./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm --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 21d3b5f5f45e838fe2a280802b5788520d014c57271d384acd297e13beb553d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:41:39,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:41:39,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:41:39,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:41:39,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:41:39,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:41:39,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:41:39,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:41:39,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:41:39,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:41:39,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:41:39,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:41:39,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:41:39,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:41:39,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:41:39,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:41:39,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:41:39,339 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:41:39,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:41:39,340 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:41:39,340 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:41:39,340 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:41:39,340 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:41:39,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:41:39,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:41:39,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:41:39,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:41:39,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:41:39,341 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:41:39,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:41:39,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm 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 -> 21d3b5f5f45e838fe2a280802b5788520d014c57271d384acd297e13beb553d8 [2024-11-13 20:41:39,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:41:39,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:41:39,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:41:39,806 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:41:39,807 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:41:39,810 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c Unable to find full path for "g++" [2024-11-13 20:41:42,204 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:41:42,552 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:41:42,554 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c [2024-11-13 20:41:42,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/data/71c126026/63224f5f71034756baf539219919e4f3/FLAG67049d879 [2024-11-13 20:41:42,592 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/data/71c126026/63224f5f71034756baf539219919e4f3 [2024-11-13 20:41:42,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:41:42,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:41:42,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:41:42,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:41:42,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:41:42,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:41:42" (1/1) ... [2024-11-13 20:41:42,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcb4df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:42, skipping insertion in model container [2024-11-13 20:41:42,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:41:42" (1/1) ... [2024-11-13 20:41:42,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:41:42,896 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_cd67a4d9-13db-49b0-900b-dc7754926bff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c[1254,1267] [2024-11-13 20:41:43,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:41:43,154 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:41:43,166 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_cd67a4d9-13db-49b0-900b-dc7754926bff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c[1254,1267] [2024-11-13 20:41:43,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:41:43,347 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:41:43,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:43 WrapperNode [2024-11-13 20:41:43,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:41:43,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:41:43,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:41:43,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:41:43,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:43" (1/1) ... [2024-11-13 20:41:43,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:43" (1/1) ... [2024-11-13 20:41:43,717 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1659 [2024-11-13 20:41:43,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:41:43,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:41:43,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:41:43,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:41:43,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:43" (1/1) ... [2024-11-13 20:41:43,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:43" (1/1) ... [2024-11-13 20:41:43,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:43" (1/1) ... [2024-11-13 20:41:43,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:43" (1/1) ... [2024-11-13 20:41:43,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:43" (1/1) ... [2024-11-13 20:41:43,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:43" (1/1) ... [2024-11-13 20:41:44,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:43" (1/1) ... [2024-11-13 20:41:44,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:43" (1/1) ... [2024-11-13 20:41:44,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:41:44,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:41:44,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:41:44,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:41:44,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:43" (1/1) ... [2024-11-13 20:41:44,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:41:44,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:41:44,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:41:44,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:41:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:41:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:41:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:41:44,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:41:44,658 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:41:44,665 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:41:48,267 INFO L? ?]: Removed 1042 outVars from TransFormulas that were not future-live. [2024-11-13 20:41:48,268 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:41:52,521 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:41:52,521 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:41:52,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:41:52 BoogieIcfgContainer [2024-11-13 20:41:52,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:41:52,523 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:41:52,524 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:41:52,537 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:41:52,537 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:41:52" (1/1) ... [2024-11-13 20:41:52,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:41:52,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:52,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:41:52,633 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:41:52,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:41:52,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:52,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:00,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:42:10,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:42:20,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:42:21,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:21,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 20:42:21,973 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 20:42:21,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:42:21,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:21,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:42:26,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:42:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:42:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:42:41,942 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) [2024-11-13 20:42:41,947 INFO L158 Benchmark]: Toolchain (without parser) took 59349.55ms. Allocated memory was 109.1MB in the beginning and 1.0GB in the end (delta: 922.7MB). Free memory was 83.0MB in the beginning and 394.7MB in the end (delta: -311.8MB). Peak memory consumption was 609.7MB. Max. memory is 16.1GB. [2024-11-13 20:42:41,947 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:42:41,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 749.93ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 52.8MB in the end (delta: 30.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:42:41,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 367.57ms. Allocated memory is still 109.1MB. Free memory was 52.8MB in the beginning and 50.8MB in the end (delta: 2.0MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-11-13 20:42:41,949 INFO L158 Benchmark]: Boogie Preprocessor took 392.21ms. Allocated memory is still 109.1MB. Free memory was 50.8MB in the beginning and 46.9MB in the end (delta: 3.9MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-11-13 20:42:41,949 INFO L158 Benchmark]: RCFGBuilder took 8410.48ms. Allocated memory was 109.1MB in the beginning and 293.6MB in the end (delta: 184.5MB). Free memory was 46.9MB in the beginning and 124.6MB in the end (delta: -77.7MB). Peak memory consumption was 202.0MB. Max. memory is 16.1GB. [2024-11-13 20:42:41,950 INFO L158 Benchmark]: CodeCheck took 49422.43ms. Allocated memory was 293.6MB in the beginning and 1.0GB in the end (delta: 738.2MB). Free memory was 124.6MB in the beginning and 394.7MB in the end (delta: -270.1MB). Peak memory consumption was 465.7MB. Max. memory is 16.1GB. [2024-11-13 20:42:41,954 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 0.74ms. Allocated memory is still 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 749.93ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 52.8MB in the end (delta: 30.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 367.57ms. Allocated memory is still 109.1MB. Free memory was 52.8MB in the beginning and 50.8MB in the end (delta: 2.0MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 392.21ms. Allocated memory is still 109.1MB. Free memory was 50.8MB in the beginning and 46.9MB in the end (delta: 3.9MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * RCFGBuilder took 8410.48ms. Allocated memory was 109.1MB in the beginning and 293.6MB in the end (delta: 184.5MB). Free memory was 46.9MB in the beginning and 124.6MB in the end (delta: -77.7MB). Peak memory consumption was 202.0MB. Max. memory is 16.1GB. * CodeCheck took 49422.43ms. Allocated memory was 293.6MB in the beginning and 1.0GB in the end (delta: 738.2MB). Free memory was 124.6MB in the beginning and 394.7MB in the end (delta: -270.1MB). Peak memory consumption was 465.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:42:41,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm --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 21d3b5f5f45e838fe2a280802b5788520d014c57271d384acd297e13beb553d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:42:44,542 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:42:44,663 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 20:42:44,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:42:44,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:42:44,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:42:44,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:42:44,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:42:44,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:42:44,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:42:44,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:42:44,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:42:44,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:42:44,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:42:44,695 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:42:44,695 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:42:44,695 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:42:44,695 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:42:44,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:42:44,696 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:42:44,696 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:42:44,696 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:42:44,696 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:42:44,696 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:42:44,696 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:42:44,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:42:44,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:42:44,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:42:44,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:42:44,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:42:44,697 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:42:44,697 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:42:44,697 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:42:44,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm 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 -> 21d3b5f5f45e838fe2a280802b5788520d014c57271d384acd297e13beb553d8 [2024-11-13 20:42:45,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:42:45,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:42:45,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:42:45,076 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:42:45,077 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:42:45,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c Unable to find full path for "g++" [2024-11-13 20:42:47,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:42:47,369 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:42:47,373 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c [2024-11-13 20:42:47,396 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/data/c98513ceb/1440f2557b164e4398eea2ce9867caa8/FLAG93afb363b [2024-11-13 20:42:47,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/data/c98513ceb/1440f2557b164e4398eea2ce9867caa8 [2024-11-13 20:42:47,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:42:47,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:42:47,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:42:47,440 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:42:47,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:42:47,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:42:47" (1/1) ... [2024-11-13 20:42:47,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f9a731c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:47, skipping insertion in model container [2024-11-13 20:42:47,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:42:47" (1/1) ... [2024-11-13 20:42:47,519 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:42:47,783 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_cd67a4d9-13db-49b0-900b-dc7754926bff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c[1254,1267] [2024-11-13 20:42:48,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:42:48,038 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:42:48,047 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_cd67a4d9-13db-49b0-900b-dc7754926bff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c[1254,1267] [2024-11-13 20:42:48,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:42:48,159 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:42:48,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:48 WrapperNode [2024-11-13 20:42:48,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:42:48,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:42:48,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:42:48,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:42:48,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:48" (1/1) ... [2024-11-13 20:42:48,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:48" (1/1) ... [2024-11-13 20:42:48,250 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 587 [2024-11-13 20:42:48,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:42:48,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:42:48,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:42:48,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:42:48,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:48" (1/1) ... [2024-11-13 20:42:48,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:48" (1/1) ... [2024-11-13 20:42:48,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:48" (1/1) ... [2024-11-13 20:42:48,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:48" (1/1) ... [2024-11-13 20:42:48,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:48" (1/1) ... [2024-11-13 20:42:48,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:48" (1/1) ... [2024-11-13 20:42:48,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:48" (1/1) ... [2024-11-13 20:42:48,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:48" (1/1) ... [2024-11-13 20:42:48,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:42:48,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:42:48,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:42:48,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:42:48,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:42:48" (1/1) ... [2024-11-13 20:42:48,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:42:48,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:42:48,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:42:48,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:42:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:42:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:42:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:42:48,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:42:48,627 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:42:48,629 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:42:49,900 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2024-11-13 20:42:49,900 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:42:49,960 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:42:49,961 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:42:49,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:49 BoogieIcfgContainer [2024-11-13 20:42:49,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:42:49,963 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:42:49,963 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:42:49,978 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:42:49,979 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:49" (1/1) ... [2024-11-13 20:42:49,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:42:50,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:50,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:42:50,071 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:42:50,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:42:50,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:50,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:42:50,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:42:50,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:42:50,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:42:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:50,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:42:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:50,789 WARN L253 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-13 20:42:50,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:42:51,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:42:51,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:42:52,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:52,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 20:42:52,151 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 20:42:52,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:42:52,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:52,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:42:52,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:42:52,155 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:42:52,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:42:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:52,877 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:42:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:53,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-11-13 20:42:53,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:42:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:42:54,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:42:55,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:55,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2024-11-13 20:42:55,638 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2024-11-13 20:42:55,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:42:55,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:55,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:42:55,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:42:55,643 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:42:55,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:42:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:56,465 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:42:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:56,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-11-13 20:42:56,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:36,066 WARN L286 SmtUtils]: Spent 45.62s on a formula simplification that was a NOOP. DAG size: 585 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:51:36,344 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:51:36,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd67a4d9-13db-49b0-900b-dc7754926bff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0