./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/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_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/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_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/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 56e32305e580f3037577c64bd7cf22d48e92622fbb42e9ac4939c1484d78341c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:25:20,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:25:20,116 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:25:20,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:25:20,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:25:20,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:25:20,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:25:20,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:25:20,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:25:20,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:25:20,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:25:20,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:25:20,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:25:20,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:25:20,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:25:20,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:25:20,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:25:20,167 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:25:20,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:25:20,168 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:25:20,170 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:25:20,171 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:25:20,171 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:25:20,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:25:20,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:25:20,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:25:20,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:25:20,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:25:20,173 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:25:20,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:25:20,173 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_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56e32305e580f3037577c64bd7cf22d48e92622fbb42e9ac4939c1484d78341c [2024-11-08 23:25:20,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:25:20,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:25:20,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:25:20,481 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:25:20,482 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:25:20,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:25:22,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:25:23,071 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:25:23,072 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c [2024-11-08 23:25:23,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/data/9f8fa604b/bdc4638e2fb24c8990049ec53490a994/FLAG39ddd3bb0 [2024-11-08 23:25:23,132 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/data/9f8fa604b/bdc4638e2fb24c8990049ec53490a994 [2024-11-08 23:25:23,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:25:23,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:25:23,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:23,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:25:23,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:25:23,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:23" (1/1) ... [2024-11-08 23:25:23,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b6b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:23, skipping insertion in model container [2024-11-08 23:25:23,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:23" (1/1) ... [2024-11-08 23:25:23,232 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:25:23,507 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_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c[1176,1189] [2024-11-08 23:25:24,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:24,029 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:25:24,039 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_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c[1176,1189] [2024-11-08 23:25:24,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:24,323 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:25:24,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:24 WrapperNode [2024-11-08 23:25:24,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:24,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:24,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:25:24,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:25:24,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:24" (1/1) ... [2024-11-08 23:25:24,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:24" (1/1) ... [2024-11-08 23:25:25,252 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5612 [2024-11-08 23:25:25,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:25,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:25:25,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:25:25,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:25:25,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:24" (1/1) ... [2024-11-08 23:25:25,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:24" (1/1) ... [2024-11-08 23:25:25,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:24" (1/1) ... [2024-11-08 23:25:25,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:24" (1/1) ... [2024-11-08 23:25:25,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:24" (1/1) ... [2024-11-08 23:25:25,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:24" (1/1) ... [2024-11-08 23:25:25,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:24" (1/1) ... [2024-11-08 23:25:25,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:24" (1/1) ... [2024-11-08 23:25:26,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:25:26,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:25:26,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:25:26,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:25:26,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:24" (1/1) ... [2024-11-08 23:25:26,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:25:26,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:25:26,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:25:26,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:25:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:25:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:25:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:25:26,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:25:26,744 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:25:26,747 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:25:34,893 INFO L? ?]: Removed 3011 outVars from TransFormulas that were not future-live. [2024-11-08 23:25:34,894 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:25:45,984 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:25:45,985 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:25:45,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:45 BoogieIcfgContainer [2024-11-08 23:25:45,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:25:45,986 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:25:45,987 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:25:45,998 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:25:45,998 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:45" (1/1) ... [2024-11-08 23:25:46,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:25:46,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:46,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:25:46,076 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:25:46,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:25:46,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:46,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:49,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:25:59,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:26:09,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:26:21,273 WARN L539 Checker$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 23:26:21,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:21,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 23:26:21,316 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 23:26:21,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:26:21,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:21,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:27:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:27:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:27:54,174 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 23:27:54,179 INFO L158 Benchmark]: Toolchain (without parser) took 151040.57ms. Allocated memory was 169.9MB in the beginning and 4.8GB in the end (delta: 4.7GB). Free memory was 134.6MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2024-11-08 23:27:54,180 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 169.9MB. Free memory was 136.7MB in the beginning and 136.7MB in the end (delta: 34.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:27:54,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1182.92ms. Allocated memory was 169.9MB in the beginning and 228.6MB in the end (delta: 58.7MB). Free memory was 134.6MB in the beginning and 169.6MB in the end (delta: -35.0MB). Peak memory consumption was 88.7MB. Max. memory is 16.1GB. [2024-11-08 23:27:54,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 931.46ms. Allocated memory was 228.6MB in the beginning and 396.4MB in the end (delta: 167.8MB). Free memory was 169.6MB in the beginning and 267.1MB in the end (delta: -97.5MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. [2024-11-08 23:27:54,184 INFO L158 Benchmark]: Boogie Preprocessor took 883.14ms. Allocated memory is still 396.4MB. Free memory was 267.1MB in the beginning and 225.2MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 23:27:54,185 INFO L158 Benchmark]: RCFGBuilder took 19843.83ms. Allocated memory was 396.4MB in the beginning and 3.2GB in the end (delta: 2.8GB). Free memory was 225.2MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 792.5MB. Max. memory is 16.1GB. [2024-11-08 23:27:54,186 INFO L158 Benchmark]: CodeCheck took 128191.76ms. Allocated memory was 3.2GB in the beginning and 4.8GB in the end (delta: 1.6GB). Free memory was 2.7GB in the beginning and 2.2GB in the end (delta: 459.4MB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2024-11-08 23:27:54,193 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 0.38ms. Allocated memory is still 169.9MB. Free memory was 136.7MB in the beginning and 136.7MB in the end (delta: 34.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1182.92ms. Allocated memory was 169.9MB in the beginning and 228.6MB in the end (delta: 58.7MB). Free memory was 134.6MB in the beginning and 169.6MB in the end (delta: -35.0MB). Peak memory consumption was 88.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 931.46ms. Allocated memory was 228.6MB in the beginning and 396.4MB in the end (delta: 167.8MB). Free memory was 169.6MB in the beginning and 267.1MB in the end (delta: -97.5MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 883.14ms. Allocated memory is still 396.4MB. Free memory was 267.1MB in the beginning and 225.2MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * RCFGBuilder took 19843.83ms. Allocated memory was 396.4MB in the beginning and 3.2GB in the end (delta: 2.8GB). Free memory was 225.2MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 792.5MB. Max. memory is 16.1GB. * CodeCheck took 128191.76ms. Allocated memory was 3.2GB in the beginning and 4.8GB in the end (delta: 1.6GB). Free memory was 2.7GB in the beginning and 2.2GB in the end (delta: 459.4MB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:27:54,412 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-08 23:27:54,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/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_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/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_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/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 56e32305e580f3037577c64bd7cf22d48e92622fbb42e9ac4939c1484d78341c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:27:56,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:27:56,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:27:57,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:27:57,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:27:57,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:27:57,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:27:57,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:27:57,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:27:57,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:27:57,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:27:57,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:27:57,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:27:57,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:27:57,038 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:27:57,039 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:27:57,039 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:27:57,039 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:27:57,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:27:57,040 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:27:57,040 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:27:57,042 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:27:57,043 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:27:57,043 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:27:57,043 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:27:57,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:27:57,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:27:57,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:27:57,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:27:57,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:27:57,045 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:27:57,045 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:27:57,045 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:27:57,046 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_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56e32305e580f3037577c64bd7cf22d48e92622fbb42e9ac4939c1484d78341c [2024-11-08 23:27:57,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:27:57,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:27:57,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:27:57,471 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:27:57,472 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:27:57,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:27:59,489 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:27:59,813 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:27:59,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c [2024-11-08 23:27:59,834 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/data/d00681895/f96741b3207c404788ccb6e1325140ad/FLAG101caaa67 [2024-11-08 23:28:00,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/data/d00681895/f96741b3207c404788ccb6e1325140ad [2024-11-08 23:28:00,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:28:00,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:28:00,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:28:00,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:28:00,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:28:00,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:28:00" (1/1) ... [2024-11-08 23:28:00,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8817362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:00, skipping insertion in model container [2024-11-08 23:28:00,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:28:00" (1/1) ... [2024-11-08 23:28:00,129 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:28:00,359 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_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c[1176,1189] [2024-11-08 23:28:00,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:28:00,783 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:28:00,807 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_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c[1176,1189] [2024-11-08 23:28:01,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:28:01,025 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:28:01,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:01 WrapperNode [2024-11-08 23:28:01,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:28:01,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:28:01,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:28:01,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:28:01,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:01" (1/1) ... [2024-11-08 23:28:01,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:01" (1/1) ... [2024-11-08 23:28:01,197 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1724 [2024-11-08 23:28:01,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:28:01,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:28:01,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:28:01,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:28:01,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:01" (1/1) ... [2024-11-08 23:28:01,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:01" (1/1) ... [2024-11-08 23:28:01,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:01" (1/1) ... [2024-11-08 23:28:01,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:01" (1/1) ... [2024-11-08 23:28:01,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:01" (1/1) ... [2024-11-08 23:28:01,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:01" (1/1) ... [2024-11-08 23:28:01,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:01" (1/1) ... [2024-11-08 23:28:01,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:01" (1/1) ... [2024-11-08 23:28:01,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:28:01,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:28:01,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:28:01,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:28:01,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:01" (1/1) ... [2024-11-08 23:28:01,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:28:01,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:28:01,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:28:01,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:28:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:28:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:28:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:28:01,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:28:01,870 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:28:01,873 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:28:07,356 INFO L? ?]: Removed 163 outVars from TransFormulas that were not future-live. [2024-11-08 23:28:07,357 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:28:07,442 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:28:07,443 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:28:07,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:28:07 BoogieIcfgContainer [2024-11-08 23:28:07,443 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:28:07,444 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:28:07,444 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:28:07,455 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:28:07,455 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:28:07" (1/1) ... [2024-11-08 23:28:07,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:28:07,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:07,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:28:07,520 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:28:07,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:28:07,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:07,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:07,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:07,526 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:07,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:28:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:08,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:08,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:28:08,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:08,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:28:08,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:28:10,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:28:10,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:10,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 23:28:10,434 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 23:28:10,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:28:10,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:10,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:10,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:10,437 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:10,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae89e796-3055-49a5-a07f-a89ccf5c7ee3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:28:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:12,450 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:13,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-08 23:28:13,033 INFO L278 TraceCheckSpWp]: Computing forward predicates...