./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.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_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/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_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/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_81271aa7-a9c4-4447-a195-0b1f68cadc0b/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 2200532e3403e6f1ac3d9b38640c6756b6cab2fade9669ac03b78883e92f67bb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:41,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:41,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:15:41,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:15:41,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:15:41,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:41,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:41,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:41,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:41,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:41,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:41,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:41,225 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:15:41,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:41,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:41,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:41,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:41,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:41,234 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:41,235 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:41,235 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:41,240 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:41,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:41,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:41,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:41,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:41,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:41,244 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:15:41,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:15:41,245 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:41,246 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_81271aa7-a9c4-4447-a195-0b1f68cadc0b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2200532e3403e6f1ac3d9b38640c6756b6cab2fade9669ac03b78883e92f67bb [2023-11-19 03:15:41,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:41,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:41,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:41,560 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:41,561 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:41,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c [2023-11-19 03:15:44,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:45,174 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:45,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c [2023-11-19 03:15:45,190 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/data/cf1f11c29/70d88f12818b4ccd911cb2c167058750/FLAG4aa03f0e7 [2023-11-19 03:15:45,211 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/data/cf1f11c29/70d88f12818b4ccd911cb2c167058750 [2023-11-19 03:15:45,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:45,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:45,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:45,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:45,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:45,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:45" (1/1) ... [2023-11-19 03:15:45,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183dc1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:45, skipping insertion in model container [2023-11-19 03:15:45,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:45" (1/1) ... [2023-11-19 03:15:45,292 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:45,499 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_81271aa7-a9c4-4447-a195-0b1f68cadc0b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c[1249,1262] [2023-11-19 03:15:45,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:45,638 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:45,659 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_81271aa7-a9c4-4447-a195-0b1f68cadc0b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c[1249,1262] [2023-11-19 03:15:45,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:45,788 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:45,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:45 WrapperNode [2023-11-19 03:15:45,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:45,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:45,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:45,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:45,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:45" (1/1) ... [2023-11-19 03:15:45,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:45" (1/1) ... [2023-11-19 03:15:45,933 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 661 [2023-11-19 03:15:45,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:45,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:45,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:45,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:45,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:45" (1/1) ... [2023-11-19 03:15:45,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:45" (1/1) ... [2023-11-19 03:15:45,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:45" (1/1) ... [2023-11-19 03:15:45,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:45" (1/1) ... [2023-11-19 03:15:46,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:45" (1/1) ... [2023-11-19 03:15:46,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:45" (1/1) ... [2023-11-19 03:15:46,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:45" (1/1) ... [2023-11-19 03:15:46,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:45" (1/1) ... [2023-11-19 03:15:46,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:46,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:46,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:46,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:46,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:45" (1/1) ... [2023-11-19 03:15:46,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:46,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:46,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:46,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:15:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:15:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:46,307 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:46,309 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:47,146 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:48,173 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:48,173 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:15:48,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:48 BoogieIcfgContainer [2023-11-19 03:15:48,180 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:48,182 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:48,182 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:48,194 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:48,194 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:48" (1/1) ... [2023-11-19 03:15:48,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:15:48,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:48,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:15:48,255 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:15:48,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:15:48,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:48,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:48,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:15:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:49,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:15:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:49,798 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:15:49,855 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:15:49,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:15:49 ImpRootNode [2023-11-19 03:15:49,872 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:15:49,875 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:15:49,876 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:15:49,876 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:15:49,877 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:48" (3/4) ... [2023-11-19 03:15:49,881 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:15:49,882 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:15:49,884 INFO L158 Benchmark]: Toolchain (without parser) took 4663.24ms. Allocated memory was 113.2MB in the beginning and 201.3MB in the end (delta: 88.1MB). Free memory was 68.0MB in the beginning and 124.7MB in the end (delta: -56.7MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2023-11-19 03:15:49,885 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 94.4MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:15:49,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.76ms. Allocated memory is still 113.2MB. Free memory was 67.6MB in the beginning and 49.1MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:15:49,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 144.33ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 49.1MB in the beginning and 126.8MB in the end (delta: -77.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-11-19 03:15:49,889 INFO L158 Benchmark]: Boogie Preprocessor took 106.31ms. Allocated memory is still 163.6MB. Free memory was 126.8MB in the beginning and 121.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:15:49,890 INFO L158 Benchmark]: RCFGBuilder took 2138.35ms. Allocated memory is still 163.6MB. Free memory was 121.6MB in the beginning and 89.7MB in the end (delta: 31.8MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. [2023-11-19 03:15:49,892 INFO L158 Benchmark]: CodeCheck took 1690.60ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 89.7MB in the beginning and 125.8MB in the end (delta: -36.0MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2023-11-19 03:15:49,892 INFO L158 Benchmark]: Witness Printer took 6.95ms. Allocated memory is still 201.3MB. Free memory was 125.8MB in the beginning and 124.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:15:49,905 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: 1.6s, 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, 0.2s 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 117. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_9 = 0; [L33] const SORT_5 var_22 = 0; [L34] const SORT_5 var_31 = 1; [L35] const SORT_1 var_109 = 1; [L37] SORT_1 input_2; [L38] SORT_1 input_3; [L39] SORT_1 input_4; [L40] SORT_5 input_6; [L41] SORT_5 input_7; [L42] SORT_5 input_8; [L43] SORT_5 input_35; [L44] SORT_5 input_37; [L45] SORT_5 input_39; [L46] SORT_5 input_51; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L48] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L49] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L50] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L51] SORT_5 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L52] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L53] SORT_5 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L54] SORT_5 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L55] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L56] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L57] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L58] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L58] SORT_5 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L59] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L60] SORT_5 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L61] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L62] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L63] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L64] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L64] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L65] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L66] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L67] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] SORT_1 init_11_arg_1 = var_9; [L70] state_10 = init_11_arg_1 [L71] SORT_1 init_13_arg_1 = var_9; [L72] state_12 = init_13_arg_1 [L73] SORT_1 init_19_arg_1 = var_9; [L74] state_18 = init_19_arg_1 [L75] SORT_5 init_24_arg_1 = var_22; [L76] state_23 = init_24_arg_1 [L77] SORT_1 init_27_arg_1 = var_9; [L78] state_26 = init_27_arg_1 [L79] SORT_5 init_42_arg_1 = var_22; [L80] state_41 = init_42_arg_1 [L81] SORT_5 init_44_arg_1 = var_22; [L82] state_43 = init_44_arg_1 [L83] SORT_1 init_46_arg_1 = var_9; [L84] state_45 = init_46_arg_1 [L85] SORT_1 init_48_arg_1 = var_9; [L86] state_47 = init_48_arg_1 [L87] SORT_1 init_50_arg_1 = var_9; [L88] state_49 = init_50_arg_1 [L89] SORT_5 init_54_arg_1 = var_22; [L90] state_53 = init_54_arg_1 [L91] SORT_1 init_56_arg_1 = var_9; [L92] state_55 = init_56_arg_1 [L93] SORT_5 init_58_arg_1 = var_22; [L94] state_57 = init_58_arg_1 [L95] SORT_1 init_60_arg_1 = var_9; [L96] state_59 = init_60_arg_1 [L97] SORT_1 init_63_arg_1 = var_9; [L98] state_62 = init_63_arg_1 [L99] SORT_1 init_65_arg_1 = var_9; [L100] state_64 = init_65_arg_1 [L101] SORT_1 init_67_arg_1 = var_9; [L102] state_66 = init_67_arg_1 [L103] SORT_1 init_69_arg_1 = var_9; [L104] state_68 = init_69_arg_1 [L105] SORT_1 init_71_arg_1 = var_9; [L106] state_70 = init_71_arg_1 [L107] SORT_1 init_73_arg_1 = var_9; [L108] state_72 = init_73_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_19_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_18=0, state_23=0, state_26=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_53=0, state_55=0, state_57=0, state_59=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, var_109=1, var_22=0, var_31=1, var_9=0] [L111] input_2 = __VERIFIER_nondet_uchar() [L112] input_3 = __VERIFIER_nondet_uchar() [L113] input_4 = __VERIFIER_nondet_uchar() [L114] input_6 = __VERIFIER_nondet_uchar() [L115] input_7 = __VERIFIER_nondet_uchar() [L116] input_8 = __VERIFIER_nondet_uchar() [L117] EXPR input_8 & mask_SORT_5 [L117] input_8 = input_8 & mask_SORT_5 [L118] input_35 = __VERIFIER_nondet_uchar() [L119] input_37 = __VERIFIER_nondet_uchar() [L120] input_39 = __VERIFIER_nondet_uchar() [L121] input_51 = __VERIFIER_nondet_uchar() [L124] SORT_1 var_16_arg_0 = state_10; [L125] SORT_5 var_16 = var_16_arg_0 >> 0; [L126] EXPR var_16 & mask_SORT_5 [L126] var_16 = var_16 & mask_SORT_5 [L127] SORT_1 var_15_arg_0 = state_10; [L128] SORT_1 var_15_arg_1 = state_12; [L129] SORT_1 var_15 = var_15_arg_0 + var_15_arg_1; [L130] SORT_1 var_14_arg_0 = state_10; [L131] SORT_1 var_14_arg_1 = state_12; [L132] SORT_1 var_14 = var_14_arg_0 - var_14_arg_1; [L133] SORT_5 var_17_arg_0 = var_16; [L134] SORT_1 var_17_arg_1 = var_15; [L135] SORT_1 var_17_arg_2 = var_14; [L136] SORT_1 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L137] SORT_1 var_21_arg_0 = var_17; [L138] SORT_1 var_21_arg_1 = state_18; [L139] SORT_1 var_21 = var_21_arg_0 + var_21_arg_1; [L140] SORT_1 var_20_arg_0 = var_17; [L141] SORT_1 var_20_arg_1 = state_18; [L142] SORT_1 var_20 = var_20_arg_0 - var_20_arg_1; [L143] SORT_5 var_25_arg_0 = state_23; [L144] SORT_1 var_25_arg_1 = var_21; [L145] SORT_1 var_25_arg_2 = var_20; [L146] SORT_1 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L147] EXPR var_25 & mask_SORT_1 [L147] var_25 = var_25 & mask_SORT_1 [L148] SORT_1 var_28_arg_0 = var_25; [L149] SORT_1 var_28_arg_1 = state_26; [L150] SORT_5 var_28 = var_28_arg_0 == var_28_arg_1; [L151] SORT_5 var_32_arg_0 = var_28; [L152] SORT_5 var_32 = ~var_32_arg_0; [L153] SORT_5 var_33_arg_0 = var_31; [L154] SORT_5 var_33_arg_1 = var_32; [L155] EXPR var_33_arg_0 & var_33_arg_1 [L155] SORT_5 var_33 = var_33_arg_0 & var_33_arg_1; [L156] EXPR var_33 & mask_SORT_5 [L156] var_33 = var_33 & mask_SORT_5 [L157] SORT_5 bad_34_arg_0 = var_33; [L158] CALL __VERIFIER_assert(!(bad_34_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 94.4MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.76ms. Allocated memory is still 113.2MB. Free memory was 67.6MB in the beginning and 49.1MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 144.33ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 49.1MB in the beginning and 126.8MB in the end (delta: -77.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.31ms. Allocated memory is still 163.6MB. Free memory was 126.8MB in the beginning and 121.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2138.35ms. Allocated memory is still 163.6MB. Free memory was 121.6MB in the beginning and 89.7MB in the end (delta: 31.8MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. * CodeCheck took 1690.60ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 89.7MB in the beginning and 125.8MB in the end (delta: -36.0MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. * Witness Printer took 6.95ms. Allocated memory is still 201.3MB. Free memory was 125.8MB in the beginning and 124.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:15:49,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/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 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_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/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_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/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_81271aa7-a9c4-4447-a195-0b1f68cadc0b/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 2200532e3403e6f1ac3d9b38640c6756b6cab2fade9669ac03b78883e92f67bb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:52,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:52,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-19 03:15:52,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:52,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:52,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:52,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:52,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:52,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:52,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:52,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:52,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:52,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:52,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:52,931 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:15:52,932 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:15:52,932 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:15:52,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:52,933 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:52,935 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:52,935 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:52,936 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:52,936 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:15:52,937 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:15:52,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:52,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:52,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:52,938 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:52,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:52,939 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:15:52,941 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:15:52,941 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:52,941 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:15:52,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:15:52,942 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_81271aa7-a9c4-4447-a195-0b1f68cadc0b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2200532e3403e6f1ac3d9b38640c6756b6cab2fade9669ac03b78883e92f67bb [2023-11-19 03:15:53,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:53,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:53,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:53,414 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:53,414 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:53,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c [2023-11-19 03:15:56,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:57,136 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:57,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c [2023-11-19 03:15:57,149 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/data/a648e77a7/bd23c9aec50342b9a23e9ea2dbb77756/FLAG226859913 [2023-11-19 03:15:57,176 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/data/a648e77a7/bd23c9aec50342b9a23e9ea2dbb77756 [2023-11-19 03:15:57,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:57,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:57,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:57,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:57,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:57,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:57" (1/1) ... [2023-11-19 03:15:57,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d2cd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:57, skipping insertion in model container [2023-11-19 03:15:57,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:57" (1/1) ... [2023-11-19 03:15:57,236 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:57,453 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_81271aa7-a9c4-4447-a195-0b1f68cadc0b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c[1249,1262] [2023-11-19 03:15:57,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:57,609 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:57,641 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_81271aa7-a9c4-4447-a195-0b1f68cadc0b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v6.c[1249,1262] [2023-11-19 03:15:57,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:57,765 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:57,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:57 WrapperNode [2023-11-19 03:15:57,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:57,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:57,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:57,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:57,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:57" (1/1) ... [2023-11-19 03:15:57,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:57" (1/1) ... [2023-11-19 03:15:57,868 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 361 [2023-11-19 03:15:57,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:57,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:57,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:57,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:57,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:57" (1/1) ... [2023-11-19 03:15:57,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:57" (1/1) ... [2023-11-19 03:15:57,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:57" (1/1) ... [2023-11-19 03:15:57,887 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:57" (1/1) ... [2023-11-19 03:15:57,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:57" (1/1) ... [2023-11-19 03:15:57,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:57" (1/1) ... [2023-11-19 03:15:57,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:57" (1/1) ... [2023-11-19 03:15:57,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:57" (1/1) ... [2023-11-19 03:15:57,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:57,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:57,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:57,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:57,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:57" (1/1) ... [2023-11-19 03:15:57,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:57,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:58,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:58,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:58,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:15:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:15:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:58,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:58,188 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:58,190 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:58,634 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:58,719 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:58,719 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:15:58,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:58 BoogieIcfgContainer [2023-11-19 03:15:58,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:58,724 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:58,725 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:58,735 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:58,735 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:58" (1/1) ... [2023-11-19 03:15:58,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:15:58,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:58,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:15:58,800 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:15:58,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:15:58,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:58,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:15:58,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:15:58,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:15:58,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:15:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:59,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:15:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:59,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 03:15:59,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:59,676 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 03:15:59,679 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:15:59,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 03:15:59,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:59,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-19 03:15:59,798 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-19 03:15:59,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:15:59,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:59,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:15:59,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:15:59,804 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:15:59,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:16:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:00,100 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:16:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:00,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 96 conjunts are in the unsatisfiable core [2023-11-19 03:16:00,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:01,805 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 03:16:01,809 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:16:01,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:16:02,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 11 states and 17 transitions. [2023-11-19 03:16:02,677 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. [2023-11-19 03:16:02,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:16:02,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:02,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:16:02,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:16:02,679 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:16:02,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:16:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:03,063 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:16:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:03,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 150 conjunts are in the unsatisfiable core [2023-11-19 03:16:03,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:05,629 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 03:16:05,633 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:16:05,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-19 03:16:08,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:08,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 17 states and 36 transitions. [2023-11-19 03:16:08,723 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 36 transitions. [2023-11-19 03:16:08,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:16:08,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:08,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:16:08,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:16:08,728 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:16:08,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:16:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:09,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:16:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:11,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 216 conjunts are in the unsatisfiable core [2023-11-19 03:16:11,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:17,311 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:16:17,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-19 03:16:32,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 03:16:32,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:32,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 27 states and 75 transitions. [2023-11-19 03:16:32,937 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 75 transitions. [2023-11-19 03:16:32,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:16:32,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:32,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:16:32,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:16:32,939 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:16:32,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81271aa7-a9c4-4447-a195-0b1f68cadc0b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process