./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.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_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/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_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/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_e00d841f-f2bd-4983-b7a8-07ba3842b969/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 61ff0c478cd6e8d41d810ae4d1198eff2eb63a9a5783db9909f1ae30395ad01a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:11:47,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:11:47,687 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 23:11:47,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:11:47,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:11:47,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:11:47,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:11:47,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:11:47,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:11:47,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:11:47,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:11:47,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:11:47,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:11:47,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:11:47,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:11:47,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:11:47,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:11:47,733 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:11:47,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:11:47,733 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:11:47,733 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:11:47,733 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:11:47,733 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:11:47,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:11:47,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:11:47,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:11:47,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:11:47,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:11:47,736 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:11:47,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:11:47,736 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_e00d841f-f2bd-4983-b7a8-07ba3842b969/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 -> 61ff0c478cd6e8d41d810ae4d1198eff2eb63a9a5783db9909f1ae30395ad01a [2024-11-13 23:11:48,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:11:48,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:11:48,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:11:48,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:11:48,111 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:11:48,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 23:11:50,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:11:50,542 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:11:50,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c [2024-11-13 23:11:50,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/data/2c56a9ffa/5b845da112524996aae8b76626b965dc/FLAG9a72603e4 [2024-11-13 23:11:50,572 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/data/2c56a9ffa/5b845da112524996aae8b76626b965dc [2024-11-13 23:11:50,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:11:50,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:11:50,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:11:50,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:11:50,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:11:50,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:11:50" (1/1) ... [2024-11-13 23:11:50,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eeec401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:50, skipping insertion in model container [2024-11-13 23:11:50,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:11:50" (1/1) ... [2024-11-13 23:11:50,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:11:50,817 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_e00d841f-f2bd-4983-b7a8-07ba3842b969/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c[1174,1187] [2024-11-13 23:11:51,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:11:51,055 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:11:51,068 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_e00d841f-f2bd-4983-b7a8-07ba3842b969/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c[1174,1187] [2024-11-13 23:11:51,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:11:51,223 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:11:51,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:51 WrapperNode [2024-11-13 23:11:51,223 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:11:51,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:11:51,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:11:51,225 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:11:51,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:51" (1/1) ... [2024-11-13 23:11:51,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:51" (1/1) ... [2024-11-13 23:11:51,552 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1948 [2024-11-13 23:11:51,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:11:51,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:11:51,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:11:51,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:11:51,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:51" (1/1) ... [2024-11-13 23:11:51,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:51" (1/1) ... [2024-11-13 23:11:51,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:51" (1/1) ... [2024-11-13 23:11:51,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:51" (1/1) ... [2024-11-13 23:11:51,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:51" (1/1) ... [2024-11-13 23:11:51,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:51" (1/1) ... [2024-11-13 23:11:51,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:51" (1/1) ... [2024-11-13 23:11:51,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:51" (1/1) ... [2024-11-13 23:11:51,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:11:51,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:11:51,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:11:51,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:11:51,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:51" (1/1) ... [2024-11-13 23:11:51,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:11:51,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:11:51,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:11:51,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:11:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:11:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:11:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:11:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:11:52,207 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:11:52,210 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:11:55,449 INFO L? ?]: Removed 993 outVars from TransFormulas that were not future-live. [2024-11-13 23:11:55,449 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:11:59,297 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:11:59,298 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:11:59,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:11:59 BoogieIcfgContainer [2024-11-13 23:11:59,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:11:59,299 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:11:59,299 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:11:59,309 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:11:59,310 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:11:59" (1/1) ... [2024-11-13 23:11:59,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:11:59,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:59,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:11:59,381 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:11:59,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:11:59,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:59,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:12:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:03,139 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 23:12:13,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:12:23,266 WARN L539 Checker$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 23:12:24,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:24,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 23:12:24,256 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 23:12:24,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:12:24,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:24,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:12:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:12:34,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:12:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:12:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:12:52,697 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 23:12:52,705 INFO L158 Benchmark]: Toolchain (without parser) took 62126.09ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 118.1MB in the beginning and 525.5MB in the end (delta: -407.4MB). Peak memory consumption was 651.7MB. Max. memory is 16.1GB. [2024-11-13 23:12:52,706 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:12:52,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.32ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 88.2MB in the end (delta: 29.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:12:52,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 328.27ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 88.2MB in the beginning and 101.6MB in the end (delta: -13.4MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2024-11-13 23:12:52,707 INFO L158 Benchmark]: Boogie Preprocessor took 310.25ms. Allocated memory is still 151.0MB. Free memory was 101.6MB in the beginning and 88.4MB in the end (delta: 13.2MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-11-13 23:12:52,711 INFO L158 Benchmark]: RCFGBuilder took 7434.13ms. Allocated memory was 151.0MB in the beginning and 427.8MB in the end (delta: 276.8MB). Free memory was 88.4MB in the beginning and 234.1MB in the end (delta: -145.7MB). Peak memory consumption was 258.1MB. Max. memory is 16.1GB. [2024-11-13 23:12:52,712 INFO L158 Benchmark]: CodeCheck took 53402.08ms. Allocated memory was 427.8MB in the beginning and 1.2GB in the end (delta: 771.8MB). Free memory was 234.1MB in the beginning and 525.5MB in the end (delta: -291.4MB). Peak memory consumption was 487.3MB. Max. memory is 16.1GB. [2024-11-13 23:12:52,715 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 0.44ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.32ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 88.2MB in the end (delta: 29.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 328.27ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 88.2MB in the beginning and 101.6MB in the end (delta: -13.4MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 310.25ms. Allocated memory is still 151.0MB. Free memory was 101.6MB in the beginning and 88.4MB in the end (delta: 13.2MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * RCFGBuilder took 7434.13ms. Allocated memory was 151.0MB in the beginning and 427.8MB in the end (delta: 276.8MB). Free memory was 88.4MB in the beginning and 234.1MB in the end (delta: -145.7MB). Peak memory consumption was 258.1MB. Max. memory is 16.1GB. * CodeCheck took 53402.08ms. Allocated memory was 427.8MB in the beginning and 1.2GB in the end (delta: 771.8MB). Free memory was 234.1MB in the beginning and 525.5MB in the end (delta: -291.4MB). Peak memory consumption was 487.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:12:52,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/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_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/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_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/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_e00d841f-f2bd-4983-b7a8-07ba3842b969/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 61ff0c478cd6e8d41d810ae4d1198eff2eb63a9a5783db9909f1ae30395ad01a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:12:55,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:12:55,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 23:12:55,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:12:55,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:12:55,617 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:12:55,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:12:55,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:12:55,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:12:55,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:12:55,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:12:55,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:12:55,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:12:55,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:12:55,621 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:12:55,621 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:12:55,621 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:12:55,621 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:12:55,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:12:55,621 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:12:55,622 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:12:55,622 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:12:55,622 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:12:55,622 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:55,622 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:12:55,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:12:55,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:12:55,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:12:55,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:12:55,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:12:55,623 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:12:55,623 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:55,623 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:12:55,623 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_e00d841f-f2bd-4983-b7a8-07ba3842b969/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 -> 61ff0c478cd6e8d41d810ae4d1198eff2eb63a9a5783db9909f1ae30395ad01a [2024-11-13 23:12:55,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:12:56,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:12:56,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:12:56,011 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:12:56,011 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:12:56,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 23:12:58,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:12:58,480 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:12:58,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c [2024-11-13 23:12:58,498 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/data/8549129b2/f531aeffdb544518865f4cd382221af7/FLAG0a94c0376 [2024-11-13 23:12:58,525 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/data/8549129b2/f531aeffdb544518865f4cd382221af7 [2024-11-13 23:12:58,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:12:58,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:12:58,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:12:58,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:12:58,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:12:58,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:12:58" (1/1) ... [2024-11-13 23:12:58,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72a190fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:58, skipping insertion in model container [2024-11-13 23:12:58,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:12:58" (1/1) ... [2024-11-13 23:12:58,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:12:58,792 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_e00d841f-f2bd-4983-b7a8-07ba3842b969/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c[1174,1187] [2024-11-13 23:12:58,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:12:58,969 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:12:58,978 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_e00d841f-f2bd-4983-b7a8-07ba3842b969/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c[1174,1187] [2024-11-13 23:12:59,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:12:59,126 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:12:59,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:59 WrapperNode [2024-11-13 23:12:59,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:12:59,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:12:59,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:12:59,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:12:59,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:59" (1/1) ... [2024-11-13 23:12:59,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:59" (1/1) ... [2024-11-13 23:12:59,213 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 572 [2024-11-13 23:12:59,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:12:59,214 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:12:59,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:12:59,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:12:59,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:59" (1/1) ... [2024-11-13 23:12:59,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:59" (1/1) ... [2024-11-13 23:12:59,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:59" (1/1) ... [2024-11-13 23:12:59,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:59" (1/1) ... [2024-11-13 23:12:59,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:59" (1/1) ... [2024-11-13 23:12:59,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:59" (1/1) ... [2024-11-13 23:12:59,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:59" (1/1) ... [2024-11-13 23:12:59,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:59" (1/1) ... [2024-11-13 23:12:59,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:12:59,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:12:59,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:12:59,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:12:59,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:59" (1/1) ... [2024-11-13 23:12:59,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:12:59,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:12:59,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:12:59,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:12:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:12:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:12:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:12:59,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:12:59,642 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:12:59,645 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:13:00,611 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-13 23:13:00,614 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:13:00,669 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:13:00,669 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:13:00,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:13:00 BoogieIcfgContainer [2024-11-13 23:13:00,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:13:00,671 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:13:00,671 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:13:00,681 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:13:00,682 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:13:00" (1/1) ... [2024-11-13 23:13:00,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:13:00,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:00,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:13:00,754 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:13:00,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:13:00,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:00,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:00,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:00,758 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:00,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:13:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:01,086 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:01,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:13:01,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:01,323 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 23:13:01,326 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 23:13:01,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:13:01,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:01,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 23:13:01,554 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 23:13:01,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:13:01,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:01,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:01,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:01,557 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:01,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e00d841f-f2bd-4983-b7a8-07ba3842b969/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:13:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:02,030 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:02,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 23:13:02,245 INFO L278 TraceCheckSpWp]: Computing forward predicates...