./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d16_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk --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 ac363d7e090ca55a75a0285e2258678dcb16cc73e221709825b3dff0c610d839 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:53:35,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:53:36,002 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 22:53:36,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:53:36,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:53:36,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:53:36,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:53:36,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:53:36,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:53:36,064 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:53:36,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:53:36,065 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:53:36,066 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:53:36,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:53:36,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:53:36,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:53:36,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:53:36,068 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:53:36,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:53:36,069 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:53:36,070 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:53:36,074 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:53:36,074 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:53:36,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:53:36,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:53:36,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:53:36,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:53:36,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:53:36,076 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:53:36,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:53:36,077 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_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac363d7e090ca55a75a0285e2258678dcb16cc73e221709825b3dff0c610d839 [2024-11-08 22:53:36,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:53:36,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:53:36,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:53:36,378 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:53:36,379 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:53:36,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d16_e0.c Unable to find full path for "g++" [2024-11-08 22:53:38,544 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:53:38,935 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:53:38,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d16_e0.c [2024-11-08 22:53:38,961 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/data/5c10fa99d/e8f69ed607f84fb18c4c8d6c4da9939a/FLAGf7a8898ec [2024-11-08 22:53:39,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/data/5c10fa99d/e8f69ed607f84fb18c4c8d6c4da9939a [2024-11-08 22:53:39,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:53:39,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:53:39,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:53:39,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:53:39,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:53:39,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:53:39" (1/1) ... [2024-11-08 22:53:39,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5b458f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:39, skipping insertion in model container [2024-11-08 22:53:39,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:53:39" (1/1) ... [2024-11-08 22:53:39,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:53:39,515 WARN L250 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_b55c737a-e056-4dd8-9301-15c53b93b415/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d16_e0.c[1270,1283] [2024-11-08 22:53:40,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:53:40,064 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:53:40,078 WARN L250 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_b55c737a-e056-4dd8-9301-15c53b93b415/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d16_e0.c[1270,1283] [2024-11-08 22:53:40,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:53:40,429 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:53:40,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:40 WrapperNode [2024-11-08 22:53:40,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:53:40,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:53:40,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:53:40,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:53:40,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:40" (1/1) ... [2024-11-08 22:53:40,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:40" (1/1) ... [2024-11-08 22:53:41,171 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5203 [2024-11-08 22:53:41,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:53:41,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:53:41,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:53:41,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:53:41,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:40" (1/1) ... [2024-11-08 22:53:41,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:40" (1/1) ... [2024-11-08 22:53:41,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:40" (1/1) ... [2024-11-08 22:53:41,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:40" (1/1) ... [2024-11-08 22:53:41,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:40" (1/1) ... [2024-11-08 22:53:41,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:40" (1/1) ... [2024-11-08 22:53:41,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:40" (1/1) ... [2024-11-08 22:53:41,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:40" (1/1) ... [2024-11-08 22:53:41,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:53:41,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:53:41,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:53:41,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:53:41,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:40" (1/1) ... [2024-11-08 22:53:41,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:53:41,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:53:41,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:53:41,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:53:41,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:53:41,999 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:53:41,999 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:53:41,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:53:41,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:53:42,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:53:42,620 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:53:42,623 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:53:49,685 INFO L? ?]: Removed 2958 outVars from TransFormulas that were not future-live. [2024-11-08 22:53:49,685 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:53:57,419 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:53:57,420 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:53:57,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:53:57 BoogieIcfgContainer [2024-11-08 22:53:57,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:53:57,422 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:53:57,422 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:53:57,435 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:53:57,436 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:53:57" (1/1) ... [2024-11-08 22:53:57,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:53:57,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:57,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2024-11-08 22:53:57,521 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-11-08 22:53:57,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-08 22:53:57,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:57,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:54:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-08 22:54:20,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:54:30,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:54:40,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:54:47,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.91s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:54:58,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:55:08,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:55:08,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:08,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 50 states and 69 transitions. [2024-11-08 22:55:08,402 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 69 transitions. [2024-11-08 22:55:08,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 22:55:08,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:08,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:57:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:57:24,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:00:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:00:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:00:55,764 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:00:55,769 INFO L158 Benchmark]: Toolchain (without parser) took 436633.33ms. Allocated memory was 182.5MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 136.9MB in the beginning and 2.3GB in the end (delta: -2.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-08 23:00:55,770 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 132.1MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:00:55,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1293.35ms. Allocated memory is still 182.5MB. Free memory was 136.9MB in the beginning and 107.5MB in the end (delta: 29.4MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2024-11-08 23:00:55,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 740.79ms. Allocated memory was 182.5MB in the beginning and 299.9MB in the end (delta: 117.4MB). Free memory was 106.7MB in the beginning and 158.6MB in the end (delta: -51.9MB). Peak memory consumption was 99.8MB. Max. memory is 16.1GB. [2024-11-08 23:00:55,773 INFO L158 Benchmark]: Boogie Preprocessor took 745.77ms. Allocated memory is still 299.9MB. Free memory was 158.6MB in the beginning and 138.8MB in the end (delta: 19.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-11-08 23:00:55,774 INFO L158 Benchmark]: RCFGBuilder took 15501.72ms. Allocated memory was 299.9MB in the beginning and 1.1GB in the end (delta: 845.2MB). Free memory was 138.8MB in the beginning and 820.3MB in the end (delta: -681.5MB). Peak memory consumption was 656.4MB. Max. memory is 16.1GB. [2024-11-08 23:00:55,775 INFO L158 Benchmark]: CodeCheck took 418345.85ms. Allocated memory was 1.1GB in the beginning and 3.4GB in the end (delta: 2.3GB). Free memory was 820.3MB in the beginning and 2.3GB in the end (delta: -1.4GB). Peak memory consumption was 845.4MB. Max. memory is 16.1GB. [2024-11-08 23:00:55,779 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 132.1MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1293.35ms. Allocated memory is still 182.5MB. Free memory was 136.9MB in the beginning and 107.5MB in the end (delta: 29.4MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 740.79ms. Allocated memory was 182.5MB in the beginning and 299.9MB in the end (delta: 117.4MB). Free memory was 106.7MB in the beginning and 158.6MB in the end (delta: -51.9MB). Peak memory consumption was 99.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 745.77ms. Allocated memory is still 299.9MB. Free memory was 158.6MB in the beginning and 138.8MB in the end (delta: 19.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * RCFGBuilder took 15501.72ms. Allocated memory was 299.9MB in the beginning and 1.1GB in the end (delta: 845.2MB). Free memory was 138.8MB in the beginning and 820.3MB in the end (delta: -681.5MB). Peak memory consumption was 656.4MB. Max. memory is 16.1GB. * CodeCheck took 418345.85ms. Allocated memory was 1.1GB in the beginning and 3.4GB in the end (delta: 2.3GB). Free memory was 820.3MB in the beginning and 2.3GB in the end (delta: -1.4GB). Peak memory consumption was 845.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:00:55,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/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_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk --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 ac363d7e090ca55a75a0285e2258678dcb16cc73e221709825b3dff0c610d839 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:00:58,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:00:58,768 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:00:58,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:00:58,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:00:58,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:00:58,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:00:58,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:00:58,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:00:58,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:00:58,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:00:58,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:00:58,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:00:58,834 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:00:58,834 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:00:58,835 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:00:58,835 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:00:58,836 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:00:58,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:00:58,837 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:00:58,839 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:00:58,839 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:00:58,840 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:00:58,840 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:58,841 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:00:58,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:00:58,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:58,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:00:58,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:00:58,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:00:58,843 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:00:58,844 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:58,844 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:00:58,845 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_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac363d7e090ca55a75a0285e2258678dcb16cc73e221709825b3dff0c610d839 [2024-11-08 23:00:59,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:00:59,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:00:59,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:00:59,318 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:00:59,318 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:00:59,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d16_e0.c Unable to find full path for "g++" [2024-11-08 23:01:01,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:01:02,114 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:01:02,115 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d16_e0.c [2024-11-08 23:01:02,141 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/data/f6ac7b4ee/efc0695dd10c4cf1ac2ade84195cbb0f/FLAG4aa94686c [2024-11-08 23:01:02,172 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/data/f6ac7b4ee/efc0695dd10c4cf1ac2ade84195cbb0f [2024-11-08 23:01:02,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:01:02,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:01:02,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:01:02,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:01:02,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:01:02,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:01:02" (1/1) ... [2024-11-08 23:01:02,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3772e791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:02, skipping insertion in model container [2024-11-08 23:01:02,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:01:02" (1/1) ... [2024-11-08 23:01:02,314 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:01:02,654 WARN L250 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_b55c737a-e056-4dd8-9301-15c53b93b415/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d16_e0.c[1270,1283] [2024-11-08 23:01:03,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:01:03,287 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:01:03,304 WARN L250 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_b55c737a-e056-4dd8-9301-15c53b93b415/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d16_e0.c[1270,1283] [2024-11-08 23:01:03,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:01:03,686 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:01:03,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:03 WrapperNode [2024-11-08 23:01:03,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:01:03,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:01:03,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:01:03,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:01:03,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:03" (1/1) ... [2024-11-08 23:01:03,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:03" (1/1) ... [2024-11-08 23:01:03,978 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2307 [2024-11-08 23:01:03,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:01:03,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:01:03,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:01:03,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:01:03,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:03" (1/1) ... [2024-11-08 23:01:03,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:03" (1/1) ... [2024-11-08 23:01:04,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:03" (1/1) ... [2024-11-08 23:01:04,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:03" (1/1) ... [2024-11-08 23:01:04,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:03" (1/1) ... [2024-11-08 23:01:04,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:03" (1/1) ... [2024-11-08 23:01:04,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:03" (1/1) ... [2024-11-08 23:01:04,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:03" (1/1) ... [2024-11-08 23:01:04,227 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:01:04,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:01:04,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:01:04,229 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:01:04,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:01:03" (1/1) ... [2024-11-08 23:01:04,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:01:04,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:01:04,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:01:04,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:01:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:01:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:01:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:01:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:01:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:01:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:01:04,977 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:01:04,981 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:01:07,715 INFO L? ?]: Removed 713 outVars from TransFormulas that were not future-live. [2024-11-08 23:01:07,716 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:01:07,930 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:01:07,931 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:01:07,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:01:07 BoogieIcfgContainer [2024-11-08 23:01:07,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:01:07,933 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:01:07,933 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:01:07,948 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:01:07,949 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:01:07" (1/1) ... [2024-11-08 23:01:07,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:01:08,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:08,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2024-11-08 23:01:08,058 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-11-08 23:01:08,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-08 23:01:08,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:08,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:08,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:08,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:08,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:01:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:10,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:10,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 23:01:10,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:11,441 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-08 23:01:11,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:12,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:12,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 50 states and 71 transitions. [2024-11-08 23:01:12,685 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2024-11-08 23:01:12,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 23:01:12,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:12,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:12,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:12,696 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:12,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:01:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:15,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:16,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 23:01:17,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 6 proven. 35 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-11-08 23:01:18,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:01:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:22,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 92 states and 139 transitions. [2024-11-08 23:01:22,890 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 139 transitions. [2024-11-08 23:01:22,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 23:01:22,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:22,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:22,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:22,909 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:22,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:01:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:26,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:28,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 2502 conjuncts, 137 conjuncts are in the unsatisfiable core [2024-11-08 23:01:28,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:10,080 WARN L286 SmtUtils]: Spent 1.57m on a formula simplification. DAG size of input: 125 DAG size of output: 121 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:04:12,789 WARN L286 SmtUtils]: Spent 48.49s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:04:51,798 WARN L286 SmtUtils]: Spent 35.74s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:05:10,491 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 66 proven. 105 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2024-11-08 23:05:10,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b55c737a-e056-4dd8-9301-15c53b93b415/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0