./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2 --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 d570de8a468b2e5d7e18a67170da2d8f06202ccdf10baa0799e3c0763140866e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:51:20,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:51:20,949 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:51:20,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:51:20,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:51:20,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:51:20,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:51:20,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:51:20,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:51:20,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:51:20,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:51:20,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:51:20,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:51:20,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:51:20,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:51:20,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:51:20,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:51:20,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:51:20,988 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:51:20,989 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:51:20,989 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:51:20,990 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:51:20,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:51:20,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:20,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:51:20,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:51:20,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:51:20,993 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:51:20,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:51:20,994 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:51:20,994 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_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d570de8a468b2e5d7e18a67170da2d8f06202ccdf10baa0799e3c0763140866e [2023-11-21 18:51:21,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:51:21,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:51:21,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:51:21,269 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:51:21,270 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:51:21,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c [2023-11-21 18:51:24,351 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:51:24,651 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:51:24,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c [2023-11-21 18:51:24,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/data/3f0be6fd0/06fa3a6ab63c4df797694b7b0054f5f8/FLAG7d6ae3b27 [2023-11-21 18:51:24,683 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/data/3f0be6fd0/06fa3a6ab63c4df797694b7b0054f5f8 [2023-11-21 18:51:24,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:51:24,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:51:24,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:24,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:51:24,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:51:24,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:24" (1/1) ... [2023-11-21 18:51:24,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a75abaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:24, skipping insertion in model container [2023-11-21 18:51:24,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:24" (1/1) ... [2023-11-21 18:51:24,767 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:51:24,998 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_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c[1259,1272] [2023-11-21 18:51:25,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:25,397 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:51:25,413 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_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c[1259,1272] [2023-11-21 18:51:25,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:25,696 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:51:25,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:25 WrapperNode [2023-11-21 18:51:25,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:25,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:25,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:51:25,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:51:25,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:25" (1/1) ... [2023-11-21 18:51:25,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:25" (1/1) ... [2023-11-21 18:51:26,076 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2523 [2023-11-21 18:51:26,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:26,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:51:26,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:51:26,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:51:26,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:25" (1/1) ... [2023-11-21 18:51:26,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:25" (1/1) ... [2023-11-21 18:51:26,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:25" (1/1) ... [2023-11-21 18:51:26,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:25" (1/1) ... [2023-11-21 18:51:26,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:25" (1/1) ... [2023-11-21 18:51:26,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:25" (1/1) ... [2023-11-21 18:51:26,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:25" (1/1) ... [2023-11-21 18:51:26,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:25" (1/1) ... [2023-11-21 18:51:26,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:51:26,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:51:26,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:51:26,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:51:26,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:25" (1/1) ... [2023-11-21 18:51:26,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:26,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:51:26,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:51:26,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:51:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:51:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:51:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:51:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:51:27,010 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:51:27,013 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:51:29,481 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:51:35,966 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:51:35,967 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:51:35,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:35 BoogieIcfgContainer [2023-11-21 18:51:35,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:51:35,971 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:51:35,971 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:51:35,982 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:51:35,982 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:35" (1/1) ... [2023-11-21 18:51:35,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:51:36,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:36,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-21 18:51:36,065 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-21 18:51:36,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:51:36,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:36,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:51:36,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:51:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:51:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:51:38,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:51:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:51:38,759 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:51:38,813 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-21 18:51:38,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:51:38 ImpRootNode [2023-11-21 18:51:38,831 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:51:38,833 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:51:38,833 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:51:38,834 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:51:38,834 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:35" (3/4) ... [2023-11-21 18:51:38,840 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:51:38,842 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:51:38,843 INFO L158 Benchmark]: Toolchain (without parser) took 14154.86ms. Allocated memory was 148.9MB in the beginning and 755.0MB in the end (delta: 606.1MB). Free memory was 100.5MB in the beginning and 317.7MB in the end (delta: -217.1MB). Peak memory consumption was 390.3MB. Max. memory is 16.1GB. [2023-11-21 18:51:38,844 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 148.9MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:51:38,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1008.35ms. Allocated memory was 148.9MB in the beginning and 197.1MB in the end (delta: 48.2MB). Free memory was 100.5MB in the beginning and 149.5MB in the end (delta: -49.0MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2023-11-21 18:51:38,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 378.43ms. Allocated memory is still 197.1MB. Free memory was 149.5MB in the beginning and 98.4MB in the end (delta: 51.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-21 18:51:38,847 INFO L158 Benchmark]: Boogie Preprocessor took 472.19ms. Allocated memory is still 197.1MB. Free memory was 98.4MB in the beginning and 119.4MB in the end (delta: -21.1MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2023-11-21 18:51:38,849 INFO L158 Benchmark]: RCFGBuilder took 9418.39ms. Allocated memory was 197.1MB in the beginning and 755.0MB in the end (delta: 557.8MB). Free memory was 119.4MB in the beginning and 486.5MB in the end (delta: -367.1MB). Peak memory consumption was 452.3MB. Max. memory is 16.1GB. [2023-11-21 18:51:38,850 INFO L158 Benchmark]: CodeCheck took 2860.47ms. Allocated memory is still 755.0MB. Free memory was 486.5MB in the beginning and 317.7MB in the end (delta: 168.8MB). Peak memory consumption was 169.9MB. Max. memory is 16.1GB. [2023-11-21 18:51:38,851 INFO L158 Benchmark]: Witness Printer took 8.83ms. Allocated memory is still 755.0MB. Free memory is still 317.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:51:38,863 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: 2.7s, 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 152, overapproximation of bitwiseAnd at line 159. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L35] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 3); [L36] const SORT_7 msb_SORT_7 = (SORT_7)1 << (3 - 1); [L38] const SORT_26 mask_SORT_26 = (SORT_26)-1 >> (sizeof(SORT_26) * 8 - 2); [L39] const SORT_26 msb_SORT_26 = (SORT_26)1 << (2 - 1); [L41] const SORT_108 mask_SORT_108 = (SORT_108)-1 >> (sizeof(SORT_108) * 8 - 4); [L42] const SORT_108 msb_SORT_108 = (SORT_108)1 << (4 - 1); [L44] const SORT_165 mask_SORT_165 = (SORT_165)-1 >> (sizeof(SORT_165) * 8 - 32); [L45] const SORT_165 msb_SORT_165 = (SORT_165)1 << (32 - 1); [L47] const SORT_7 var_8 = 0; [L48] const SORT_3 var_15 = 0; [L49] const SORT_1 var_41 = 1; [L50] const SORT_1 var_51 = 0; [L51] const SORT_5 var_54 = 0; [L52] const SORT_7 var_68 = 2; [L53] const SORT_7 var_72 = 1; [L54] const SORT_7 var_77 = 4; [L55] const SORT_7 var_79 = 5; [L56] const SORT_7 var_83 = 3; [L57] const SORT_3 var_95 = 2; [L58] const SORT_7 var_125 = 7; [L59] const SORT_7 var_130 = 6; [L60] const SORT_165 var_167 = 0; [L61] const SORT_3 var_197 = 31; [L63] SORT_1 input_2; [L64] SORT_3 input_4; [L65] SORT_5 input_6; [L66] SORT_3 input_186; [L67] SORT_3 input_187; [L68] SORT_3 input_188; [L69] SORT_3 input_196; [L70] SORT_3 input_206; [L71] SORT_3 input_207; [L72] SORT_3 input_208; [L73] SORT_3 input_211; [L74] SORT_3 input_230; [L75] SORT_3 input_231; [L76] SORT_3 input_232; [L77] SORT_3 input_235; [L78] SORT_3 input_237; [L79] SORT_26 input_251; [L80] SORT_26 input_252; [L81] SORT_26 input_253; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 [L83] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L84] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L85] SORT_3 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L86] SORT_3 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L87] SORT_3 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L88] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 [L90] SORT_5 state_55 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L91] SORT_3 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L92] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L93] SORT_3 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L94] SORT_3 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L95] SORT_3 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L97] SORT_7 init_10_arg_1 = var_8; [L98] state_9 = init_10_arg_1 [L99] SORT_3 init_17_arg_1 = var_15; [L100] state_16 = init_17_arg_1 [L101] SORT_3 init_20_arg_1 = var_15; [L102] state_19 = init_20_arg_1 [L103] SORT_3 init_46_arg_1 = var_15; [L104] state_45 = init_46_arg_1 [L105] SORT_3 init_48_arg_1 = var_15; [L106] state_47 = init_48_arg_1 [L107] SORT_3 init_50_arg_1 = var_15; [L108] state_49 = init_50_arg_1 [L109] SORT_1 init_53_arg_1 = var_51; [L110] state_52 = init_53_arg_1 [L111] SORT_5 init_56_arg_1 = var_54; [L112] state_55 = init_56_arg_1 [L113] SORT_3 init_58_arg_1 = var_15; [L114] state_57 = init_58_arg_1 [L115] SORT_3 init_60_arg_1 = var_15; [L116] state_59 = init_60_arg_1 [L117] SORT_3 init_62_arg_1 = var_15; [L118] state_61 = init_62_arg_1 [L119] SORT_3 init_64_arg_1 = var_15; [L120] state_63 = init_64_arg_1 [L121] SORT_3 init_66_arg_1 = var_15; [L122] state_65 = init_66_arg_1 VAL [init_10_arg_1=0, init_17_arg_1=0, init_20_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_53_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, mask_SORT_108=15, mask_SORT_165=4294967295, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, msb_SORT_108=8, msb_SORT_165=2147483648, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, state_16=0, state_19=0, state_45=0, state_47=0, state_49=0, state_52=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_9=0, var_125=7, var_130=6, var_15=0, var_167=0, var_197=31, var_41=1, var_51=0, var_54=0, var_68=2, var_72=1, var_77=4, var_79=5, var_83=3, var_8=0, var_95=2] [L125] input_2 = __VERIFIER_nondet_uchar() [L126] input_4 = __VERIFIER_nondet_uchar() [L127] input_6 = __VERIFIER_nondet_ushort() [L128] input_186 = __VERIFIER_nondet_uchar() [L129] input_187 = __VERIFIER_nondet_uchar() [L130] input_188 = __VERIFIER_nondet_uchar() [L131] input_196 = __VERIFIER_nondet_uchar() [L132] input_206 = __VERIFIER_nondet_uchar() [L133] input_207 = __VERIFIER_nondet_uchar() [L134] input_208 = __VERIFIER_nondet_uchar() [L135] input_211 = __VERIFIER_nondet_uchar() [L136] input_230 = __VERIFIER_nondet_uchar() [L137] input_231 = __VERIFIER_nondet_uchar() [L138] input_232 = __VERIFIER_nondet_uchar() [L139] input_235 = __VERIFIER_nondet_uchar() [L140] input_237 = __VERIFIER_nondet_uchar() [L141] input_251 = __VERIFIER_nondet_uchar() [L142] input_252 = __VERIFIER_nondet_uchar() [L143] input_253 = __VERIFIER_nondet_uchar() [L146] SORT_7 var_11_arg_0 = state_9; [L147] SORT_1 var_11 = var_11_arg_0 >> 0; [L148] SORT_7 var_12_arg_0 = state_9; [L149] SORT_1 var_12 = var_12_arg_0 >> 1; [L150] SORT_1 var_13_arg_0 = var_11; [L151] SORT_1 var_13_arg_1 = var_12; [L152] EXPR var_13_arg_0 | var_13_arg_1 [L152] SORT_1 var_13 = var_13_arg_0 | var_13_arg_1; [L153] SORT_1 var_14_arg_0 = var_13; [L154] SORT_1 var_14 = ~var_14_arg_0; [L155] SORT_3 var_18_arg_0 = state_16; [L156] SORT_1 var_18 = var_18_arg_0 >> 1; [L157] SORT_3 var_21_arg_0 = state_19; [L158] SORT_7 var_21 = var_21_arg_0 >> 2; [L159] EXPR var_21 & mask_SORT_7 [L159] var_21 = var_21 & mask_SORT_7 [L160] SORT_3 var_22_arg_0 = state_16; [L161] SORT_7 var_22 = var_22_arg_0 >> 2; [L162] EXPR var_22 & mask_SORT_7 [L162] var_22 = var_22 & mask_SORT_7 [L163] SORT_7 var_23_arg_0 = var_21; [L164] SORT_7 var_23_arg_1 = var_22; [L165] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L166] SORT_1 var_24_arg_0 = var_18; [L167] SORT_1 var_24_arg_1 = var_23; [L168] EXPR var_24_arg_0 | var_24_arg_1 [L168] SORT_1 var_24 = var_24_arg_0 | var_24_arg_1; [L169] SORT_3 var_25_arg_0 = state_16; [L170] SORT_1 var_25 = var_25_arg_0 >> 2; [L171] SORT_3 var_27_arg_0 = state_19; [L172] SORT_26 var_27 = var_27_arg_0 >> 3; [L173] EXPR var_27 & mask_SORT_26 [L173] var_27 = var_27 & mask_SORT_26 [L174] SORT_3 var_28_arg_0 = state_16; [L175] SORT_26 var_28 = var_28_arg_0 >> 3; [L176] EXPR var_28 & mask_SORT_26 [L176] var_28 = var_28 & mask_SORT_26 [L177] SORT_26 var_29_arg_0 = var_27; [L178] SORT_26 var_29_arg_1 = var_28; [L179] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L180] SORT_1 var_30_arg_0 = var_25; [L181] SORT_1 var_30_arg_1 = var_29; [L182] EXPR var_30_arg_0 | var_30_arg_1 [L182] SORT_1 var_30 = var_30_arg_0 | var_30_arg_1; [L183] SORT_1 var_31_arg_0 = var_24; [L184] SORT_1 var_31_arg_1 = var_30; [L185] EXPR var_31_arg_0 & var_31_arg_1 [L185] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L186] SORT_3 var_32_arg_0 = state_16; [L187] SORT_1 var_32 = var_32_arg_0 >> 3; [L188] SORT_3 var_33_arg_0 = state_19; [L189] SORT_1 var_33 = var_33_arg_0 >> 4; [L190] EXPR var_33 & mask_SORT_1 [L190] var_33 = var_33 & mask_SORT_1 [L191] SORT_3 var_34_arg_0 = state_16; [L192] SORT_1 var_34 = var_34_arg_0 >> 4; [L193] EXPR var_34 & mask_SORT_1 [L193] var_34 = var_34 & mask_SORT_1 [L194] SORT_1 var_35_arg_0 = var_33; [L195] SORT_1 var_35_arg_1 = var_34; [L196] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L197] SORT_1 var_36_arg_0 = var_32; [L198] SORT_1 var_36_arg_1 = var_35; [L199] EXPR var_36_arg_0 | var_36_arg_1 [L199] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L200] SORT_1 var_37_arg_0 = var_31; [L201] SORT_1 var_37_arg_1 = var_36; [L202] EXPR var_37_arg_0 & var_37_arg_1 [L202] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L203] SORT_1 var_38_arg_0 = var_14; [L204] SORT_1 var_38_arg_1 = var_37; [L205] EXPR var_38_arg_0 | var_38_arg_1 [L205] SORT_1 var_38 = var_38_arg_0 | var_38_arg_1; [L206] SORT_1 var_42_arg_0 = var_38; [L207] SORT_1 var_42 = ~var_42_arg_0; [L208] SORT_1 var_43_arg_0 = var_41; [L209] SORT_1 var_43_arg_1 = var_42; [L210] EXPR var_43_arg_0 & var_43_arg_1 [L210] SORT_1 var_43 = var_43_arg_0 & var_43_arg_1; [L211] EXPR var_43 & mask_SORT_1 [L211] var_43 = var_43 & mask_SORT_1 [L212] SORT_1 bad_44_arg_0 = var_43; [L213] CALL __VERIFIER_assert(!(bad_44_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 0.34ms. Allocated memory is still 148.9MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1008.35ms. Allocated memory was 148.9MB in the beginning and 197.1MB in the end (delta: 48.2MB). Free memory was 100.5MB in the beginning and 149.5MB in the end (delta: -49.0MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 378.43ms. Allocated memory is still 197.1MB. Free memory was 149.5MB in the beginning and 98.4MB in the end (delta: 51.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 472.19ms. Allocated memory is still 197.1MB. Free memory was 98.4MB in the beginning and 119.4MB in the end (delta: -21.1MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * RCFGBuilder took 9418.39ms. Allocated memory was 197.1MB in the beginning and 755.0MB in the end (delta: 557.8MB). Free memory was 119.4MB in the beginning and 486.5MB in the end (delta: -367.1MB). Peak memory consumption was 452.3MB. Max. memory is 16.1GB. * CodeCheck took 2860.47ms. Allocated memory is still 755.0MB. Free memory was 486.5MB in the beginning and 317.7MB in the end (delta: 168.8MB). Peak memory consumption was 169.9MB. Max. memory is 16.1GB. * Witness Printer took 8.83ms. Allocated memory is still 755.0MB. Free memory is still 317.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:51:38,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/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_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2 --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 d570de8a468b2e5d7e18a67170da2d8f06202ccdf10baa0799e3c0763140866e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:51:41,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:51:41,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-21 18:51:41,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:51:41,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:51:41,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:51:41,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:51:41,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:51:41,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:51:41,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:51:41,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:51:41,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:51:41,912 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:51:41,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:51:41,914 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:51:41,915 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:51:41,916 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:51:41,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:51:41,917 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:51:41,919 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:51:41,919 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:51:41,920 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:51:41,920 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:51:41,921 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:51:41,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:51:41,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:41,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:51:41,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:51:41,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:51:41,923 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:51:41,925 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:51:41,925 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:51:41,925 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:51:41,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:51:41,926 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_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d570de8a468b2e5d7e18a67170da2d8f06202ccdf10baa0799e3c0763140866e [2023-11-21 18:51:42,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:51:42,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:51:42,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:51:42,376 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:51:42,377 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:51:42,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c [2023-11-21 18:51:45,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:51:46,064 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:51:46,065 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c [2023-11-21 18:51:46,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/data/8af9bf4c5/6b13fc6ae7624ae1a32770031339f4a1/FLAG2e7a59716 [2023-11-21 18:51:46,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/data/8af9bf4c5/6b13fc6ae7624ae1a32770031339f4a1 [2023-11-21 18:51:46,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:51:46,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:51:46,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:46,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:51:46,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:51:46,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:46" (1/1) ... [2023-11-21 18:51:46,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dec91b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:46, skipping insertion in model container [2023-11-21 18:51:46,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:46" (1/1) ... [2023-11-21 18:51:46,178 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:51:46,387 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_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c[1259,1272] [2023-11-21 18:51:46,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:46,690 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:51:46,703 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_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p12.c[1259,1272] [2023-11-21 18:51:46,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:46,917 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:51:46,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:46 WrapperNode [2023-11-21 18:51:46,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:46,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:46,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:51:46,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:51:46,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:46" (1/1) ... [2023-11-21 18:51:46,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:46" (1/1) ... [2023-11-21 18:51:47,080 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1119 [2023-11-21 18:51:47,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:47,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:51:47,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:51:47,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:51:47,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:46" (1/1) ... [2023-11-21 18:51:47,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:46" (1/1) ... [2023-11-21 18:51:47,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:46" (1/1) ... [2023-11-21 18:51:47,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:46" (1/1) ... [2023-11-21 18:51:47,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:46" (1/1) ... [2023-11-21 18:51:47,202 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:46" (1/1) ... [2023-11-21 18:51:47,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:46" (1/1) ... [2023-11-21 18:51:47,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:46" (1/1) ... [2023-11-21 18:51:47,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:51:47,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:51:47,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:51:47,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:51:47,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:46" (1/1) ... [2023-11-21 18:51:47,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:47,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:51:47,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:51:47,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:51:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:51:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:51:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:51:47,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:51:47,652 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:51:47,655 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:51:49,194 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:51:49,288 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:51:49,289 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:51:49,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:49 BoogieIcfgContainer [2023-11-21 18:51:49,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:51:49,292 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:51:49,292 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:51:49,304 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:51:49,304 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:49" (1/1) ... [2023-11-21 18:51:49,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:51:49,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:49,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-21 18:51:49,368 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-21 18:51:49,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:51:49,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:49,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:51:49,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:51:49,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:51:49,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:51:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:49,871 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:51:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:50,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:51:50,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:50,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:50,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-21 18:51:50,373 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:51:50,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-21 18:51:50,652 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-21 18:51:50,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:51:50,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:50,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:51:50,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:51:50,655 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:51:50,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:51:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:51,615 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:51:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:52,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 86 conjunts are in the unsatisfiable core [2023-11-21 18:51:52,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:53,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:53,066 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:51:53,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:51:54,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:54,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-11-21 18:51:54,708 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-11-21 18:51:54,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:51:54,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:54,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:51:54,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:51:54,719 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:51:54,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 18:51:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:56,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:51:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:56,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 1867 conjuncts, 201 conjunts are in the unsatisfiable core [2023-11-21 18:51:56,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:01,961 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:52:01,972 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:52:01,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-21 18:52:07,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2023-11-21 18:52:07,270 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2023-11-21 18:52:07,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:52:07,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:07,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:52:07,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:52:07,275 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:52:07,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56fb5b6-83f0-487b-b2ff-4bed9abd21d8/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process