./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.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_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/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_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/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_20d01dab-fef7-494f-b693-14a27dfb8bce/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 db87c07dbb7452fd246a98fbd617147a32e88270b5156b64dd08a046f6919e1f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:14,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:14,600 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 04:03:14,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:03:14,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:03:14,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:14,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:03:14,655 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:03:14,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:14,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:14,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:14,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:03:14,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:03:14,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:14,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:03:14,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:14,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:03:14,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:03:14,668 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:14,668 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:14,669 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:14,670 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:14,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:14,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:14,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:14,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:14,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:03:14,673 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:03:14,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:03:14,674 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:03:14,675 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_20d01dab-fef7-494f-b693-14a27dfb8bce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db87c07dbb7452fd246a98fbd617147a32e88270b5156b64dd08a046f6919e1f [2023-11-19 04:03:15,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:15,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:15,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:15,039 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:15,039 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:15,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c [2023-11-19 04:03:18,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:18,451 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:18,452 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c [2023-11-19 04:03:18,463 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/data/f565c8d4d/822accb499f74382a45dfb15054b25a8/FLAG2ffd758ce [2023-11-19 04:03:18,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/data/f565c8d4d/822accb499f74382a45dfb15054b25a8 [2023-11-19 04:03:18,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:18,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:18,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:18,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:18,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:18,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16e5330a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18, skipping insertion in model container [2023-11-19 04:03:18,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,529 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:18,699 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_20d01dab-fef7-494f-b693-14a27dfb8bce/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c[1259,1272] [2023-11-19 04:03:18,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:18,787 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:18,796 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_20d01dab-fef7-494f-b693-14a27dfb8bce/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c[1259,1272] [2023-11-19 04:03:18,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:18,863 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:18,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18 WrapperNode [2023-11-19 04:03:18,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:18,865 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:18,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:18,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:18,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,989 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 480 [2023-11-19 04:03:18,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:18,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:18,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:18,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:19,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:19,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:19,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:19,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:19,080 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:19,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:19,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:19,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:19,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:03:19,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:03:19,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:03:19,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:03:19,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:19,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:19,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:03:19,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:03:19,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:03:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:03:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:03:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:03:19,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:03:19,343 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:03:19,346 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:03:20,176 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:20,849 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:20,849 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:03:20,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:20 BoogieIcfgContainer [2023-11-19 04:03:20,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:03:20,855 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:03:20,855 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:03:20,866 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:03:20,866 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:20" (1/1) ... [2023-11-19 04:03:20,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:03:20,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:20,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 04:03:20,952 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 04:03:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:03:20,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:20,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:22,774 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 04:03:23,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:23,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-19 04:03:23,309 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-19 04:03:23,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:03:23,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:23,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:24,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:03:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:25,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:03:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:26,269 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 04:03:26,317 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 04:03:26,321 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 04:03:26,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:03:26 ImpRootNode [2023-11-19 04:03:26,341 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:03:26,342 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:03:26,342 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:03:26,343 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:03:26,344 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:20" (3/4) ... [2023-11-19 04:03:26,349 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:03:26,350 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:03:26,352 INFO L158 Benchmark]: Toolchain (without parser) took 7860.93ms. Allocated memory was 146.8MB in the beginning and 247.5MB in the end (delta: 100.7MB). Free memory was 117.4MB in the beginning and 93.5MB in the end (delta: 24.0MB). Peak memory consumption was 127.6MB. Max. memory is 16.1GB. [2023-11-19 04:03:26,353 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory was 68.9MB in the beginning and 68.8MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:26,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.34ms. Allocated memory is still 146.8MB. Free memory was 117.3MB in the beginning and 102.2MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:03:26,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.95ms. Allocated memory is still 146.8MB. Free memory was 102.2MB in the beginning and 92.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:03:26,356 INFO L158 Benchmark]: Boogie Preprocessor took 165.04ms. Allocated memory is still 146.8MB. Free memory was 92.8MB in the beginning and 89.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:03:26,357 INFO L158 Benchmark]: RCFGBuilder took 1697.43ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 88.9MB in the beginning and 104.3MB in the end (delta: -15.3MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2023-11-19 04:03:26,362 INFO L158 Benchmark]: CodeCheck took 5486.23ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 104.3MB in the beginning and 93.5MB in the end (delta: 10.8MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2023-11-19 04:03:26,363 INFO L158 Benchmark]: Witness Printer took 8.32ms. Allocated memory is still 247.5MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:26,371 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: 5.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 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, 1.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 bitwiseOr at line 98, overapproximation of bitwiseAnd at line 111. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 3); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (3 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 8); [L33] const SORT_12 msb_SORT_12 = (SORT_12)1 << (8 - 1); [L35] const SORT_3 var_14 = 0; [L36] const SORT_3 var_29 = 1; [L38] SORT_1 input_2; [L39] SORT_3 input_4; [L40] SORT_3 input_5; [L41] SORT_3 input_6; [L42] SORT_3 input_7; [L43] SORT_3 input_8; [L44] SORT_3 input_9; [L45] SORT_3 input_10; [L46] SORT_3 input_11; [L47] SORT_12 input_13; [L48] SORT_12 input_33; [L49] SORT_12 input_35; [L50] SORT_3 input_37; [L51] SORT_3 input_39; [L52] SORT_12 input_83; [L53] SORT_3 input_89; [L54] SORT_1 input_92; [L55] SORT_3 input_94; [L56] SORT_3 input_96; [L57] SORT_3 input_98; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L59] SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L60] SORT_3 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L61] SORT_3 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L62] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L64] SORT_3 init_16_arg_1 = var_14; [L65] state_15 = init_16_arg_1 [L66] SORT_3 init_18_arg_1 = var_14; [L67] state_17 = init_18_arg_1 [L68] SORT_3 init_21_arg_1 = var_14; [L69] state_20 = init_21_arg_1 [L70] SORT_3 init_25_arg_1 = var_14; [L71] state_24 = init_25_arg_1 VAL [init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, mask_SORT_12=255, mask_SORT_1=7, mask_SORT_3=1, msb_SORT_12=128, msb_SORT_1=4, msb_SORT_3=1, state_15=0, state_17=0, state_20=0, state_24=0, var_14=0, var_29=1] [L74] input_2 = __VERIFIER_nondet_uchar() [L75] input_4 = __VERIFIER_nondet_uchar() [L76] input_5 = __VERIFIER_nondet_uchar() [L77] input_6 = __VERIFIER_nondet_uchar() [L78] input_7 = __VERIFIER_nondet_uchar() [L79] input_8 = __VERIFIER_nondet_uchar() [L80] input_9 = __VERIFIER_nondet_uchar() [L81] input_10 = __VERIFIER_nondet_uchar() [L82] input_11 = __VERIFIER_nondet_uchar() [L83] input_13 = __VERIFIER_nondet_uchar() [L84] input_33 = __VERIFIER_nondet_uchar() [L85] input_35 = __VERIFIER_nondet_uchar() [L86] input_37 = __VERIFIER_nondet_uchar() [L87] input_39 = __VERIFIER_nondet_uchar() [L88] input_83 = __VERIFIER_nondet_uchar() [L89] input_89 = __VERIFIER_nondet_uchar() [L90] input_92 = __VERIFIER_nondet_uchar() [L91] input_94 = __VERIFIER_nondet_uchar() [L92] input_96 = __VERIFIER_nondet_uchar() [L93] input_98 = __VERIFIER_nondet_uchar() [L96] SORT_3 var_19_arg_0 = state_15; [L97] SORT_3 var_19_arg_1 = state_17; [L98] EXPR var_19_arg_0 | var_19_arg_1 [L98] SORT_3 var_19 = var_19_arg_0 | var_19_arg_1; [L99] SORT_3 var_22_arg_0 = var_19; [L100] SORT_3 var_22_arg_1 = state_20; [L101] EXPR var_22_arg_0 | var_22_arg_1 [L101] SORT_3 var_22 = var_22_arg_0 | var_22_arg_1; [L102] SORT_3 var_23_arg_0 = var_22; [L103] SORT_3 var_23 = ~var_23_arg_0; [L104] SORT_3 var_26_arg_0 = var_23; [L105] SORT_3 var_26_arg_1 = state_24; [L106] EXPR var_26_arg_0 | var_26_arg_1 [L106] SORT_3 var_26 = var_26_arg_0 | var_26_arg_1; [L107] SORT_3 var_30_arg_0 = var_26; [L108] SORT_3 var_30 = ~var_30_arg_0; [L109] SORT_3 var_31_arg_0 = var_29; [L110] SORT_3 var_31_arg_1 = var_30; [L111] EXPR var_31_arg_0 & var_31_arg_1 [L111] SORT_3 var_31 = var_31_arg_0 & var_31_arg_1; [L112] EXPR var_31 & mask_SORT_3 [L112] var_31 = var_31 & mask_SORT_3 [L113] SORT_3 bad_32_arg_0 = var_31; [L114] CALL __VERIFIER_assert(!(bad_32_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L114] RET __VERIFIER_assert(!(bad_32_arg_0)) [L116] SORT_3 var_41_arg_0 = state_17; [L117] SORT_3 var_41 = ~var_41_arg_0; [L118] SORT_3 var_42_arg_0 = state_15; [L119] SORT_3 var_42 = ~var_42_arg_0; [L120] SORT_3 var_43_arg_0 = var_42; [L121] SORT_3 var_43_arg_1 = state_20; [L122] EXPR var_43_arg_0 & var_43_arg_1 [L122] SORT_3 var_43 = var_43_arg_0 & var_43_arg_1; [L123] SORT_3 var_44_arg_0 = var_43; [L124] SORT_3 var_44 = ~var_44_arg_0; [L125] SORT_3 var_45_arg_0 = var_41; [L126] SORT_3 var_45_arg_1 = var_44; [L127] EXPR var_45_arg_0 | var_45_arg_1 [L127] SORT_3 var_45 = var_45_arg_0 | var_45_arg_1; [L128] SORT_3 var_46_arg_0 = var_45; [L129] SORT_3 var_46 = ~var_46_arg_0; [L130] SORT_3 var_47_arg_0 = state_17; [L131] SORT_3 var_47_arg_1 = state_20; [L132] EXPR var_47_arg_0 & var_47_arg_1 [L132] SORT_3 var_47 = var_47_arg_0 & var_47_arg_1; [L133] SORT_3 var_48_arg_0 = var_42; [L134] SORT_3 var_48_arg_1 = var_47; [L135] EXPR var_48_arg_0 | var_48_arg_1 [L135] SORT_3 var_48 = var_48_arg_0 | var_48_arg_1; [L136] SORT_3 var_49_arg_0 = var_48; [L137] SORT_3 var_49 = ~var_49_arg_0; [L138] SORT_3 var_50_arg_0 = var_46; [L139] SORT_3 var_50_arg_1 = var_49; [L140] EXPR var_50_arg_0 | var_50_arg_1 [L140] SORT_3 var_50 = var_50_arg_0 | var_50_arg_1; [L141] SORT_3 next_100_arg_1 = var_50; [L142] SORT_3 var_52_arg_0 = state_20; [L143] SORT_3 var_52 = ~var_52_arg_0; [L144] SORT_3 var_53_arg_0 = state_17; [L145] SORT_3 var_53_arg_1 = var_52; [L146] EXPR var_53_arg_0 | var_53_arg_1 [L146] SORT_3 var_53 = var_53_arg_0 | var_53_arg_1; [L147] SORT_3 var_54_arg_0 = state_17; [L148] SORT_3 var_54_arg_1 = var_52; [L149] EXPR var_54_arg_0 & var_54_arg_1 [L149] SORT_3 var_54 = var_54_arg_0 & var_54_arg_1; [L150] SORT_3 var_55_arg_0 = var_54; [L151] SORT_3 var_55 = ~var_55_arg_0; [L152] SORT_3 var_56_arg_0 = var_53; [L153] SORT_3 var_56_arg_1 = var_55; [L154] EXPR var_56_arg_0 & var_56_arg_1 [L154] SORT_3 var_56 = var_56_arg_0 & var_56_arg_1; [L155] SORT_3 var_57_arg_0 = var_56; [L156] SORT_3 var_57 = ~var_57_arg_0; [L157] SORT_3 next_101_arg_1 = var_57; [L158] SORT_1 var_59_arg_0 = input_2; [L159] SORT_3 var_59 = var_59_arg_0 >> 0; [L160] SORT_1 var_60_arg_0 = input_2; [L161] SORT_3 var_60 = var_60_arg_0 >> 2; [L162] SORT_3 var_61_arg_0 = var_60; [L163] SORT_3 var_61 = ~var_61_arg_0; [L164] SORT_1 var_62_arg_0 = input_2; [L165] SORT_3 var_62 = var_62_arg_0 >> 1; [L166] SORT_3 var_63_arg_0 = var_61; [L167] SORT_3 var_63_arg_1 = var_62; [L168] EXPR var_63_arg_0 | var_63_arg_1 [L168] SORT_3 var_63 = var_63_arg_0 | var_63_arg_1; [L169] SORT_3 var_64_arg_0 = var_59; [L170] SORT_3 var_64_arg_1 = var_63; [L171] EXPR var_64_arg_0 | var_64_arg_1 [L171] SORT_3 var_64 = var_64_arg_0 | var_64_arg_1; [L172] SORT_3 var_65_arg_0 = var_64; [L173] SORT_3 var_65 = ~var_65_arg_0; [L174] SORT_3 var_66_arg_0 = state_15; [L175] SORT_3 var_66_arg_1 = state_17; [L176] EXPR var_66_arg_0 | var_66_arg_1 [L176] SORT_3 var_66 = var_66_arg_0 | var_66_arg_1; [L177] SORT_3 var_67_arg_0 = var_65; [L178] SORT_3 var_67_arg_1 = var_66; [L179] EXPR var_67_arg_0 | var_67_arg_1 [L179] SORT_3 var_67 = var_67_arg_0 | var_67_arg_1; [L180] SORT_3 var_68_arg_0 = var_67; [L181] SORT_3 var_68_arg_1 = var_52; [L182] EXPR var_68_arg_0 & var_68_arg_1 [L182] SORT_3 var_68 = var_68_arg_0 & var_68_arg_1; [L183] SORT_3 next_102_arg_1 = var_68; [L184] SORT_3 var_85_arg_0 = var_65; [L185] SORT_3 var_85_arg_1 = state_17; [L186] EXPR var_85_arg_0 | var_85_arg_1 [L186] SORT_3 var_85 = var_85_arg_0 | var_85_arg_1; [L187] SORT_3 var_86_arg_0 = var_85; [L188] SORT_3 var_86_arg_1 = state_15; [L189] EXPR var_86_arg_0 | var_86_arg_1 [L189] SORT_3 var_86 = var_86_arg_0 | var_86_arg_1; [L190] SORT_3 var_87_arg_0 = var_86; [L191] SORT_3 var_87_arg_1 = state_20; [L192] EXPR var_87_arg_0 | var_87_arg_1 [L192] SORT_3 var_87 = var_87_arg_0 | var_87_arg_1; [L193] SORT_3 next_103_arg_1 = var_87; [L195] state_15 = next_100_arg_1 [L196] state_17 = next_101_arg_1 [L197] state_20 = next_102_arg_1 [L198] state_24 = next_103_arg_1 VAL [bad_32_arg_0=0, init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, input_2=2, mask_SORT_12=255, mask_SORT_1=7, mask_SORT_3=1, msb_SORT_12=128, msb_SORT_1=4, msb_SORT_3=1, next_100_arg_1=0, next_101_arg_1=0, next_102_arg_1=1, next_103_arg_1=254, state_15=0, state_17=0, state_20=1, state_24=254, var_14=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=255, var_23_arg_0=0, var_26=255, var_26_arg_0=255, var_26_arg_1=0, var_29=1, var_30=0, var_30_arg_0=255, var_31=0, var_31_arg_0=1, var_31_arg_1=0, var_41=255, var_41_arg_0=0, var_42=255, var_42_arg_0=0, var_43=0, var_43_arg_0=255, var_43_arg_1=0, var_44=255, var_44_arg_0=0, var_45=255, var_45_arg_0=255, var_45_arg_1=255, var_46=0, var_46_arg_0=255, var_47=0, var_47_arg_0=0, var_47_arg_1=0, var_48=255, var_48_arg_0=255, var_48_arg_1=0, var_49=0, var_49_arg_0=255, var_50=0, var_50_arg_0=0, var_50_arg_1=0, var_52=255, var_52_arg_0=0, var_53=255, var_53_arg_0=0, var_53_arg_1=255, var_54=0, var_54_arg_0=0, var_54_arg_1=255, var_55=255, var_55_arg_0=0, var_56=255, var_56_arg_0=255, var_56_arg_1=255, var_57=0, var_57_arg_0=255, var_59=2, var_59_arg_0=2, var_60=0, var_60_arg_0=2, var_61=255, var_61_arg_0=0, var_62=1, var_62_arg_0=2, var_63=255, var_63_arg_0=255, var_63_arg_1=1, var_64=1, var_64_arg_0=2, var_64_arg_1=255, var_65=254, var_65_arg_0=1, var_66=0, var_66_arg_0=0, var_66_arg_1=0, var_67=254, var_67_arg_0=254, var_67_arg_1=0, var_68=1, var_68_arg_0=254, var_68_arg_1=255, var_85=254, var_85_arg_0=254, var_85_arg_1=0, var_86=254, var_86_arg_0=254, var_86_arg_1=0, var_87=254, var_87_arg_0=254, var_87_arg_1=0] [L74] input_2 = __VERIFIER_nondet_uchar() [L75] input_4 = __VERIFIER_nondet_uchar() [L76] input_5 = __VERIFIER_nondet_uchar() [L77] input_6 = __VERIFIER_nondet_uchar() [L78] input_7 = __VERIFIER_nondet_uchar() [L79] input_8 = __VERIFIER_nondet_uchar() [L80] input_9 = __VERIFIER_nondet_uchar() [L81] input_10 = __VERIFIER_nondet_uchar() [L82] input_11 = __VERIFIER_nondet_uchar() [L83] input_13 = __VERIFIER_nondet_uchar() [L84] input_33 = __VERIFIER_nondet_uchar() [L85] input_35 = __VERIFIER_nondet_uchar() [L86] input_37 = __VERIFIER_nondet_uchar() [L87] input_39 = __VERIFIER_nondet_uchar() [L88] input_83 = __VERIFIER_nondet_uchar() [L89] input_89 = __VERIFIER_nondet_uchar() [L90] input_92 = __VERIFIER_nondet_uchar() [L91] input_94 = __VERIFIER_nondet_uchar() [L92] input_96 = __VERIFIER_nondet_uchar() [L93] input_98 = __VERIFIER_nondet_uchar() [L96] SORT_3 var_19_arg_0 = state_15; [L97] SORT_3 var_19_arg_1 = state_17; [L98] EXPR var_19_arg_0 | var_19_arg_1 [L98] SORT_3 var_19 = var_19_arg_0 | var_19_arg_1; [L99] SORT_3 var_22_arg_0 = var_19; [L100] SORT_3 var_22_arg_1 = state_20; [L101] EXPR var_22_arg_0 | var_22_arg_1 [L101] SORT_3 var_22 = var_22_arg_0 | var_22_arg_1; [L102] SORT_3 var_23_arg_0 = var_22; [L103] SORT_3 var_23 = ~var_23_arg_0; [L104] SORT_3 var_26_arg_0 = var_23; [L105] SORT_3 var_26_arg_1 = state_24; [L106] EXPR var_26_arg_0 | var_26_arg_1 [L106] SORT_3 var_26 = var_26_arg_0 | var_26_arg_1; [L107] SORT_3 var_30_arg_0 = var_26; [L108] SORT_3 var_30 = ~var_30_arg_0; [L109] SORT_3 var_31_arg_0 = var_29; [L110] SORT_3 var_31_arg_1 = var_30; [L111] EXPR var_31_arg_0 & var_31_arg_1 [L111] SORT_3 var_31 = var_31_arg_0 & var_31_arg_1; [L112] EXPR var_31 & mask_SORT_3 [L112] var_31 = var_31 & mask_SORT_3 [L113] SORT_3 bad_32_arg_0 = var_31; [L114] CALL __VERIFIER_assert(!(bad_32_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 0.37ms. Allocated memory is still 109.1MB. Free memory was 68.9MB in the beginning and 68.8MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.34ms. Allocated memory is still 146.8MB. Free memory was 117.3MB in the beginning and 102.2MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.95ms. Allocated memory is still 146.8MB. Free memory was 102.2MB in the beginning and 92.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 165.04ms. Allocated memory is still 146.8MB. Free memory was 92.8MB in the beginning and 89.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1697.43ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 88.9MB in the beginning and 104.3MB in the end (delta: -15.3MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * CodeCheck took 5486.23ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 104.3MB in the beginning and 93.5MB in the end (delta: 10.8MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. * Witness Printer took 8.32ms. Allocated memory is still 247.5MB. Free memory is still 93.5MB. 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 04:03:26,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/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_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/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_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/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_20d01dab-fef7-494f-b693-14a27dfb8bce/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 db87c07dbb7452fd246a98fbd617147a32e88270b5156b64dd08a046f6919e1f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:28,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:29,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-19 04:03:29,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:29,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:03:29,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:03:29,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:29,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:29,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:29,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:03:29,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:29,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:03:29,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:29,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:03:29,112 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:03:29,112 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:03:29,113 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:03:29,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:03:29,114 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:29,114 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:29,115 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:29,115 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:29,116 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:29,116 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:03:29,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:29,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:29,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:29,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:29,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:03:29,119 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:03:29,120 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:29,120 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:03:29,120 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:03:29,121 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:03:29,121 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_20d01dab-fef7-494f-b693-14a27dfb8bce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db87c07dbb7452fd246a98fbd617147a32e88270b5156b64dd08a046f6919e1f [2023-11-19 04:03:29,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:29,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:29,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:29,556 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:29,564 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:29,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c [2023-11-19 04:03:32,624 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:32,906 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:32,907 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c [2023-11-19 04:03:32,918 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/data/a8e0b37ab/4c458f15bf7e4315a06daf5f8a3db009/FLAGc5e180032 [2023-11-19 04:03:32,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/data/a8e0b37ab/4c458f15bf7e4315a06daf5f8a3db009 [2023-11-19 04:03:32,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:32,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:32,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:32,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:32,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:32,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:32" (1/1) ... [2023-11-19 04:03:32,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b577d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:32, skipping insertion in model container [2023-11-19 04:03:32,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:32" (1/1) ... [2023-11-19 04:03:32,976 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:33,146 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_20d01dab-fef7-494f-b693-14a27dfb8bce/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c[1259,1272] [2023-11-19 04:03:33,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:33,261 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:33,276 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_20d01dab-fef7-494f-b693-14a27dfb8bce/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c[1259,1272] [2023-11-19 04:03:33,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:33,323 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:33,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33 WrapperNode [2023-11-19 04:03:33,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:33,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:33,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:33,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:33,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,380 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 230 [2023-11-19 04:03:33,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:33,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:33,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:33,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:33,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:03:33,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:03:33,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:03:33,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:03:33,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:33,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:33,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:03:33,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:03:33,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:03:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:03:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:03:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:03:33,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:03:33,654 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:03:33,656 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:03:33,922 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:33,965 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:33,965 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:03:33,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:33 BoogieIcfgContainer [2023-11-19 04:03:33,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:03:33,976 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:03:33,976 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:03:33,987 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:03:33,988 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:33" (1/1) ... [2023-11-19 04:03:34,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:03:34,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:34,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 04:03:34,073 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 04:03:34,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:03:34,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:34,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:34,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:03:34,085 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:03:34,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:03:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:34,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:03:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:34,344 WARN L260 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 04:03:34,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:34,818 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 04:03:34,820 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:03:34,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:03:34,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:34,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-19 04:03:34,918 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-19 04:03:34,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:03:34,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:34,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:34,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:03:34,921 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:03:34,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 04:03:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:35,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:03:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:35,201 WARN L260 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-19 04:03:35,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:35,983 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 04:03:35,989 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:03:35,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:03:36,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2023-11-19 04:03:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2023-11-19 04:03:36,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:03:36,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:36,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:36,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:03:36,429 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:03:36,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 04:03:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:36,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:03:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:36,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 113 conjunts are in the unsatisfiable core [2023-11-19 04:03:36,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:41,257 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 04:03:41,260 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:03:41,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 04:03:47,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:47,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2023-11-19 04:03:47,342 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2023-11-19 04:03:47,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:03:47,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:47,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:47,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:03:47,346 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:03:47,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 04:03:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:47,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:03:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:47,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 133 conjunts are in the unsatisfiable core [2023-11-19 04:03:47,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:08,606 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 04:04:08,610 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:04:08,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20d01dab-fef7-494f-b693-14a27dfb8bce/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0