./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/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_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/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_a21cb767-61de-457f-92c7-d060f1199f44/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 c14eea1490451e84235fd4f93f05fdff3c411b2c5f93e6c8c24af5ce00f88831 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:04:13,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:04:13,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-23 20:04:13,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:04:13,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:04:13,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:04:13,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:04:13,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:04:13,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:04:13,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:04:13,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:04:13,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:04:13,258 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:04:13,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:04:13,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:04:13,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:04:13,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:04:13,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:04:13,262 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:04:13,263 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:04:13,263 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:04:13,263 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:04:13,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:04:13,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:04:13,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:04:13,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:04:13,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:04:13,266 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:04:13,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:04:13,267 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:04:13,268 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_a21cb767-61de-457f-92c7-d060f1199f44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c14eea1490451e84235fd4f93f05fdff3c411b2c5f93e6c8c24af5ce00f88831 [2023-11-23 20:04:13,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:04:13,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:04:13,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:04:13,614 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:04:13,614 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:04:13,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c [2023-11-23 20:04:16,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:04:17,005 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:04:17,006 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c [2023-11-23 20:04:17,020 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/data/53f76a34f/fbb8674bc8e943d18e9aef5627d3e863/FLAG4fd7bfe61 [2023-11-23 20:04:17,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/data/53f76a34f/fbb8674bc8e943d18e9aef5627d3e863 [2023-11-23 20:04:17,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:04:17,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:04:17,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:04:17,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:04:17,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:04:17,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:17" (1/1) ... [2023-11-23 20:04:17,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7fe94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:17, skipping insertion in model container [2023-11-23 20:04:17,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:17" (1/1) ... [2023-11-23 20:04:17,094 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:04:17,371 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_a21cb767-61de-457f-92c7-d060f1199f44/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c[1248,1261] [2023-11-23 20:04:17,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:04:17,638 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:04:17,650 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_a21cb767-61de-457f-92c7-d060f1199f44/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c[1248,1261] [2023-11-23 20:04:17,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:04:17,754 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:04:17,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:17 WrapperNode [2023-11-23 20:04:17,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:04:17,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:04:17,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:04:17,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:04:17,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:17" (1/1) ... [2023-11-23 20:04:17,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:17" (1/1) ... [2023-11-23 20:04:17,979 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1360 [2023-11-23 20:04:17,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:04:17,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:04:17,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:04:17,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:04:17,990 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:17" (1/1) ... [2023-11-23 20:04:17,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:17" (1/1) ... [2023-11-23 20:04:18,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:17" (1/1) ... [2023-11-23 20:04:18,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:17" (1/1) ... [2023-11-23 20:04:18,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:17" (1/1) ... [2023-11-23 20:04:18,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:17" (1/1) ... [2023-11-23 20:04:18,144 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:17" (1/1) ... [2023-11-23 20:04:18,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:17" (1/1) ... [2023-11-23 20:04:18,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:04:18,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:04:18,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:04:18,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:04:18,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:17" (1/1) ... [2023-11-23 20:04:18,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:04:18,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:04:18,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:04:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:04:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:04:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:04:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:04:18,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:04:18,589 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:04:18,591 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:04:20,023 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:04:22,208 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:04:22,209 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:04:22,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:22 BoogieIcfgContainer [2023-11-23 20:04:22,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:04:22,212 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:04:22,212 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:04:22,222 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:04:22,222 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:22" (1/1) ... [2023-11-23 20:04:22,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:04:22,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:22,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-23 20:04:22,299 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-23 20:04:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:04:22,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:22,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:04:22,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:04:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:04:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:04:23,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:04:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:04:23,455 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:04:23,485 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 20:04:23,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:04:23 ImpRootNode [2023-11-23 20:04:23,493 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:04:23,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:04:23,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:04:23,494 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:04:23,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:22" (3/4) ... [2023-11-23 20:04:23,497 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:04:23,498 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:04:23,499 INFO L158 Benchmark]: Toolchain (without parser) took 6459.87ms. Allocated memory was 138.4MB in the beginning and 350.2MB in the end (delta: 211.8MB). Free memory was 79.2MB in the beginning and 181.7MB in the end (delta: -102.5MB). Peak memory consumption was 109.5MB. Max. memory is 16.1GB. [2023-11-23 20:04:23,500 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 138.4MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:04:23,500 INFO L158 Benchmark]: CACSL2BoogieTranslator took 713.95ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 79.1MB in the beginning and 145.0MB in the end (delta: -65.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:04:23,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 224.37ms. Allocated memory is still 197.1MB. Free memory was 145.0MB in the beginning and 117.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-23 20:04:23,502 INFO L158 Benchmark]: Boogie Preprocessor took 251.47ms. Allocated memory is still 197.1MB. Free memory was 117.7MB in the beginning and 108.2MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:04:23,503 INFO L158 Benchmark]: RCFGBuilder took 3978.61ms. Allocated memory was 197.1MB in the beginning and 350.2MB in the end (delta: 153.1MB). Free memory was 108.2MB in the beginning and 234.2MB in the end (delta: -126.0MB). Peak memory consumption was 100.1MB. Max. memory is 16.1GB. [2023-11-23 20:04:23,503 INFO L158 Benchmark]: CodeCheck took 1281.56ms. Allocated memory is still 350.2MB. Free memory was 234.2MB in the beginning and 181.7MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-23 20:04:23,504 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 350.2MB. Free memory is still 181.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:04:23,508 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: 1.2s, 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: 0.1s 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 129. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 3); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (3 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 2); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (2 - 1); [L35] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); [L36] const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); [L38] const SORT_22 mask_SORT_22 = (SORT_22)-1 >> (sizeof(SORT_22) * 8 - 16); [L39] const SORT_22 msb_SORT_22 = (SORT_22)1 << (16 - 1); [L41] const SORT_68 mask_SORT_68 = (SORT_68)-1 >> (sizeof(SORT_68) * 8 - 13); [L42] const SORT_68 msb_SORT_68 = (SORT_68)1 << (13 - 1); [L44] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 6); [L45] const SORT_71 msb_SORT_71 = (SORT_71)1 << (6 - 1); [L47] const SORT_73 mask_SORT_73 = (SORT_73)-1 >> (sizeof(SORT_73) * 8 - 10); [L48] const SORT_73 msb_SORT_73 = (SORT_73)1 << (10 - 1); [L50] const SORT_79 mask_SORT_79 = (SORT_79)-1 >> (sizeof(SORT_79) * 8 - 9); [L51] const SORT_79 msb_SORT_79 = (SORT_79)1 << (9 - 1); [L53] const SORT_81 mask_SORT_81 = (SORT_81)-1 >> (sizeof(SORT_81) * 8 - 7); [L54] const SORT_81 msb_SORT_81 = (SORT_81)1 << (7 - 1); [L56] const SORT_84 mask_SORT_84 = (SORT_84)-1 >> (sizeof(SORT_84) * 8 - 12); [L57] const SORT_84 msb_SORT_84 = (SORT_84)1 << (12 - 1); [L59] const SORT_86 mask_SORT_86 = (SORT_86)-1 >> (sizeof(SORT_86) * 8 - 4); [L60] const SORT_86 msb_SORT_86 = (SORT_86)1 << (4 - 1); [L62] const SORT_1 var_7 = 0; [L63] const SORT_10 var_12 = 0; [L64] const SORT_1 var_16 = 1; [L65] const SORT_22 var_23 = 8; [L66] const SORT_22 var_24 = 10; [L67] const SORT_3 var_25 = 1; [L68] const SORT_22 var_28 = 88; [L69] const SORT_22 var_29 = 584; [L70] const SORT_3 var_30 = 3; [L71] const SORT_3 var_33 = 2; [L72] const SORT_22 var_37 = 705; [L73] const SORT_22 var_38 = 611; [L74] const SORT_3 var_39 = 5; [L75] const SORT_22 var_42 = 50825; [L76] const SORT_3 var_43 = 7; [L77] const SORT_3 var_46 = 6; [L78] const SORT_3 var_50 = 4; [L79] const SORT_22 var_65 = 0; [L80] const SORT_3 var_67 = 0; [L81] const SORT_71 var_72 = 0; [L82] const SORT_5 var_76 = 1; [L83] const SORT_79 var_80 = 0; [L84] const SORT_84 var_85 = 0; [L85] const SORT_5 var_89 = 3; [L86] const SORT_5 var_92 = 2; [L87] const SORT_68 var_97 = 1; [L88] const SORT_22 var_100 = 32767; [L89] const SORT_5 var_105 = 0; [L90] const SORT_73 var_119 = 1; [L91] const SORT_81 var_131 = 1; [L92] const SORT_86 var_141 = 1; [L94] SORT_1 input_2; [L95] SORT_3 input_4; [L96] SORT_5 input_6; [L97] SORT_22 input_66; [L98] SORT_22 input_96; [L99] SORT_22 input_108; [L100] SORT_22 input_109; [L101] SORT_22 input_118; [L102] SORT_22 input_130; [L103] SORT_22 input_140; [L104] SORT_22 input_157; [L105] SORT_22 input_166; [L106] SORT_22 input_170; [L107] SORT_22 input_179; [L108] SORT_22 input_181; [L109] SORT_22 input_190; [L110] SORT_22 input_197; [L111] SORT_22 input_201; [L112] SORT_22 input_204; [L113] SORT_22 input_206; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_ushort() & mask_SORT_22 [L117] SORT_22 state_58 = __VERIFIER_nondet_ushort() & mask_SORT_22; [L119] SORT_1 init_9_arg_1 = var_7; [L120] state_8 = init_9_arg_1 [L121] SORT_1 init_21_arg_1 = var_16; [L122] state_20 = init_21_arg_1 [L123] SORT_22 init_59_arg_1 = var_23; [L124] state_58 = init_59_arg_1 VAL [init_21_arg_1=1, init_59_arg_1=8, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_22=65535, mask_SORT_3=7, mask_SORT_5=3, mask_SORT_68=8191, mask_SORT_71=63, mask_SORT_73=1023, mask_SORT_79=511, mask_SORT_81=127, mask_SORT_84=4095, mask_SORT_86=15, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_22=32768, msb_SORT_3=4, msb_SORT_5=2, msb_SORT_68=4096, msb_SORT_71=32, msb_SORT_73=512, msb_SORT_79=256, msb_SORT_81=64, msb_SORT_84=2048, msb_SORT_86=8, state_20=1, state_58=8, state_8=0, var_100=32767, var_105=0, var_119=1, var_12=0, var_131=1, var_141=1, var_16=1, var_23=8, var_24=10, var_25=1, var_28=88, var_29=584, var_30=3, var_33=2, var_37=705, var_38=611, var_39=5, var_42=50825, var_43=7, var_46=6, var_50=4, var_65=0, var_67=0, var_72=0, var_76=1, var_7=0, var_80=0, var_85=0, var_89=3, var_92=2, var_97=1] [L127] input_2 = __VERIFIER_nondet_uchar() [L128] input_4 = __VERIFIER_nondet_uchar() [L129] EXPR input_4 & mask_SORT_3 [L129] input_4 = input_4 & mask_SORT_3 [L130] input_6 = __VERIFIER_nondet_uchar() [L131] EXPR input_6 & mask_SORT_5 [L131] input_6 = input_6 & mask_SORT_5 [L132] input_66 = __VERIFIER_nondet_ushort() [L133] input_96 = __VERIFIER_nondet_ushort() [L134] input_108 = __VERIFIER_nondet_ushort() [L135] input_109 = __VERIFIER_nondet_ushort() [L136] input_118 = __VERIFIER_nondet_ushort() [L137] input_130 = __VERIFIER_nondet_ushort() [L138] input_140 = __VERIFIER_nondet_ushort() [L139] input_157 = __VERIFIER_nondet_ushort() [L140] input_166 = __VERIFIER_nondet_ushort() [L141] input_170 = __VERIFIER_nondet_ushort() [L142] input_179 = __VERIFIER_nondet_ushort() [L143] input_181 = __VERIFIER_nondet_ushort() [L144] input_190 = __VERIFIER_nondet_ushort() [L145] input_197 = __VERIFIER_nondet_ushort() [L146] input_201 = __VERIFIER_nondet_ushort() [L147] input_204 = __VERIFIER_nondet_ushort() [L148] input_206 = __VERIFIER_nondet_ushort() [L151] SORT_1 var_11_arg_0 = state_8; [L152] EXPR var_11_arg_0 & mask_SORT_1 [L152] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L153] SORT_10 var_11 = var_11_arg_0; [L154] SORT_10 var_13_arg_0 = var_11; [L155] SORT_10 var_13_arg_1 = var_12; [L156] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L157] SORT_1 var_17_arg_0 = var_13; [L158] SORT_1 var_17 = ~var_17_arg_0; [L159] SORT_1 var_18_arg_0 = var_16; [L160] SORT_1 var_18_arg_1 = var_17; [L161] EXPR var_18_arg_0 & var_18_arg_1 [L161] SORT_1 var_18 = var_18_arg_0 & var_18_arg_1; [L162] EXPR var_18 & mask_SORT_1 [L162] var_18 = var_18 & mask_SORT_1 [L163] SORT_1 bad_19_arg_0 = var_18; [L164] CALL __VERIFIER_assert(!(bad_19_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 0.27ms. Allocated memory is still 138.4MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 713.95ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 79.1MB in the beginning and 145.0MB in the end (delta: -65.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 224.37ms. Allocated memory is still 197.1MB. Free memory was 145.0MB in the beginning and 117.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 251.47ms. Allocated memory is still 197.1MB. Free memory was 117.7MB in the beginning and 108.2MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3978.61ms. Allocated memory was 197.1MB in the beginning and 350.2MB in the end (delta: 153.1MB). Free memory was 108.2MB in the beginning and 234.2MB in the end (delta: -126.0MB). Peak memory consumption was 100.1MB. Max. memory is 16.1GB. * CodeCheck took 1281.56ms. Allocated memory is still 350.2MB. Free memory was 234.2MB in the beginning and 181.7MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 350.2MB. Free memory is still 181.7MB. 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 20:04:23,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/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_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/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_a21cb767-61de-457f-92c7-d060f1199f44/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 c14eea1490451e84235fd4f93f05fdff3c411b2c5f93e6c8c24af5ce00f88831 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:04:26,224 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:04:26,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-23 20:04:26,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:04:26,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:04:26,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:04:26,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:04:26,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:04:26,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:04:26,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:04:26,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:04:26,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:04:26,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:04:26,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:04:26,413 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:04:26,414 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:04:26,414 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:04:26,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:04:26,415 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:04:26,417 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:04:26,417 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:04:26,418 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:04:26,418 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:04:26,418 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:04:26,419 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:04:26,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:04:26,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:04:26,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:04:26,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:04:26,421 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:04:26,422 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:04:26,423 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:04:26,423 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:04:26,423 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:04:26,424 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_a21cb767-61de-457f-92c7-d060f1199f44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c14eea1490451e84235fd4f93f05fdff3c411b2c5f93e6c8c24af5ce00f88831 [2023-11-23 20:04:26,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:04:26,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:04:26,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:04:26,864 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:04:26,864 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:04:26,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c [2023-11-23 20:04:29,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:04:30,368 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:04:30,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c [2023-11-23 20:04:30,387 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/data/897dcafeb/a0e2af69d3244eb6afc99ebda0c0114d/FLAG9addc6ad2 [2023-11-23 20:04:30,407 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/data/897dcafeb/a0e2af69d3244eb6afc99ebda0c0114d [2023-11-23 20:04:30,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:04:30,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:04:30,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:04:30,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:04:30,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:04:30,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:30" (1/1) ... [2023-11-23 20:04:30,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d1ddb0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:30, skipping insertion in model container [2023-11-23 20:04:30,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:30" (1/1) ... [2023-11-23 20:04:30,487 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:04:30,711 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_a21cb767-61de-457f-92c7-d060f1199f44/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c[1248,1261] [2023-11-23 20:04:30,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:04:30,917 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:04:30,929 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_a21cb767-61de-457f-92c7-d060f1199f44/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_Unidec.c[1248,1261] [2023-11-23 20:04:31,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:04:31,052 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:04:31,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:31 WrapperNode [2023-11-23 20:04:31,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:04:31,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:04:31,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:04:31,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:04:31,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:31" (1/1) ... [2023-11-23 20:04:31,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:31" (1/1) ... [2023-11-23 20:04:31,165 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 670 [2023-11-23 20:04:31,165 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:04:31,166 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:04:31,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:04:31,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:04:31,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:31" (1/1) ... [2023-11-23 20:04:31,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:31" (1/1) ... [2023-11-23 20:04:31,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:31" (1/1) ... [2023-11-23 20:04:31,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:31" (1/1) ... [2023-11-23 20:04:31,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:31" (1/1) ... [2023-11-23 20:04:31,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:31" (1/1) ... [2023-11-23 20:04:31,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:31" (1/1) ... [2023-11-23 20:04:31,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:31" (1/1) ... [2023-11-23 20:04:31,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:04:31,281 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:04:31,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:04:31,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:04:31,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:31" (1/1) ... [2023-11-23 20:04:31,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:04:31,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:04:31,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:04:31,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:04:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:04:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:04:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:04:31,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:04:31,567 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:04:31,569 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:04:32,527 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:04:32,598 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:04:32,598 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:04:32,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:32 BoogieIcfgContainer [2023-11-23 20:04:32,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:04:32,601 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:04:32,601 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:04:32,611 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:04:32,612 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:32" (1/1) ... [2023-11-23 20:04:32,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:04:32,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:32,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-23 20:04:32,688 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-23 20:04:32,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:04:32,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:32,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:04:32,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:04:32,694 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:04:32,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:04:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:33,075 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:04:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:33,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:04:33,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:33,443 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 20:04:33,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:04:33,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:33,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-23 20:04:33,610 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-23 20:04:33,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:04:33,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:33,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:04:33,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:04:33,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:04:33,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:04:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:34,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:04:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:34,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-23 20:04:34,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:34,800 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 20:04:34,806 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:04:34,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:04:35,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:35,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 11 states and 17 transitions. [2023-11-23 20:04:35,801 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. [2023-11-23 20:04:35,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:04:35,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:35,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:04:35,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:04:35,805 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:04:35,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21cb767-61de-457f-92c7-d060f1199f44/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:04:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:37,443 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:04:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:38,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 407 conjunts are in the unsatisfiable core [2023-11-23 20:04:38,239 INFO L285 TraceCheckSpWp]: Computing forward predicates...