./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV --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 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:59,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:59,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-11 23:57:59,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:59,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:59,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:59,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:59,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:59,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:59,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:59,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:59,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:59,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:59,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:59,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:59,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:59,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:59,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:59,717 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:59,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:59,718 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:59,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:59,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:59,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:59,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:59,722 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:59,722 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:59,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:59,723 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:59,723 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_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 [2023-11-11 23:58:00,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:58:00,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:58:00,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:58:00,055 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:58:00,056 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:58:00,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c [2023-11-11 23:58:03,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:58:03,373 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:58:03,373 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c [2023-11-11 23:58:03,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/data/5aae8063e/d36e7057dd6e4420bd082f8dbc779fb4/FLAG8145f6fce [2023-11-11 23:58:03,400 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/data/5aae8063e/d36e7057dd6e4420bd082f8dbc779fb4 [2023-11-11 23:58:03,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:58:03,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:58:03,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:03,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:58:03,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:58:03,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:03" (1/1) ... [2023-11-11 23:58:03,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f049953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:03, skipping insertion in model container [2023-11-11 23:58:03,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:03" (1/1) ... [2023-11-11 23:58:03,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:58:03,610 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_1cbbcb77-347a-46f9-a721-57c939dcf02c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2023-11-11 23:58:03,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:03,672 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:58:03,682 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_1cbbcb77-347a-46f9-a721-57c939dcf02c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2023-11-11 23:58:03,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:03,736 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:58:03,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:03 WrapperNode [2023-11-11 23:58:03,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:03,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:03,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:58:03,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:58:03,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:03" (1/1) ... [2023-11-11 23:58:03,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:03" (1/1) ... [2023-11-11 23:58:03,869 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 245 [2023-11-11 23:58:03,869 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:03,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:58:03,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:58:03,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:58:03,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:03" (1/1) ... [2023-11-11 23:58:03,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:03" (1/1) ... [2023-11-11 23:58:03,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:03" (1/1) ... [2023-11-11 23:58:03,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:03" (1/1) ... [2023-11-11 23:58:03,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:03" (1/1) ... [2023-11-11 23:58:03,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:03" (1/1) ... [2023-11-11 23:58:03,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:03" (1/1) ... [2023-11-11 23:58:03,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:03" (1/1) ... [2023-11-11 23:58:03,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:58:03,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:58:03,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:58:03,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:58:03,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:03" (1/1) ... [2023-11-11 23:58:03,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:03,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:58:03,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:58:04,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:58:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:58:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:58:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:58:04,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:58:04,196 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:58:04,199 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:58:04,775 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:58:05,172 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:58:05,172 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:58:05,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:05 BoogieIcfgContainer [2023-11-11 23:58:05,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:58:05,188 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:58:05,189 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:58:05,199 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:58:05,199 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:05" (1/1) ... [2023-11-11 23:58:05,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:58:05,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:05,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:58:05,277 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:58:05,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:58:05,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:05,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:58:05,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:58:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:58:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:58:05,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:58:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:58:05,893 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:58:05,924 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-11 23:58:05,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:58:05 ImpRootNode [2023-11-11 23:58:05,930 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:58:05,931 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:58:05,936 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:58:05,936 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:58:05,937 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:05" (3/4) ... [2023-11-11 23:58:05,939 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:58:05,940 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:58:05,941 INFO L158 Benchmark]: Toolchain (without parser) took 2536.00ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 77.7MB in the beginning and 74.1MB in the end (delta: 3.5MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2023-11-11 23:58:05,941 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:05,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.27ms. Allocated memory is still 123.7MB. Free memory was 77.7MB in the beginning and 64.5MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:58:05,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.29ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 64.5MB in the beginning and 116.9MB in the end (delta: -52.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-11 23:58:05,944 INFO L158 Benchmark]: Boogie Preprocessor took 75.33ms. Allocated memory is still 148.9MB. Free memory was 116.9MB in the beginning and 115.9MB in the end (delta: 1.0MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2023-11-11 23:58:05,946 INFO L158 Benchmark]: RCFGBuilder took 1227.75ms. Allocated memory is still 148.9MB. Free memory was 115.9MB in the beginning and 106.6MB in the end (delta: 9.3MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2023-11-11 23:58:05,950 INFO L158 Benchmark]: CodeCheck took 742.24ms. Allocated memory is still 148.9MB. Free memory was 105.6MB in the beginning and 74.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-11 23:58:05,951 INFO L158 Benchmark]: Witness Printer took 8.85ms. Allocated memory is still 148.9MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:05,958 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 68. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 5); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (5 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 4); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (4 - 1); [L35] const SORT_4 var_5 = 1; [L36] const SORT_8 var_9 = 2; [L37] const SORT_1 var_15 = 1; [L38] const SORT_4 var_19 = 5; [L39] const SORT_4 var_22 = 7; [L40] const SORT_4 var_26 = 11; [L41] const SORT_4 var_29 = 3; [L42] const SORT_8 var_30 = 1; [L43] const SORT_8 var_37 = 5; [L45] SORT_1 input_2; [L46] SORT_1 input_3; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L48] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L49] SORT_4 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L50] SORT_4 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L51] SORT_4 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L53] SORT_4 init_7_arg_1 = var_5; [L54] state_6 = init_7_arg_1 [L55] SORT_4 init_21_arg_1 = var_19; [L56] state_20 = init_21_arg_1 [L57] SORT_4 init_24_arg_1 = var_22; [L58] state_23 = init_24_arg_1 [L59] SORT_4 init_28_arg_1 = var_26; [L60] state_27 = init_28_arg_1 VAL [init_21_arg_1=5, init_24_arg_1=7, init_28_arg_1=11, init_7_arg_1=1, mask_SORT_1=1, mask_SORT_4=31, mask_SORT_8=15, msb_SORT_1=1, msb_SORT_4=16, msb_SORT_8=8, state_20=5, state_23=7, state_27=11, state_6=1, var_15=1, var_19=5, var_22=7, var_26=11, var_29=3, var_30=1, var_37=5, var_5=1, var_9=2] [L63] input_2 = __VERIFIER_nondet_uchar() [L64] input_3 = __VERIFIER_nondet_uchar() [L67] SORT_8 var_10_arg_0 = var_9; [L68] EXPR var_10_arg_0 & mask_SORT_8 [L68] var_10_arg_0 = var_10_arg_0 & mask_SORT_8 [L69] SORT_4 var_10 = var_10_arg_0; [L70] SORT_4 var_11_arg_0 = state_6; [L71] SORT_4 var_11_arg_1 = var_10; [L72] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L73] SORT_1 var_12_arg_0 = var_11; [L74] SORT_1 var_12 = ~var_12_arg_0; [L75] SORT_1 var_16_arg_0 = var_12; [L76] SORT_1 var_16 = ~var_16_arg_0; [L77] SORT_1 var_17_arg_0 = var_15; [L78] SORT_1 var_17_arg_1 = var_16; [L79] EXPR var_17_arg_0 & var_17_arg_1 [L79] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L80] EXPR var_17 & mask_SORT_1 [L80] var_17 = var_17 & mask_SORT_1 [L81] SORT_1 bad_18_arg_0 = var_17; [L82] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.27ms. Allocated memory is still 123.7MB. Free memory was 77.7MB in the beginning and 64.5MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.29ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 64.5MB in the beginning and 116.9MB in the end (delta: -52.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.33ms. Allocated memory is still 148.9MB. Free memory was 116.9MB in the beginning and 115.9MB in the end (delta: 1.0MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1227.75ms. Allocated memory is still 148.9MB. Free memory was 115.9MB in the beginning and 106.6MB in the end (delta: 9.3MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * CodeCheck took 742.24ms. Allocated memory is still 148.9MB. Free memory was 105.6MB in the beginning and 74.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 8.85ms. Allocated memory is still 148.9MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:58:05,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV --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 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:58:08,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:58:08,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-11 23:58:08,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:58:08,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:58:08,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:58:08,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:58:08,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:58:08,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:58:08,832 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:58:08,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:58:08,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:58:08,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:58:08,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:58:08,836 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:58:08,836 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:58:08,837 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:58:08,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:58:08,838 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:58:08,839 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:58:08,840 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:58:08,840 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:58:08,841 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:08,841 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:58:08,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:58:08,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:08,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:58:08,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:58:08,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:58:08,844 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:58:08,846 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:08,846 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:58:08,846 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:58:08,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:58:08,847 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_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 [2023-11-11 23:58:09,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:58:09,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:58:09,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:58:09,294 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:58:09,295 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:58:09,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c [2023-11-11 23:58:12,608 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:58:12,881 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:58:12,881 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c [2023-11-11 23:58:12,890 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/data/2416c7791/9c47af0198a64f608becc5786959f5b5/FLAGc272b847f [2023-11-11 23:58:12,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/data/2416c7791/9c47af0198a64f608becc5786959f5b5 [2023-11-11 23:58:12,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:58:12,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:58:12,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:12,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:58:12,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:58:12,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:12" (1/1) ... [2023-11-11 23:58:12,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@470aa2d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:12, skipping insertion in model container [2023-11-11 23:58:12,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:12" (1/1) ... [2023-11-11 23:58:12,942 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:58:13,147 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_1cbbcb77-347a-46f9-a721-57c939dcf02c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2023-11-11 23:58:13,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:13,257 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:58:13,272 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_1cbbcb77-347a-46f9-a721-57c939dcf02c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2023-11-11 23:58:13,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:13,347 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:58:13,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13 WrapperNode [2023-11-11 23:58:13,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:13,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:13,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:58:13,349 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:58:13,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,425 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 125 [2023-11-11 23:58:13,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:13,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:58:13,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:58:13,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:58:13,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:58:13,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:58:13,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:58:13,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:58:13,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:13,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:58:13,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:58:13,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:58:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:58:13,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:58:13,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:58:13,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:58:13,738 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:58:13,740 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:58:13,994 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:58:14,062 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:58:14,062 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:58:14,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:14 BoogieIcfgContainer [2023-11-11 23:58:14,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:58:14,066 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:58:14,066 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:58:14,085 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:58:14,085 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:14" (1/1) ... [2023-11-11 23:58:14,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:58:14,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:14,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:58:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:58:14,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:58:14,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:14,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:14,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:14,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:14,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:58:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:14,340 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:14,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:58:14,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:14,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:14,737 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:58:14,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:58:14,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:14,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-11 23:58:14,827 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-11 23:58:14,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:58:14,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:14,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:14,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:14,832 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:14,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-11 23:58:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:14,976 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:15,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-11 23:58:15,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:15,485 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:58:15,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-11 23:58:16,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:16,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-11-11 23:58:16,146 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-11-11 23:58:16,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:58:16,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:16,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:16,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:16,164 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:16,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-11 23:58:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:16,319 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:16,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-11 23:58:16,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:17,297 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:58:17,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-11 23:58:19,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:19,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2023-11-11 23:58:19,277 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2023-11-11 23:58:19,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:58:19,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:19,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:19,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:19,279 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:19,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-11 23:58:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:19,460 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:19,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 77 conjunts are in the unsatisfiable core [2023-11-11 23:58:19,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:20,646 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:20,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-11 23:58:23,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:23,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 29 states and 58 transitions. [2023-11-11 23:58:23,996 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 58 transitions. [2023-11-11 23:58:23,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:58:23,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:23,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:23,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:24,004 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:24,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-11 23:58:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:24,198 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:24,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-11 23:58:24,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:24,940 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:58:24,943 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:58:24,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-11 23:58:27,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:27,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 36 states and 73 transitions. [2023-11-11 23:58:27,411 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. [2023-11-11 23:58:27,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:58:27,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:27,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:27,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:27,416 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:27,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-11 23:58:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:27,643 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:27,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-11 23:58:27,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:29,697 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:29,701 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:58:29,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-11 23:58:40,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:40,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 52 states and 124 transitions. [2023-11-11 23:58:40,500 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 124 transitions. [2023-11-11 23:58:40,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:58:40,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:40,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:40,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:40,503 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:40,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-11 23:58:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:40,765 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:40,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-11 23:58:40,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:42,080 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:42,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-11 23:58:42,088 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:58:48,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:48,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 58 states and 160 transitions. [2023-11-11 23:58:48,674 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 160 transitions. [2023-11-11 23:58:48,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:58:48,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:48,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:48,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:48,678 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:48,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-11 23:58:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:48,890 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:48,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-11 23:58:49,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:49,700 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:49,702 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:58:49,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-11 23:58:50,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:50,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 59 states and 164 transitions. [2023-11-11 23:58:50,917 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 164 transitions. [2023-11-11 23:58:50,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:58:50,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:50,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:50,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:50,922 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:50,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-11 23:58:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:51,127 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:51,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-11 23:58:51,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:51,934 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:51,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-11 23:58:52,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:52,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 60 states and 167 transitions. [2023-11-11 23:58:52,868 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 167 transitions. [2023-11-11 23:58:52,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:58:52,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:52,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:52,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:52,872 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:52,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbcb77-347a-46f9-a721-57c939dcf02c/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-11 23:58:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:53,079 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:53,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-11 23:58:53,185 INFO L285 TraceCheckSpWp]: Computing forward predicates...