./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi --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 cd6ac0f1fc1701a755f398ed8f8c999e6c7d4b309c48c83fd17b2861bc532c01 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:21,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:21,071 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-24 22:10:21,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:21,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:21,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:21,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:21,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:21,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:21,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:21,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:21,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:21,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:21,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:21,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:21,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:21,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:21,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:21,111 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:21,112 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:21,113 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:21,113 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:21,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:21,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:21,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:21,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:21,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:21,117 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:21,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:21,123 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:21,124 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_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd6ac0f1fc1701a755f398ed8f8c999e6c7d4b309c48c83fd17b2861bc532c01 [2023-11-24 22:10:21,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:21,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:21,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:21,429 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:21,430 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:21,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c [2023-11-24 22:10:24,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:24,916 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:24,926 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c [2023-11-24 22:10:24,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/data/fe5a30aa3/0461d1e6051543eaa2952b1125fcda0f/FLAGe44ba0c7f [2023-11-24 22:10:24,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/data/fe5a30aa3/0461d1e6051543eaa2952b1125fcda0f [2023-11-24 22:10:24,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:24,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:24,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:24,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:24,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:24,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:24" (1/1) ... [2023-11-24 22:10:24,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d56a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:24, skipping insertion in model container [2023-11-24 22:10:24,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:24" (1/1) ... [2023-11-24 22:10:25,072 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:25,289 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_0385b86f-bc89-4f33-9a52-ff4c8a89a519/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c[1171,1184] [2023-11-24 22:10:25,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:25,809 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:25,825 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_0385b86f-bc89-4f33-9a52-ff4c8a89a519/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c[1171,1184] [2023-11-24 22:10:26,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:26,032 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:26,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:26 WrapperNode [2023-11-24 22:10:26,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:26,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:26,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:26,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:26,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:26" (1/1) ... [2023-11-24 22:10:26,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:26" (1/1) ... [2023-11-24 22:10:27,329 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7396 [2023-11-24 22:10:27,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:27,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:27,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:27,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:27,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:26" (1/1) ... [2023-11-24 22:10:27,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:26" (1/1) ... [2023-11-24 22:10:27,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:26" (1/1) ... [2023-11-24 22:10:27,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:26" (1/1) ... [2023-11-24 22:10:27,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:26" (1/1) ... [2023-11-24 22:10:28,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:26" (1/1) ... [2023-11-24 22:10:28,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:26" (1/1) ... [2023-11-24 22:10:28,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:26" (1/1) ... [2023-11-24 22:10:28,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:28,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:28,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:28,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:28,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:26" (1/1) ... [2023-11-24 22:10:28,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:28,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:28,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:28,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:28,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:10:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:28,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:29,151 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:29,154 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:34,510 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:47,215 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:47,216 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:10:47,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:47 BoogieIcfgContainer [2023-11-24 22:10:47,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:47,220 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:47,220 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:47,232 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:47,232 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:47,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:47,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-24 22:10:47,315 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-24 22:10:47,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:10:47,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:47,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:48,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:10:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:49,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:10:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:50,618 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:10:50,670 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-24 22:10:50,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:10:50 ImpRootNode [2023-11-24 22:10:50,686 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:10:50,687 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:10:50,687 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:10:50,687 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:10:50,688 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:47" (3/4) ... [2023-11-24 22:10:50,692 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:10:50,693 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:10:50,694 INFO L158 Benchmark]: Toolchain (without parser) took 25716.06ms. Allocated memory was 174.1MB in the beginning and 5.9GB in the end (delta: 5.7GB). Free memory was 125.9MB in the beginning and 5.5GB in the end (delta: -5.3GB). Peak memory consumption was 380.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:50,695 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 136.3MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:50,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1052.20ms. Allocated memory is still 174.1MB. Free memory was 125.6MB in the beginning and 88.6MB in the end (delta: 37.0MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:50,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 1296.46ms. Allocated memory was 174.1MB in the beginning and 297.8MB in the end (delta: 123.7MB). Free memory was 88.6MB in the beginning and 136.8MB in the end (delta: -48.3MB). Peak memory consumption was 109.4MB. Max. memory is 16.1GB. [2023-11-24 22:10:50,698 INFO L158 Benchmark]: Boogie Preprocessor took 1001.84ms. Allocated memory was 297.8MB in the beginning and 566.2MB in the end (delta: 268.4MB). Free memory was 136.8MB in the beginning and 367.4MB in the end (delta: -230.6MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2023-11-24 22:10:50,698 INFO L158 Benchmark]: RCFGBuilder took 18885.08ms. Allocated memory was 566.2MB in the beginning and 3.3GB in the end (delta: 2.8GB). Free memory was 367.4MB in the beginning and 2.8GB in the end (delta: -2.5GB). Peak memory consumption was 882.6MB. Max. memory is 16.1GB. [2023-11-24 22:10:50,699 INFO L158 Benchmark]: CodeCheck took 3466.57ms. Allocated memory was 3.3GB in the beginning and 5.9GB in the end (delta: 2.6GB). Free memory was 2.8GB in the beginning and 5.5GB in the end (delta: -2.6GB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:50,700 INFO L158 Benchmark]: Witness Printer took 6.08ms. Allocated memory is still 5.9GB. Free memory was 5.5GB in the beginning and 5.5GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:50,705 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: 3.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s 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 161. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_24 = 0; [L40] const SORT_4 var_57 = 1; [L41] const SORT_4 var_58 = 0; [L42] const SORT_2 var_68 = 2; [L43] const SORT_2 var_70 = 1; [L44] const SORT_2 var_72 = 0; [L45] const SORT_2 var_108 = 6; [L46] const SORT_2 var_109 = 255; [L47] const SORT_2 var_118 = 24; [L48] const SORT_2 var_127 = 14; [L49] const SORT_3 var_292 = 0; [L50] const SORT_4 var_294 = 6; [L51] const SORT_4 var_326 = 24; [L52] const SORT_4 var_358 = 14; [L54] SORT_1 input_67; [L55] SORT_1 input_69; [L56] SORT_1 input_71; [L57] SORT_1 input_73; [L58] SORT_1 input_79; [L59] SORT_1 input_82; [L60] SORT_1 input_83; [L61] SORT_1 input_84; [L62] SORT_1 input_85; [L63] SORT_1 input_91; [L64] SORT_1 input_94; [L65] SORT_1 input_95; [L66] SORT_1 input_96; [L67] SORT_1 input_97; [L68] SORT_1 input_103; [L69] SORT_1 input_106; [L70] SORT_1 input_107; [L71] SORT_1 input_116; [L72] SORT_1 input_117; [L73] SORT_1 input_125; [L74] SORT_1 input_126; [L75] SORT_1 input_141; [L76] SORT_1 input_143; [L77] SORT_1 input_162; [L78] SORT_1 input_164; [L79] SORT_1 input_183; [L80] SORT_1 input_185; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L82] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L83] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L84] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L85] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L86] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L87] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L88] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L89] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L90] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L91] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L92] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L93] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L94] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L95] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L96] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L97] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L98] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L99] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L100] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L101] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L102] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L103] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L104] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L105] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L106] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] SORT_2 init_7_arg_1 = var_5; [L109] state_6 = init_7_arg_1 [L110] SORT_2 init_9_arg_1 = var_5; [L111] state_8 = init_9_arg_1 [L112] SORT_2 init_11_arg_1 = var_5; [L113] state_10 = init_11_arg_1 [L114] SORT_2 init_13_arg_1 = var_5; [L115] state_12 = init_13_arg_1 [L116] SORT_2 init_15_arg_1 = var_5; [L117] state_14 = init_15_arg_1 [L118] SORT_2 init_17_arg_1 = var_5; [L119] state_16 = init_17_arg_1 [L120] SORT_2 init_19_arg_1 = var_5; [L121] state_18 = init_19_arg_1 [L122] SORT_2 init_21_arg_1 = var_5; [L123] state_20 = init_21_arg_1 [L124] SORT_2 init_23_arg_1 = var_5; [L125] state_22 = init_23_arg_1 [L126] SORT_1 init_26_arg_1 = var_24; [L127] state_25 = init_26_arg_1 [L128] SORT_1 init_28_arg_1 = var_24; [L129] state_27 = init_28_arg_1 [L130] SORT_1 init_30_arg_1 = var_24; [L131] state_29 = init_30_arg_1 [L132] SORT_1 init_32_arg_1 = var_24; [L133] state_31 = init_32_arg_1 [L134] SORT_1 init_34_arg_1 = var_24; [L135] state_33 = init_34_arg_1 [L136] SORT_1 init_36_arg_1 = var_24; [L137] state_35 = init_36_arg_1 [L138] SORT_1 init_38_arg_1 = var_24; [L139] state_37 = init_38_arg_1 [L140] SORT_1 init_40_arg_1 = var_24; [L141] state_39 = init_40_arg_1 [L142] SORT_1 init_42_arg_1 = var_24; [L143] state_41 = init_42_arg_1 [L144] SORT_1 init_44_arg_1 = var_24; [L145] state_43 = init_44_arg_1 [L146] SORT_1 init_46_arg_1 = var_24; [L147] state_45 = init_46_arg_1 [L148] SORT_1 init_48_arg_1 = var_24; [L149] state_47 = init_48_arg_1 [L150] SORT_1 init_50_arg_1 = var_24; [L151] state_49 = init_50_arg_1 [L152] SORT_1 init_52_arg_1 = var_24; [L153] state_51 = init_52_arg_1 [L154] SORT_1 init_54_arg_1 = var_24; [L155] state_53 = init_54_arg_1 [L156] SORT_1 init_56_arg_1 = var_24; [L157] state_55 = init_56_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_108=6, var_109=255, var_118=24, var_127=14, var_24=0, var_292=0, var_294=6, var_326=24, var_358=14, var_57=1, var_58=0, var_5=0, var_68=2, var_70=1, var_72=0] [L160] input_67 = __VERIFIER_nondet_uchar() [L161] EXPR input_67 & mask_SORT_1 [L161] input_67 = input_67 & mask_SORT_1 [L162] input_69 = __VERIFIER_nondet_uchar() [L163] EXPR input_69 & mask_SORT_1 [L163] input_69 = input_69 & mask_SORT_1 [L164] input_71 = __VERIFIER_nondet_uchar() [L165] EXPR input_71 & mask_SORT_1 [L165] input_71 = input_71 & mask_SORT_1 [L166] input_73 = __VERIFIER_nondet_uchar() [L167] EXPR input_73 & mask_SORT_1 [L167] input_73 = input_73 & mask_SORT_1 [L168] input_79 = __VERIFIER_nondet_uchar() [L169] EXPR input_79 & mask_SORT_1 [L169] input_79 = input_79 & mask_SORT_1 [L170] input_82 = __VERIFIER_nondet_uchar() [L171] EXPR input_82 & mask_SORT_1 [L171] input_82 = input_82 & mask_SORT_1 [L172] input_83 = __VERIFIER_nondet_uchar() [L173] EXPR input_83 & mask_SORT_1 [L173] input_83 = input_83 & mask_SORT_1 [L174] input_84 = __VERIFIER_nondet_uchar() [L175] EXPR input_84 & mask_SORT_1 [L175] input_84 = input_84 & mask_SORT_1 [L176] input_85 = __VERIFIER_nondet_uchar() [L177] EXPR input_85 & mask_SORT_1 [L177] input_85 = input_85 & mask_SORT_1 [L178] input_91 = __VERIFIER_nondet_uchar() [L179] EXPR input_91 & mask_SORT_1 [L179] input_91 = input_91 & mask_SORT_1 [L180] input_94 = __VERIFIER_nondet_uchar() [L181] EXPR input_94 & mask_SORT_1 [L181] input_94 = input_94 & mask_SORT_1 [L182] input_95 = __VERIFIER_nondet_uchar() [L183] EXPR input_95 & mask_SORT_1 [L183] input_95 = input_95 & mask_SORT_1 [L184] input_96 = __VERIFIER_nondet_uchar() [L185] EXPR input_96 & mask_SORT_1 [L185] input_96 = input_96 & mask_SORT_1 [L186] input_97 = __VERIFIER_nondet_uchar() [L187] EXPR input_97 & mask_SORT_1 [L187] input_97 = input_97 & mask_SORT_1 [L188] input_103 = __VERIFIER_nondet_uchar() [L189] EXPR input_103 & mask_SORT_1 [L189] input_103 = input_103 & mask_SORT_1 [L190] input_106 = __VERIFIER_nondet_uchar() [L191] EXPR input_106 & mask_SORT_1 [L191] input_106 = input_106 & mask_SORT_1 [L192] input_107 = __VERIFIER_nondet_uchar() [L193] EXPR input_107 & mask_SORT_1 [L193] input_107 = input_107 & mask_SORT_1 [L194] input_116 = __VERIFIER_nondet_uchar() [L195] EXPR input_116 & mask_SORT_1 [L195] input_116 = input_116 & mask_SORT_1 [L196] input_117 = __VERIFIER_nondet_uchar() [L197] EXPR input_117 & mask_SORT_1 [L197] input_117 = input_117 & mask_SORT_1 [L198] input_125 = __VERIFIER_nondet_uchar() [L199] EXPR input_125 & mask_SORT_1 [L199] input_125 = input_125 & mask_SORT_1 [L200] input_126 = __VERIFIER_nondet_uchar() [L201] EXPR input_126 & mask_SORT_1 [L201] input_126 = input_126 & mask_SORT_1 [L202] input_141 = __VERIFIER_nondet_uchar() [L203] input_143 = __VERIFIER_nondet_uchar() [L204] input_162 = __VERIFIER_nondet_uchar() [L205] input_164 = __VERIFIER_nondet_uchar() [L206] input_183 = __VERIFIER_nondet_uchar() [L207] input_185 = __VERIFIER_nondet_uchar() [L210] SORT_1 var_59_arg_0 = ~state_27; [L211] EXPR var_59_arg_0 & mask_SORT_1 [L211] var_59_arg_0 = var_59_arg_0 & mask_SORT_1 [L212] SORT_4 var_59_arg_1 = var_57; [L213] SORT_4 var_59_arg_2 = var_58; [L214] SORT_4 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L215] SORT_1 var_60_arg_0 = state_33; [L216] SORT_4 var_60_arg_1 = var_57; [L217] SORT_4 var_60_arg_2 = var_58; [L218] SORT_4 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L219] SORT_4 var_61_arg_0 = var_59; [L220] SORT_4 var_61_arg_1 = var_60; [L221] SORT_4 var_61 = var_61_arg_0 + var_61_arg_1; [L222] SORT_1 var_62_arg_0 = state_39; [L223] SORT_4 var_62_arg_1 = var_57; [L224] SORT_4 var_62_arg_2 = var_58; [L225] SORT_4 var_62 = var_62_arg_0 ? var_62_arg_1 : var_62_arg_2; [L226] SORT_4 var_63_arg_0 = var_61; [L227] SORT_4 var_63_arg_1 = var_62; [L228] SORT_4 var_63 = var_63_arg_0 + var_63_arg_1; [L229] EXPR var_63 & mask_SORT_4 [L229] var_63 = var_63 & mask_SORT_4 [L230] SORT_4 var_64_arg_0 = var_63; [L231] SORT_4 var_64_arg_1 = var_57; [L232] SORT_1 var_64 = var_64_arg_0 <= var_64_arg_1; [L233] SORT_1 var_65_arg_0 = ~state_55; [L234] EXPR var_65_arg_0 & mask_SORT_1 [L234] var_65_arg_0 = var_65_arg_0 & mask_SORT_1 [L235] SORT_1 var_65_arg_1 = ~var_64; [L236] EXPR var_65_arg_1 & mask_SORT_1 [L236] var_65_arg_1 = var_65_arg_1 & mask_SORT_1 [L237] EXPR var_65_arg_0 & var_65_arg_1 [L237] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L238] EXPR var_65 & mask_SORT_1 [L238] var_65 = var_65 & mask_SORT_1 [L239] SORT_1 bad_66_arg_0 = var_65; [L240] CALL __VERIFIER_assert(!(bad_66_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 0.38ms. Allocated memory is still 136.3MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1052.20ms. Allocated memory is still 174.1MB. Free memory was 125.6MB in the beginning and 88.6MB in the end (delta: 37.0MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1296.46ms. Allocated memory was 174.1MB in the beginning and 297.8MB in the end (delta: 123.7MB). Free memory was 88.6MB in the beginning and 136.8MB in the end (delta: -48.3MB). Peak memory consumption was 109.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1001.84ms. Allocated memory was 297.8MB in the beginning and 566.2MB in the end (delta: 268.4MB). Free memory was 136.8MB in the beginning and 367.4MB in the end (delta: -230.6MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * RCFGBuilder took 18885.08ms. Allocated memory was 566.2MB in the beginning and 3.3GB in the end (delta: 2.8GB). Free memory was 367.4MB in the beginning and 2.8GB in the end (delta: -2.5GB). Peak memory consumption was 882.6MB. Max. memory is 16.1GB. * CodeCheck took 3466.57ms. Allocated memory was 3.3GB in the beginning and 5.9GB in the end (delta: 2.6GB). Free memory was 2.8GB in the beginning and 5.5GB in the end (delta: -2.6GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.08ms. Allocated memory is still 5.9GB. Free memory was 5.5GB in the beginning and 5.5GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:10:50,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/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_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi --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 cd6ac0f1fc1701a755f398ed8f8c999e6c7d4b309c48c83fd17b2861bc532c01 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:53,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:53,661 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-24 22:10:53,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:53,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:53,717 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:53,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:53,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:53,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:53,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:53,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:53,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:53,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:53,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:53,730 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:10:53,730 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:10:53,731 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:10:53,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:53,732 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:53,733 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:53,733 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:53,734 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:53,735 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:10:53,735 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:10:53,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:53,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:53,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:53,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:53,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:53,739 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:10:53,740 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:10:53,741 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:53,741 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:10:53,742 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:10:53,742 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_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd6ac0f1fc1701a755f398ed8f8c999e6c7d4b309c48c83fd17b2861bc532c01 [2023-11-24 22:10:54,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:54,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:54,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:54,180 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:54,182 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:54,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c [2023-11-24 22:10:57,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:57,832 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:57,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c [2023-11-24 22:10:57,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/data/7fff48d7b/dd1ee56e567e49eea1df79aceefc4bd2/FLAGb0c7905cb [2023-11-24 22:10:57,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/data/7fff48d7b/dd1ee56e567e49eea1df79aceefc4bd2 [2023-11-24 22:10:57,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:57,880 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:57,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:57,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:57,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:57,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:57" (1/1) ... [2023-11-24 22:10:57,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59e8506d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:57, skipping insertion in model container [2023-11-24 22:10:57,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:57" (1/1) ... [2023-11-24 22:10:57,980 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:58,266 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_0385b86f-bc89-4f33-9a52-ff4c8a89a519/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c[1171,1184] [2023-11-24 22:10:58,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:58,772 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:58,788 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_0385b86f-bc89-4f33-9a52-ff4c8a89a519/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-func-interl.c[1171,1184] [2023-11-24 22:10:58,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:58,952 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:58,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58 WrapperNode [2023-11-24 22:10:58,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:58,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:58,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:58,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:58,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:59,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:59,195 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1764 [2023-11-24 22:10:59,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:59,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:59,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:59,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:59,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:59,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:59,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:59,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:59,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:59,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:59,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:59,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:59,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:59,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:59,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:59,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:59,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:59,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:59,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:59,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:59,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:10:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:59,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:59,833 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:59,835 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:02,781 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:02,908 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:02,908 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:11:02,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:02 BoogieIcfgContainer [2023-11-24 22:11:02,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:02,911 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:02,911 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:02,921 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:02,922 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:02" (1/1) ... [2023-11-24 22:11:02,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:02,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:02,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-24 22:11:02,997 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-24 22:11:02,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:11:03,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:03,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:03,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:11:03,004 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:11:03,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:11:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:03,633 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:11:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:03,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-24 22:11:03,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:04,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:04,236 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:11:04,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:11:04,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:04,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-24 22:11:04,545 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-24 22:11:04,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:11:04,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:04,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:04,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:11:04,548 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:11:04,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0385b86f-bc89-4f33-9a52-ff4c8a89a519/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:11:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:05,702 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:11:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:06,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 1455 conjuncts, 141 conjunts are in the unsatisfiable core [2023-11-24 22:11:06,325 INFO L285 TraceCheckSpWp]: Computing forward predicates...