./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.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_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/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_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/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_54a83734-5b7c-45ee-a61d-3037daf8bc17/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 be98390aa39eb4015bb82c52f3543b0d6ba9e6d709277c1c8e88d4773e2b528c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:29:12,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:29:12,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:29:12,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:29:12,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:29:12,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:29:12,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:29:12,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:29:12,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:29:12,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:29:12,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:29:12,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:29:12,234 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:29:12,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:29:12,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:29:12,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:29:12,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:29:12,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:29:12,239 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:29:12,239 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:29:12,240 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:29:12,240 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:29:12,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:29:12,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:12,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:29:12,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:29:12,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:29:12,243 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:29:12,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:29:12,244 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:29:12,246 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be98390aa39eb4015bb82c52f3543b0d6ba9e6d709277c1c8e88d4773e2b528c [2023-11-19 03:29:12,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:29:12,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:29:12,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:29:12,572 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:29:12,573 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:29:12,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c [2023-11-19 03:29:15,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:29:16,073 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:29:16,074 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c [2023-11-19 03:29:16,097 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/data/891a8e3ce/977c6ddf6e474ae5b899009b226b073d/FLAGd4f8fa3d5 [2023-11-19 03:29:16,113 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/data/891a8e3ce/977c6ddf6e474ae5b899009b226b073d [2023-11-19 03:29:16,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:29:16,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:29:16,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:16,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:29:16,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:29:16,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:16" (1/1) ... [2023-11-19 03:29:16,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1d4e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:16, skipping insertion in model container [2023-11-19 03:29:16,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:16" (1/1) ... [2023-11-19 03:29:16,169 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:29:16,364 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_54a83734-5b7c-45ee-a61d-3037daf8bc17/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c[1266,1279] [2023-11-19 03:29:16,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:16,558 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:29:16,573 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_54a83734-5b7c-45ee-a61d-3037daf8bc17/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c[1266,1279] [2023-11-19 03:29:16,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:16,685 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:29:16,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:16 WrapperNode [2023-11-19 03:29:16,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:16,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:16,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:29:16,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:29:16,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:16" (1/1) ... [2023-11-19 03:29:16,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:16" (1/1) ... [2023-11-19 03:29:16,826 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 843 [2023-11-19 03:29:16,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:16,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:29:16,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:29:16,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:29:16,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:16" (1/1) ... [2023-11-19 03:29:16,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:16" (1/1) ... [2023-11-19 03:29:16,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:16" (1/1) ... [2023-11-19 03:29:16,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:16" (1/1) ... [2023-11-19 03:29:16,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:16" (1/1) ... [2023-11-19 03:29:16,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:16" (1/1) ... [2023-11-19 03:29:16,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:16" (1/1) ... [2023-11-19 03:29:16,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:16" (1/1) ... [2023-11-19 03:29:17,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:29:17,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:29:17,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:29:17,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:29:17,062 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:16" (1/1) ... [2023-11-19 03:29:17,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:17,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:29:17,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:29:17,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:29:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:29:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:29:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:29:17,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:29:17,346 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:29:17,348 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:29:18,278 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:29:19,376 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:29:19,376 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:29:19,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:19 BoogieIcfgContainer [2023-11-19 03:29:19,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:29:19,383 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:29:19,383 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:29:19,395 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:29:19,395 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:19" (1/1) ... [2023-11-19 03:29:19,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:29:19,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:19,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:29:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:29:19,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:29:19,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:19,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:29:19,849 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:29:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:29:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:29:20,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:29:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:29:20,581 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:29:20,618 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:29:20,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:29:20 ImpRootNode [2023-11-19 03:29:20,629 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:29:20,630 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:29:20,630 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:29:20,631 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:29:20,631 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:19" (3/4) ... [2023-11-19 03:29:20,634 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:29:20,635 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:29:20,637 INFO L158 Benchmark]: Toolchain (without parser) took 4518.81ms. Allocated memory was 132.1MB in the beginning and 278.9MB in the end (delta: 146.8MB). Free memory was 92.9MB in the beginning and 117.0MB in the end (delta: -24.0MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. [2023-11-19 03:29:20,637 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 132.1MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:20,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 566.65ms. Allocated memory is still 132.1MB. Free memory was 92.9MB in the beginning and 70.6MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:29:20,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.43ms. Allocated memory is still 132.1MB. Free memory was 70.6MB in the beginning and 56.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:29:20,640 INFO L158 Benchmark]: Boogie Preprocessor took 232.29ms. Allocated memory was 132.1MB in the beginning and 199.2MB in the end (delta: 67.1MB). Free memory was 56.4MB in the beginning and 159.3MB in the end (delta: -102.9MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-11-19 03:29:20,641 INFO L158 Benchmark]: RCFGBuilder took 2320.66ms. Allocated memory was 199.2MB in the beginning and 278.9MB in the end (delta: 79.7MB). Free memory was 159.3MB in the beginning and 174.7MB in the end (delta: -15.4MB). Peak memory consumption was 105.3MB. Max. memory is 16.1GB. [2023-11-19 03:29:20,642 INFO L158 Benchmark]: CodeCheck took 1246.79ms. Allocated memory is still 278.9MB. Free memory was 174.7MB in the beginning and 118.0MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-11-19 03:29:20,642 INFO L158 Benchmark]: Witness Printer took 5.48ms. Allocated memory is still 278.9MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:20,647 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 168, overapproximation of bitwiseAnd at line 155. 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 - 8); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L32] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); [L35] const SORT_31 mask_SORT_31 = (SORT_31)-1 >> (sizeof(SORT_31) * 8 - 4); [L36] const SORT_31 msb_SORT_31 = (SORT_31)1 << (4 - 1); [L38] const SORT_67 mask_SORT_67 = (SORT_67)-1 >> (sizeof(SORT_67) * 8 - 10); [L39] const SORT_67 msb_SORT_67 = (SORT_67)1 << (10 - 1); [L41] const SORT_1 var_7 = 0; [L42] const SORT_10 var_12 = 0; [L43] const SORT_1 var_21 = 1; [L44] const SORT_67 var_68 = 0; [L45] const SORT_10 var_122 = 104; [L46] const SORT_10 var_145 = 1; [L48] SORT_1 input_2; [L49] SORT_3 input_4; [L50] SORT_1 input_5; [L51] SORT_1 input_6; [L52] SORT_1 input_29; [L53] SORT_31 input_32; [L54] SORT_31 input_34; [L55] SORT_1 input_36; [L56] SORT_1 input_42; [L57] SORT_1 input_44; [L58] SORT_1 input_46; [L59] SORT_3 input_50; [L60] SORT_1 input_53; [L61] SORT_1 input_63; [L62] SORT_1 input_73; [L63] SORT_1 input_79; [L64] SORT_1 input_80; [L65] SORT_1 input_91; [L66] SORT_1 input_98; [L67] SORT_1 input_104; [L68] SORT_1 input_110; [L69] SORT_1 input_116; [L70] SORT_1 input_117; [L71] SORT_1 input_118; [L72] SORT_1 input_135; [L73] SORT_67 input_143; [L74] SORT_1 input_152; [L75] SORT_1 input_153; [L76] SORT_1 input_154; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L88] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_ushort() & mask_SORT_67 [L90] SORT_67 state_69 = __VERIFIER_nondet_ushort() & mask_SORT_67; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L91] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] SORT_1 init_9_arg_1 = var_7; [L94] state_8 = init_9_arg_1 [L95] SORT_1 init_15_arg_1 = var_7; [L96] state_14 = init_15_arg_1 [L97] SORT_1 init_26_arg_1 = var_7; [L98] state_25 = init_26_arg_1 [L99] SORT_1 init_28_arg_1 = var_7; [L100] state_27 = init_28_arg_1 [L101] SORT_1 init_39_arg_1 = var_7; [L102] state_38 = init_39_arg_1 [L103] SORT_1 init_41_arg_1 = var_7; [L104] state_40 = init_41_arg_1 [L105] SORT_1 init_49_arg_1 = var_21; [L106] state_48 = init_49_arg_1 [L107] SORT_1 init_56_arg_1 = var_7; [L108] state_55 = init_56_arg_1 [L109] SORT_1 init_58_arg_1 = var_7; [L110] state_57 = init_58_arg_1 [L111] SORT_1 init_60_arg_1 = var_7; [L112] state_59 = init_60_arg_1 [L113] SORT_1 init_62_arg_1 = var_7; [L114] state_61 = init_62_arg_1 [L115] SORT_1 init_66_arg_1 = var_7; [L116] state_65 = init_66_arg_1 [L117] SORT_67 init_70_arg_1 = var_68; [L118] state_69 = init_70_arg_1 [L119] SORT_1 init_72_arg_1 = var_7; [L120] state_71 = init_72_arg_1 VAL [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_49_arg_1=1, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=1, state_55=0, state_57=0, state_59=0, state_61=0, state_65=0, state_69=0, state_71=0, state_8=0, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L123] input_2 = __VERIFIER_nondet_uchar() [L124] input_4 = __VERIFIER_nondet_uchar() [L125] input_5 = __VERIFIER_nondet_uchar() [L126] input_6 = __VERIFIER_nondet_uchar() [L127] input_29 = __VERIFIER_nondet_uchar() [L128] input_32 = __VERIFIER_nondet_uchar() [L129] input_34 = __VERIFIER_nondet_uchar() [L130] input_36 = __VERIFIER_nondet_uchar() [L131] input_42 = __VERIFIER_nondet_uchar() [L132] input_44 = __VERIFIER_nondet_uchar() [L133] input_46 = __VERIFIER_nondet_uchar() [L134] input_50 = __VERIFIER_nondet_uchar() [L135] input_53 = __VERIFIER_nondet_uchar() [L136] input_63 = __VERIFIER_nondet_uchar() [L137] input_73 = __VERIFIER_nondet_uchar() [L138] input_79 = __VERIFIER_nondet_uchar() [L139] input_80 = __VERIFIER_nondet_uchar() [L140] input_91 = __VERIFIER_nondet_uchar() [L141] input_98 = __VERIFIER_nondet_uchar() [L142] input_104 = __VERIFIER_nondet_uchar() [L143] input_110 = __VERIFIER_nondet_uchar() [L144] input_116 = __VERIFIER_nondet_uchar() [L145] input_117 = __VERIFIER_nondet_uchar() [L146] input_118 = __VERIFIER_nondet_uchar() [L147] input_135 = __VERIFIER_nondet_uchar() [L148] input_143 = __VERIFIER_nondet_ushort() [L149] input_152 = __VERIFIER_nondet_uchar() [L150] input_153 = __VERIFIER_nondet_uchar() [L151] input_154 = __VERIFIER_nondet_uchar() [L154] SORT_1 var_11_arg_0 = state_8; [L155] EXPR var_11_arg_0 & mask_SORT_1 [L155] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L156] SORT_10 var_11 = var_11_arg_0; [L157] SORT_10 var_13_arg_0 = var_11; [L158] SORT_10 var_13_arg_1 = var_12; [L159] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L160] SORT_1 var_16_arg_0 = state_14; [L161] EXPR var_16_arg_0 & mask_SORT_1 [L161] var_16_arg_0 = var_16_arg_0 & mask_SORT_1 [L162] SORT_10 var_16 = var_16_arg_0; [L163] SORT_10 var_17_arg_0 = var_16; [L164] SORT_10 var_17_arg_1 = var_12; [L165] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L166] SORT_1 var_18_arg_0 = var_13; [L167] SORT_1 var_18_arg_1 = var_17; [L168] EXPR var_18_arg_0 | var_18_arg_1 [L168] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L169] SORT_1 var_22_arg_0 = var_18; [L170] SORT_1 var_22 = ~var_22_arg_0; [L171] SORT_1 var_23_arg_0 = var_21; [L172] SORT_1 var_23_arg_1 = var_22; [L173] EXPR var_23_arg_0 & var_23_arg_1 [L173] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L174] EXPR var_23 & mask_SORT_1 [L174] var_23 = var_23 & mask_SORT_1 [L175] SORT_1 bad_24_arg_0 = var_23; [L176] CALL __VERIFIER_assert(!(bad_24_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 0.29ms. Allocated memory is still 132.1MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 566.65ms. Allocated memory is still 132.1MB. Free memory was 92.9MB in the beginning and 70.6MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 140.43ms. Allocated memory is still 132.1MB. Free memory was 70.6MB in the beginning and 56.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 232.29ms. Allocated memory was 132.1MB in the beginning and 199.2MB in the end (delta: 67.1MB). Free memory was 56.4MB in the beginning and 159.3MB in the end (delta: -102.9MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2320.66ms. Allocated memory was 199.2MB in the beginning and 278.9MB in the end (delta: 79.7MB). Free memory was 159.3MB in the beginning and 174.7MB in the end (delta: -15.4MB). Peak memory consumption was 105.3MB. Max. memory is 16.1GB. * CodeCheck took 1246.79ms. Allocated memory is still 278.9MB. Free memory was 174.7MB in the beginning and 118.0MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 5.48ms. Allocated memory is still 278.9MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:29:20,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/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_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/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_54a83734-5b7c-45ee-a61d-3037daf8bc17/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 be98390aa39eb4015bb82c52f3543b0d6ba9e6d709277c1c8e88d4773e2b528c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:29:23,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:29:23,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-19 03:29:23,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:29:23,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:29:23,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:29:23,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:29:23,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:29:23,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:29:23,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:29:23,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:29:23,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:29:23,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:29:23,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:29:23,744 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:29:23,745 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:29:23,746 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:29:23,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:29:23,747 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:29:23,748 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:29:23,749 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:29:23,750 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:29:23,750 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:23,751 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:29:23,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:29:23,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:23,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:29:23,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:29:23,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:29:23,754 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:29:23,756 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:23,756 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:29:23,756 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:29:23,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:29:23,757 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_54a83734-5b7c-45ee-a61d-3037daf8bc17/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be98390aa39eb4015bb82c52f3543b0d6ba9e6d709277c1c8e88d4773e2b528c [2023-11-19 03:29:24,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:29:24,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:29:24,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:29:24,216 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:29:24,217 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:29:24,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c [2023-11-19 03:29:27,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:29:28,001 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:29:28,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c [2023-11-19 03:29:28,032 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/data/12d15fd12/81a633a7a4cd4e7aae75559e35c83988/FLAGe9dab193f [2023-11-19 03:29:28,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/data/12d15fd12/81a633a7a4cd4e7aae75559e35c83988 [2023-11-19 03:29:28,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:29:28,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:29:28,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:28,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:29:28,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:29:28,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:28" (1/1) ... [2023-11-19 03:29:28,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@129b561b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:28, skipping insertion in model container [2023-11-19 03:29:28,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:28" (1/1) ... [2023-11-19 03:29:28,138 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:29:28,366 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_54a83734-5b7c-45ee-a61d-3037daf8bc17/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c[1266,1279] [2023-11-19 03:29:28,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:28,626 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:29:28,644 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_54a83734-5b7c-45ee-a61d-3037daf8bc17/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c[1266,1279] [2023-11-19 03:29:28,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:28,762 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:29:28,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:28 WrapperNode [2023-11-19 03:29:28,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:28,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:28,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:29:28,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:29:28,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:28" (1/1) ... [2023-11-19 03:29:28,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:28" (1/1) ... [2023-11-19 03:29:28,861 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 503 [2023-11-19 03:29:28,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:28,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:29:28,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:29:28,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:29:28,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:28" (1/1) ... [2023-11-19 03:29:28,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:28" (1/1) ... [2023-11-19 03:29:28,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:28" (1/1) ... [2023-11-19 03:29:28,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:28" (1/1) ... [2023-11-19 03:29:28,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:28" (1/1) ... [2023-11-19 03:29:28,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:28" (1/1) ... [2023-11-19 03:29:28,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:28" (1/1) ... [2023-11-19 03:29:28,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:28" (1/1) ... [2023-11-19 03:29:28,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:29:28,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:29:28,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:29:28,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:29:28,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:28" (1/1) ... [2023-11-19 03:29:28,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:28,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:29:29,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:29:29,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:29:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:29:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:29:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:29:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:29:29,264 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:29:29,266 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:29:29,839 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:29:29,897 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:29:29,898 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:29:29,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:29 BoogieIcfgContainer [2023-11-19 03:29:29,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:29:29,905 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:29:29,906 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:29:29,917 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:29:29,917 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:29" (1/1) ... [2023-11-19 03:29:29,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:29:30,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:30,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:29:30,011 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:29:30,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:29:30,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:30,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:30,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:29:30,021 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:29:30,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:29:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:30,334 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:29:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:30,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:29:30,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:30,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:30,697 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:29:30,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:29:30,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:30,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-19 03:29:30,837 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-19 03:29:30,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:29:30,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:30,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:30,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:29:30,841 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:29:30,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:29:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:31,274 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:29:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:31,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:29:31,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:31,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:31,803 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:29:31,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 03:29:32,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:32,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2023-11-19 03:29:32,347 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2023-11-19 03:29:32,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:29:32,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:32,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:32,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:29:32,353 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:29:32,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:29:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:32,914 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:29:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:33,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-19 03:29:33,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:33,961 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:33,972 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:29:33,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:29:34,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:34,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 14 states and 23 transitions. [2023-11-19 03:29:34,840 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 23 transitions. [2023-11-19 03:29:34,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:29:34,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:34,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:34,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:29:34,845 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:29:34,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:29:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:35,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:29:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:35,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 124 conjunts are in the unsatisfiable core [2023-11-19 03:29:36,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:37,266 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:37,274 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:29:37,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 03:29:39,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:39,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 20 states and 40 transitions. [2023-11-19 03:29:39,278 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 40 transitions. [2023-11-19 03:29:39,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:29:39,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:39,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:39,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:29:39,280 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:29:39,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 03:29:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:40,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:29:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:40,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 188 conjunts are in the unsatisfiable core [2023-11-19 03:29:40,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:42,211 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:42,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 03:29:43,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:43,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 23 states and 50 transitions. [2023-11-19 03:29:43,442 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 50 transitions. [2023-11-19 03:29:43,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:29:43,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:43,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:43,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:29:43,448 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:29:43,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 03:29:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:44,278 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:29:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:44,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 188 conjunts are in the unsatisfiable core [2023-11-19 03:29:44,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:45,919 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:45,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-19 03:29:46,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:46,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 26 states and 58 transitions. [2023-11-19 03:29:46,992 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 58 transitions. [2023-11-19 03:29:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:29:46,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:46,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:46,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:29:46,995 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:29:46,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 03:29:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:47,879 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:29:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:48,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 1404 conjuncts, 257 conjunts are in the unsatisfiable core [2023-11-19 03:29:48,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:50,207 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:50,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-19 03:29:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:52,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 10 states and 15 transitions. [2023-11-19 03:29:52,963 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 15 transitions. [2023-11-19 03:29:52,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:29:52,964 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-19 03:29:52,973 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:29:53,266 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2023-11-19 03:29:53,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:29:53 ImpRootNode [2023-11-19 03:29:53,275 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:29:53,276 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:29:53,276 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:29:53,276 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:29:53,277 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:29" (3/4) ... [2023-11-19 03:29:53,279 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:29:53,296 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-19 03:29:53,297 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:29:53,299 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:29:53,300 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:29:53,556 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:29:53,556 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:29:53,556 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:29:53,557 INFO L158 Benchmark]: Toolchain (without parser) took 25498.69ms. Allocated memory was 109.1MB in the beginning and 488.6MB in the end (delta: 379.6MB). Free memory was 84.1MB in the beginning and 451.0MB in the end (delta: -366.9MB). Peak memory consumption was 297.1MB. Max. memory is 16.1GB. [2023-11-19 03:29:53,558 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 77.6MB. Free memory was 53.0MB in the beginning and 53.0MB in the end (delta: 47.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:53,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 701.05ms. Allocated memory is still 109.1MB. Free memory was 83.9MB in the beginning and 63.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:29:53,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.36ms. Allocated memory is still 109.1MB. Free memory was 63.3MB in the beginning and 59.4MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:29:53,561 INFO L158 Benchmark]: Boogie Preprocessor took 61.14ms. Allocated memory is still 109.1MB. Free memory was 59.4MB in the beginning and 56.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:29:53,564 INFO L158 Benchmark]: RCFGBuilder took 958.62ms. Allocated memory is still 109.1MB. Free memory was 86.2MB in the beginning and 69.6MB in the end (delta: 16.6MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2023-11-19 03:29:53,565 INFO L158 Benchmark]: CodeCheck took 23369.66ms. Allocated memory was 109.1MB in the beginning and 488.6MB in the end (delta: 379.6MB). Free memory was 69.6MB in the beginning and 172.6MB in the end (delta: -103.1MB). Peak memory consumption was 274.9MB. Max. memory is 16.1GB. [2023-11-19 03:29:53,566 INFO L158 Benchmark]: Witness Printer took 280.99ms. Allocated memory is still 488.6MB. Free memory was 172.6MB in the beginning and 451.0MB in the end (delta: -278.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:29:53,568 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: 23.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 173 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 99 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 673 IncrementalHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 99 mSolverCounterUnsat, 7 mSDtfsCounter, 673 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 986 GetRequests, 869 SyntacticMatches, 33 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2771 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.6s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 1565 SizeOfPredicates, 784 NumberOfNonLiveVariables, 5588 ConjunctsInSsa, 885 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/116 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: ((((((((((1 == mask_SORT_1) && (0 == state_27)) && (state_8 == 0)) && (0 == state_40)) && (var_7 == 0)) && (0 == state_38)) && (0 == state_55)) && (0 == state_57)) && (0 == state_61)) && (var_12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 77.6MB. Free memory was 53.0MB in the beginning and 53.0MB in the end (delta: 47.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 701.05ms. Allocated memory is still 109.1MB. Free memory was 83.9MB in the beginning and 63.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.36ms. Allocated memory is still 109.1MB. Free memory was 63.3MB in the beginning and 59.4MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.14ms. Allocated memory is still 109.1MB. Free memory was 59.4MB in the beginning and 56.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 958.62ms. Allocated memory is still 109.1MB. Free memory was 86.2MB in the beginning and 69.6MB in the end (delta: 16.6MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * CodeCheck took 23369.66ms. Allocated memory was 109.1MB in the beginning and 488.6MB in the end (delta: 379.6MB). Free memory was 69.6MB in the beginning and 172.6MB in the end (delta: -103.1MB). Peak memory consumption was 274.9MB. Max. memory is 16.1GB. * Witness Printer took 280.99ms. Allocated memory is still 488.6MB. Free memory was 172.6MB in the beginning and 451.0MB in the end (delta: -278.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:29:53,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54a83734-5b7c-45ee-a61d-3037daf8bc17/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE