./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/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_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/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_a55fcd90-3ec9-45fa-ac14-59ea568a8481/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 f7a00abffb1476a0a9385c66cbd20320ef85b37eb0a9fea8a014633d72f397a0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:12,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:12,849 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:31:12,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:31:12,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:31:12,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:12,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:12,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:12,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:12,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:12,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:12,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:12,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:31:12,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:12,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:12,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:12,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:12,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:12,911 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:12,912 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:12,913 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:12,914 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:12,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:12,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:12,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:12,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:12,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:12,918 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:31:12,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:31:12,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:12,920 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_a55fcd90-3ec9-45fa-ac14-59ea568a8481/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7a00abffb1476a0a9385c66cbd20320ef85b37eb0a9fea8a014633d72f397a0 [2023-11-21 18:31:13,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:13,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:13,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:13,277 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:13,278 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:13,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-11-21 18:31:16,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:16,842 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:16,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-11-21 18:31:16,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/data/2d686bba9/46ff893502204b488cf304580fdb1064/FLAG65ff98d3b [2023-11-21 18:31:16,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/data/2d686bba9/46ff893502204b488cf304580fdb1064 [2023-11-21 18:31:16,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:16,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:16,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:16,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:16,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:16,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:16" (1/1) ... [2023-11-21 18:31:16,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54af62cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:16, skipping insertion in model container [2023-11-21 18:31:16,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:16" (1/1) ... [2023-11-21 18:31:16,986 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:17,212 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_a55fcd90-3ec9-45fa-ac14-59ea568a8481/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c[1259,1272] [2023-11-21 18:31:17,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:17,549 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:17,563 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_a55fcd90-3ec9-45fa-ac14-59ea568a8481/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c[1259,1272] [2023-11-21 18:31:17,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:17,731 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:17,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:17 WrapperNode [2023-11-21 18:31:17,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:17,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:17,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:17,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:17,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:17" (1/1) ... [2023-11-21 18:31:17,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:17" (1/1) ... [2023-11-21 18:31:18,312 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2359 [2023-11-21 18:31:18,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:18,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:18,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:18,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:18,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:17" (1/1) ... [2023-11-21 18:31:18,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:17" (1/1) ... [2023-11-21 18:31:18,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:17" (1/1) ... [2023-11-21 18:31:18,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:17" (1/1) ... [2023-11-21 18:31:18,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:17" (1/1) ... [2023-11-21 18:31:18,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:17" (1/1) ... [2023-11-21 18:31:18,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:17" (1/1) ... [2023-11-21 18:31:18,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:17" (1/1) ... [2023-11-21 18:31:18,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:18,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:18,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:18,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:18,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:17" (1/1) ... [2023-11-21 18:31:18,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:18,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:18,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:18,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:18,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:31:18,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:31:18,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:18,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:19,079 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:19,082 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:21,486 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:26,281 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:31:26,281 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:31:26,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:26 BoogieIcfgContainer [2023-11-21 18:31:26,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:31:26,285 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:31:26,285 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:31:26,296 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:31:26,296 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:26" (1/1) ... [2023-11-21 18:31:26,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:31:26,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:26,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-21 18:31:26,361 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-21 18:31:26,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:31:26,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:26,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:31:26,839 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:31:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:31:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:31:27,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:31:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:31:27,823 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:31:27,885 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-21 18:31:27,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:31:27 ImpRootNode [2023-11-21 18:31:27,892 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:31:27,893 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:31:27,893 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:31:27,894 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:31:27,894 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:26" (3/4) ... [2023-11-21 18:31:27,897 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:31:27,898 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:31:27,900 INFO L158 Benchmark]: Toolchain (without parser) took 11011.15ms. Allocated memory was 157.3MB in the beginning and 601.9MB in the end (delta: 444.6MB). Free memory was 125.9MB in the beginning and 475.4MB in the end (delta: -349.5MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2023-11-21 18:31:27,901 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 100.7MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:27,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 843.07ms. Allocated memory is still 157.3MB. Free memory was 125.9MB in the beginning and 81.2MB in the end (delta: 44.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-21 18:31:27,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 580.41ms. Allocated memory is still 157.3MB. Free memory was 81.2MB in the beginning and 96.0MB in the end (delta: -14.9MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2023-11-21 18:31:27,904 INFO L158 Benchmark]: Boogie Preprocessor took 335.88ms. Allocated memory is still 157.3MB. Free memory was 96.0MB in the beginning and 87.4MB in the end (delta: 8.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2023-11-21 18:31:27,906 INFO L158 Benchmark]: RCFGBuilder took 7632.15ms. Allocated memory was 157.3MB in the beginning and 601.9MB in the end (delta: 444.6MB). Free memory was 87.4MB in the beginning and 229.0MB in the end (delta: -141.6MB). Peak memory consumption was 376.3MB. Max. memory is 16.1GB. [2023-11-21 18:31:27,907 INFO L158 Benchmark]: CodeCheck took 1607.81ms. Allocated memory is still 601.9MB. Free memory was 228.0MB in the beginning and 475.4MB in the end (delta: -247.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:27,907 INFO L158 Benchmark]: Witness Printer took 5.53ms. Allocated memory is still 601.9MB. Free memory is still 475.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:27,917 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 158. 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_44 mask_SORT_44 = (SORT_44)-1 >> (sizeof(SORT_44) * 8 - 3); [L36] const SORT_44 msb_SORT_44 = (SORT_44)1 << (3 - 1); [L38] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 2); [L39] const SORT_71 msb_SORT_71 = (SORT_71)1 << (2 - 1); [L41] const SORT_73 mask_SORT_73 = (SORT_73)-1 >> (sizeof(SORT_73) * 8 - 32); [L42] const SORT_73 msb_SORT_73 = (SORT_73)1 << (32 - 1); [L44] const SORT_179 mask_SORT_179 = (SORT_179)-1 >> (sizeof(SORT_179) * 8 - 4); [L45] const SORT_179 msb_SORT_179 = (SORT_179)1 << (4 - 1); [L47] const SORT_3 var_7 = 0; [L48] const SORT_1 var_12 = 0; [L49] const SORT_1 var_23 = 1; [L50] const SORT_5 var_35 = 0; [L51] const SORT_44 var_45 = 0; [L52] const SORT_44 var_49 = 2; [L53] const SORT_44 var_53 = 1; [L54] const SORT_44 var_58 = 4; [L55] const SORT_44 var_60 = 5; [L56] const SORT_44 var_64 = 3; [L57] const SORT_73 var_75 = 0; [L58] const SORT_3 var_82 = 31; [L59] const SORT_44 var_272 = 7; [L60] const SORT_44 var_277 = 6; [L61] const SORT_3 var_330 = 2; [L63] SORT_1 input_2; [L64] SORT_3 input_4; [L65] SORT_5 input_6; [L66] SORT_3 input_68; [L67] SORT_3 input_69; [L68] SORT_3 input_70; [L69] SORT_3 input_81; [L70] SORT_3 input_91; [L71] SORT_3 input_92; [L72] SORT_3 input_93; [L73] SORT_3 input_96; [L74] SORT_3 input_115; [L75] SORT_3 input_116; [L76] SORT_3 input_117; [L77] SORT_3 input_120; [L78] SORT_3 input_122; [L79] SORT_71 input_136; [L80] SORT_71 input_137; [L81] SORT_71 input_138; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L83] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L84] SORT_3 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L85] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L86] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L87] SORT_3 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L88] SORT_3 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L89] SORT_3 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L90] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 [L91] SORT_5 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L92] SORT_3 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L93] SORT_3 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L94] SORT_3 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_44 [L95] SORT_44 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_44; [L97] SORT_3 init_9_arg_1 = var_7; [L98] state_8 = init_9_arg_1 [L99] SORT_3 init_11_arg_1 = var_7; [L100] state_10 = init_11_arg_1 [L101] SORT_3 init_15_arg_1 = var_7; [L102] state_14 = init_15_arg_1 [L103] SORT_3 init_17_arg_1 = var_7; [L104] state_16 = init_17_arg_1 [L105] SORT_3 init_28_arg_1 = var_7; [L106] state_27 = init_28_arg_1 [L107] SORT_3 init_30_arg_1 = var_7; [L108] state_29 = init_30_arg_1 [L109] SORT_3 init_32_arg_1 = var_7; [L110] state_31 = init_32_arg_1 [L111] SORT_1 init_34_arg_1 = var_12; [L112] state_33 = init_34_arg_1 [L113] SORT_5 init_37_arg_1 = var_35; [L114] state_36 = init_37_arg_1 [L115] SORT_3 init_39_arg_1 = var_7; [L116] state_38 = init_39_arg_1 [L117] SORT_3 init_41_arg_1 = var_7; [L118] state_40 = init_41_arg_1 [L119] SORT_3 init_43_arg_1 = var_7; [L120] state_42 = init_43_arg_1 [L121] SORT_44 init_47_arg_1 = var_45; [L122] state_46 = init_47_arg_1 VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L125] input_2 = __VERIFIER_nondet_uchar() [L126] input_4 = __VERIFIER_nondet_uchar() [L127] input_6 = __VERIFIER_nondet_ushort() [L128] input_68 = __VERIFIER_nondet_uchar() [L129] input_69 = __VERIFIER_nondet_uchar() [L130] input_70 = __VERIFIER_nondet_uchar() [L131] input_81 = __VERIFIER_nondet_uchar() [L132] input_91 = __VERIFIER_nondet_uchar() [L133] input_92 = __VERIFIER_nondet_uchar() [L134] input_93 = __VERIFIER_nondet_uchar() [L135] input_96 = __VERIFIER_nondet_uchar() [L136] input_115 = __VERIFIER_nondet_uchar() [L137] input_116 = __VERIFIER_nondet_uchar() [L138] input_117 = __VERIFIER_nondet_uchar() [L139] input_120 = __VERIFIER_nondet_uchar() [L140] input_122 = __VERIFIER_nondet_uchar() [L141] input_136 = __VERIFIER_nondet_uchar() [L142] input_137 = __VERIFIER_nondet_uchar() [L143] input_138 = __VERIFIER_nondet_uchar() [L146] SORT_1 var_18_arg_0 = var_12; [L147] SORT_3 var_18_arg_1 = state_16; [L148] SORT_3 var_18_arg_2 = state_14; [L149] SORT_3 var_18 = var_18_arg_0 ? var_18_arg_1 : var_18_arg_2; [L150] SORT_1 var_13_arg_0 = var_12; [L151] SORT_3 var_13_arg_1 = state_10; [L152] SORT_3 var_13_arg_2 = state_8; [L153] SORT_3 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L154] SORT_1 var_19_arg_0 = var_12; [L155] SORT_3 var_19_arg_1 = var_18; [L156] SORT_3 var_19_arg_2 = var_13; [L157] SORT_3 var_19 = var_19_arg_0 ? var_19_arg_1 : var_19_arg_2; [L158] EXPR var_19 & mask_SORT_3 [L158] var_19 = var_19 & mask_SORT_3 [L159] SORT_3 var_20_arg_0 = var_19; [L160] SORT_3 var_20_arg_1 = var_7; [L161] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L162] SORT_1 var_24_arg_0 = var_20; [L163] SORT_1 var_24 = ~var_24_arg_0; [L164] SORT_1 var_25_arg_0 = var_23; [L165] SORT_1 var_25_arg_1 = var_24; [L166] EXPR var_25_arg_0 & var_25_arg_1 [L166] SORT_1 var_25 = var_25_arg_0 & var_25_arg_1; [L167] EXPR var_25 & mask_SORT_1 [L167] var_25 = var_25 & mask_SORT_1 [L168] SORT_1 bad_26_arg_0 = var_25; [L169] CALL __VERIFIER_assert(!(bad_26_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 100.7MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 843.07ms. Allocated memory is still 157.3MB. Free memory was 125.9MB in the beginning and 81.2MB in the end (delta: 44.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 580.41ms. Allocated memory is still 157.3MB. Free memory was 81.2MB in the beginning and 96.0MB in the end (delta: -14.9MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 335.88ms. Allocated memory is still 157.3MB. Free memory was 96.0MB in the beginning and 87.4MB in the end (delta: 8.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * RCFGBuilder took 7632.15ms. Allocated memory was 157.3MB in the beginning and 601.9MB in the end (delta: 444.6MB). Free memory was 87.4MB in the beginning and 229.0MB in the end (delta: -141.6MB). Peak memory consumption was 376.3MB. Max. memory is 16.1GB. * CodeCheck took 1607.81ms. Allocated memory is still 601.9MB. Free memory was 228.0MB in the beginning and 475.4MB in the end (delta: -247.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.53ms. Allocated memory is still 601.9MB. Free memory is still 475.4MB. 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 18:31:27,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/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_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/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_a55fcd90-3ec9-45fa-ac14-59ea568a8481/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 f7a00abffb1476a0a9385c66cbd20320ef85b37eb0a9fea8a014633d72f397a0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:30,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:30,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-21 18:31:30,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:30,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:30,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:30,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:30,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:30,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:30,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:30,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:30,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:30,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:30,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:30,944 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:31:30,945 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:31:30,946 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:31:30,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:30,947 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:30,948 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:30,948 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:30,949 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:30,949 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:31:30,950 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:31:30,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:30,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:30,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:30,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:30,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:30,953 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:31:30,954 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:31:30,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:30,955 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:31:30,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:31:30,956 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_a55fcd90-3ec9-45fa-ac14-59ea568a8481/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7a00abffb1476a0a9385c66cbd20320ef85b37eb0a9fea8a014633d72f397a0 [2023-11-21 18:31:31,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:31,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:31,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:31,454 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:31,454 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:31,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-11-21 18:31:34,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:34,966 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:34,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-11-21 18:31:34,985 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/data/fd262fd32/3c57dcee46ea4fbf85b066136290166a/FLAG4286fdc81 [2023-11-21 18:31:35,001 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/data/fd262fd32/3c57dcee46ea4fbf85b066136290166a [2023-11-21 18:31:35,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:35,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:35,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:35,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:35,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:35,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:35" (1/1) ... [2023-11-21 18:31:35,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@743da343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:35, skipping insertion in model container [2023-11-21 18:31:35,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:35" (1/1) ... [2023-11-21 18:31:35,074 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:35,251 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_a55fcd90-3ec9-45fa-ac14-59ea568a8481/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c[1259,1272] [2023-11-21 18:31:35,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:35,560 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:35,579 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_a55fcd90-3ec9-45fa-ac14-59ea568a8481/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c[1259,1272] [2023-11-21 18:31:35,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:35,725 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:35,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:35 WrapperNode [2023-11-21 18:31:35,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:35,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:35,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:35,727 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:35,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:35" (1/1) ... [2023-11-21 18:31:35,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:35" (1/1) ... [2023-11-21 18:31:35,909 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1075 [2023-11-21 18:31:35,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:35,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:35,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:35,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:35,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:35" (1/1) ... [2023-11-21 18:31:35,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:35" (1/1) ... [2023-11-21 18:31:35,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:35" (1/1) ... [2023-11-21 18:31:35,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:35" (1/1) ... [2023-11-21 18:31:35,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:35" (1/1) ... [2023-11-21 18:31:36,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:35" (1/1) ... [2023-11-21 18:31:36,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:35" (1/1) ... [2023-11-21 18:31:36,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:35" (1/1) ... [2023-11-21 18:31:36,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:36,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:36,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:36,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:36,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:35" (1/1) ... [2023-11-21 18:31:36,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:36,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:36,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:36,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:31:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:31:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:36,464 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:36,470 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:38,054 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:38,156 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:31:38,157 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:31:38,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:38 BoogieIcfgContainer [2023-11-21 18:31:38,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:31:38,160 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:31:38,160 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:31:38,170 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:31:38,170 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:38" (1/1) ... [2023-11-21 18:31:38,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:31:38,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:38,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-21 18:31:38,262 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-21 18:31:38,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:31:38,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:38,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:31:38,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:31:38,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:31:38,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:31:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:38,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:31:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:38,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:31:38,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:39,262 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 18:31:39,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:31:39,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:39,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-21 18:31:39,515 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-21 18:31:39,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:31:39,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:39,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:31:39,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:31:39,518 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:31:39,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:31:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:40,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:31:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:40,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 127 conjunts are in the unsatisfiable core [2023-11-21 18:31:40,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:44,342 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 18:31:44,350 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:31:44,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:31:45,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:45,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2023-11-21 18:31:45,410 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2023-11-21 18:31:45,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:31:45,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:45,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:31:45,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:31:45,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:31:45,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 18:31:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:46,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:31:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:47,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 1750 conjuncts, 155 conjunts are in the unsatisfiable core [2023-11-21 18:31:47,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:50,262 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 18:31:50,273 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:31:50,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-21 18:31:55,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:55,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2023-11-21 18:31:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2023-11-21 18:31:55,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:31:55,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:55,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:31:55,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:31:55,064 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:31:55,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55fcd90-3ec9-45fa-ac14-59ea568a8481/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-21 18:31:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:56,685 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:31:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:57,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 2579 conjuncts, 237 conjunts are in the unsatisfiable core [2023-11-21 18:31:57,430 INFO L285 TraceCheckSpWp]: Computing forward predicates...