107.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:08,735 INFO L158 Benchmark]: RCFGBuilder took 1130.08ms. Allocated memory is still 167.8MB. Free memory was 107.2MB in the beginning and 128.0MB in the end (delta: -20.8MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2023-11-23 20:12:08,736 INFO L158 Benchmark]: CodeCheck took 690.01ms. Allocated memory is still 167.8MB. Free memory was 128.0MB in the beginning and 102.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:12:08,737 INFO L158 Benchmark]: Witness Printer took 8.00ms. Allocated memory is still 167.8MB. Free memory was 102.8MB in the beginning and 102.8MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:08,743 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: 0.6s, 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 0.35ms. Allocated memory is still 107.0MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.73ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 116.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.35ms. Allocated memory is still 167.8MB. Free memory was 116.0MB in the beginning and 110.1MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.12ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 107.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1130.08ms. Allocated memory is still 167.8MB. Free memory was 107.2MB in the beginning and 128.0MB in the end (delta: -20.8MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * CodeCheck took 690.01ms. Allocated memory is still 167.8MB. Free memory was 128.0MB in the beginning and 102.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 8.00ms. Allocated memory is still 167.8MB. Free memory was 102.8MB in the beginning and 102.8MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:12:08,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/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_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC --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-30e01a7 [2023-11-23 20:12:11,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:11,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-23 20:12:11,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:11,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:11,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:11,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:11,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:11,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:11,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:11,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:11,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:11,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:11,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:11,510 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:12:11,510 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:12:11,511 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:12:11,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:11,512 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:11,513 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:11,513 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:11,514 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:11,514 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:11,515 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:12:11,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:11,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:11,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:11,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:11,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:11,518 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:12:11,519 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:11,520 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:11,520 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:12:11,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:12:11,521 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_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54eceae7382bc15f3f6868c637e60b7eb166af5d1c4b040a6f157b03b87c995c [2023-11-23 20:12:11,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:12,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:12,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:12,006 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:12,008 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:12,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c [2023-11-23 20:12:15,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:15,461 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:15,461 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c [2023-11-23 20:12:15,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/data/757af0374/bb446722a1984b46aa4ad782fa4c99ba/FLAGcbcfeda9d [2023-11-23 20:12:15,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/data/757af0374/bb446722a1984b46aa4ad782fa4c99ba [2023-11-23 20:12:15,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:15,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:15,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:15,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:15,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:15,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:15" (1/1) ... [2023-11-23 20:12:15,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f7a29f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:15, skipping insertion in model container [2023-11-23 20:12:15,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:15" (1/1) ... [2023-11-23 20:12:15,547 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:15,722 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_a0d826ed-65e2-4aba-800e-e75cb3c020a3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c[1263,1276] [2023-11-23 20:12:15,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:15,896 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:15,909 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_a0d826ed-65e2-4aba-800e-e75cb3c020a3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c[1263,1276] [2023-11-23 20:12:15,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:15,999 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:15,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:15 WrapperNode [2023-11-23 20:12:16,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:16,001 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:16,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:16,001 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:16,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:15" (1/1) ... [2023-11-23 20:12:16,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:15" (1/1) ... [2023-11-23 20:12:16,063 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 192 [2023-11-23 20:12:16,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:16,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:16,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:16,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:16,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:15" (1/1) ... [2023-11-23 20:12:16,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:15" (1/1) ... [2023-11-23 20:12:16,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:15" (1/1) ... [2023-11-23 20:12:16,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:15" (1/1) ... [2023-11-23 20:12:16,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:15" (1/1) ... [2023-11-23 20:12:16,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:15" (1/1) ... [2023-11-23 20:12:16,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:15" (1/1) ... [2023-11-23 20:12:16,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:15" (1/1) ... [2023-11-23 20:12:16,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:16,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:16,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:16,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:16,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:15" (1/1) ... [2023-11-23 20:12:16,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:16,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:16,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:16,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:16,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:12:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:16,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:16,358 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:16,365 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:16,751 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:16,824 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:12:16,824 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:12:16,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:16 BoogieIcfgContainer [2023-11-23 20:12:16,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:12:16,827 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:12:16,827 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:12:16,839 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:12:16,839 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:16" (1/1) ... [2023-11-23 20:12:16,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:12:16,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:16,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-23 20:12:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-23 20:12:16,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:12:16,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:16,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:16,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:12:16,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:12:16,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:12:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:17,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:12:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:17,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:12:17,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:17,454 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:12:17,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:12:17,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:17,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-23 20:12:17,559 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-23 20:12:17,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:12:17,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:17,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:17,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:12:17,564 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:12:17,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:12:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:17,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:12:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:17,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-23 20:12:17,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:19,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:19,328 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:12:19,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:12:20,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:20,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-11-23 20:12:20,076 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-11-23 20:12:20,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:12:20,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:20,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:20,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:12:20,084 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:12:20,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:12:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:20,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:12:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:20,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:12:20,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:22,511 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:22,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:12:25,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:25,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 19 states and 40 transitions. [2023-11-23 20:12:25,591 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 40 transitions. [2023-11-23 20:12:25,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:12:25,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:25,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:25,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:12:25,593 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:12:25,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 20:12:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:25,859 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:12:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:25,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:12:25,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:27,352 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:27,356 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:12:27,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-23 20:12:27,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:27,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 20 states and 42 transitions. [2023-11-23 20:12:27,837 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 42 transitions. [2023-11-23 20:12:27,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:12:27,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:27,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:27,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:12:27,840 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:12:27,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 20:12:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:28,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:12:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:28,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:12:28,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:29,724 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:12:29,729 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:12:29,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-23 20:12:30,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:30,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 22 states and 46 transitions. [2023-11-23 20:12:30,653 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 46 transitions. [2023-11-23 20:12:30,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:12:30,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:30,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:30,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:12:30,666 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:12:30,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-23 20:12:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:30,985 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:12:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:31,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:12:31,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:32,317 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:12:32,321 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:12:32,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-23 20:12:33,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:33,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 9 states and 13 transitions. [2023-11-23 20:12:33,048 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2023-11-23 20:12:33,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:12:33,048 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-23 20:12:33,060 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-23 20:12:33,496 INFO L560 CodeCheckObserver]: Invariant with dag size 40 [2023-11-23 20:12:33,511 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 [2023-11-23 20:12:33,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:12:33 ImpRootNode [2023-11-23 20:12:33,516 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:12:33,517 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:12:33,517 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:12:33,519 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:12:33,520 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:16" (3/4) ... [2023-11-23 20:12:33,522 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:12:33,539 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-23 20:12:33,540 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 20:12:33,541 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:12:33,541 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:12:33,682 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:12:33,682 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:12:33,682 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:12:33,683 INFO L158 Benchmark]: Toolchain (without parser) took 18190.69ms. Allocated memory was 67.1MB in the beginning and 333.4MB in the end (delta: 266.3MB). Free memory was 42.8MB in the beginning and 299.4MB in the end (delta: -256.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-11-23 20:12:33,683 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:33,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.64ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 42.5MB in the beginning and 70.1MB in the end (delta: -27.6MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-23 20:12:33,684 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.12ms. Allocated memory is still 94.4MB. Free memory was 70.1MB in the beginning and 67.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:12:33,685 INFO L158 Benchmark]: Boogie Preprocessor took 70.73ms. Allocated memory is still 94.4MB. Free memory was 67.6MB in the beginning and 65.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:33,685 INFO L158 Benchmark]: RCFGBuilder took 689.84ms. Allocated memory is still 94.4MB. Free memory was 65.5MB in the beginning and 70.1MB in the end (delta: -4.6MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2023-11-23 20:12:33,686 INFO L158 Benchmark]: CodeCheck took 16689.66ms. Allocated memory was 94.4MB in the beginning and 333.4MB in the end (delta: 239.1MB). Free memory was 69.6MB in the beginning and 305.7MB in the end (delta: -236.1MB). Peak memory consumption was 200.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:33,686 INFO L158 Benchmark]: Witness Printer took 165.27ms. Allocated memory is still 333.4MB. Free memory was 305.7MB in the beginning and 299.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:12:33,689 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: 16.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 495 IncrementalHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 6 mSDtfsCounter, 495 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 631 GetRequests, 540 SyntacticMatches, 23 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1753 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 51 ConstructedInterpolants, 5 QuantifiedInterpolants, 1349 SizeOfPredicates, 483 NumberOfNonLiveVariables, 1730 ConjunctsInSsa, 483 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 2/46 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 0.58ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.64ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 42.5MB in the beginning and 70.1MB in the end (delta: -27.6MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.12ms. Allocated memory is still 94.4MB. Free memory was 70.1MB in the beginning and 67.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.73ms. Allocated memory is still 94.4MB. Free memory was 67.6MB in the beginning and 65.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 689.84ms. Allocated memory is still 94.4MB. Free memory was 65.5MB in the beginning and 70.1MB in the end (delta: -4.6MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * CodeCheck took 16689.66ms. Allocated memory was 94.4MB in the beginning and 333.4MB in the end (delta: 239.1MB). Free memory was 69.6MB in the beginning and 305.7MB in the end (delta: -236.1MB). Peak memory consumption was 200.1MB. Max. memory is 16.1GB. * Witness Printer took 165.27ms. Allocated memory is still 333.4MB. Free memory was 305.7MB in the beginning and 299.4MB 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! [2023-11-23 20:12:33,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d826ed-65e2-4aba-800e-e75cb3c020a3/bin/ukojak-verify-1t5iHCbJaC/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