./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b --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 2e4ac21b8a005dfb332b79c7a527805fd9487d54188fb330cb5764e6911959cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:12:39,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:12:39,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 04:12:39,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:12:39,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:12:39,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:12:39,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:12:39,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:12:39,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:12:39,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:12:39,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:12:39,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:12:39,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:12:39,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:12:39,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:12:39,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:12:39,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:12:39,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:12:39,829 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:12:39,829 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:12:39,829 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:12:39,829 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:12:39,829 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:12:39,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:12:39,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:12:39,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:12:39,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:12:39,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:12:39,830 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:12:39,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:12:39,830 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_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b 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 -> 2e4ac21b8a005dfb332b79c7a527805fd9487d54188fb330cb5764e6911959cc [2024-12-06 04:12:40,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:12:40,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:12:40,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:12:40,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:12:40,066 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:12:40,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-func-interl.c [2024-12-06 04:12:42,720 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/data/f58b86654/eb9d9222e8894a41b02a067a9bad53e9/FLAGbd368594b [2024-12-06 04:12:43,013 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:12:43,013 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-func-interl.c [2024-12-06 04:12:43,030 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/data/f58b86654/eb9d9222e8894a41b02a067a9bad53e9/FLAGbd368594b [2024-12-06 04:12:43,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/data/f58b86654/eb9d9222e8894a41b02a067a9bad53e9 [2024-12-06 04:12:43,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:12:43,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:12:43,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:12:43,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:12:43,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:12:43,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:12:43" (1/1) ... [2024-12-06 04:12:43,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92957c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:43, skipping insertion in model container [2024-12-06 04:12:43,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:12:43" (1/1) ... [2024-12-06 04:12:43,111 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:12:43,292 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_28d102c9-48b4-46a0-883b-a81898345f35/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-func-interl.c[1175,1188] [2024-12-06 04:12:43,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:12:43,663 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:12:43,670 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_28d102c9-48b4-46a0-883b-a81898345f35/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-func-interl.c[1175,1188] [2024-12-06 04:12:43,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:12:43,851 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:12:43,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:43 WrapperNode [2024-12-06 04:12:43,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:12:43,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:12:43,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:12:43,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:12:43,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:43" (1/1) ... [2024-12-06 04:12:43,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:43" (1/1) ... [2024-12-06 04:12:44,766 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11013 [2024-12-06 04:12:44,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:12:44,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:12:44,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:12:44,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:12:44,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:43" (1/1) ... [2024-12-06 04:12:44,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:43" (1/1) ... [2024-12-06 04:12:45,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:43" (1/1) ... [2024-12-06 04:12:45,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:43" (1/1) ... [2024-12-06 04:12:45,280 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:43" (1/1) ... [2024-12-06 04:12:45,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:43" (1/1) ... [2024-12-06 04:12:45,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:43" (1/1) ... [2024-12-06 04:12:45,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:43" (1/1) ... [2024-12-06 04:12:45,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:43" (1/1) ... [2024-12-06 04:12:45,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:12:45,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:12:45,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:12:45,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:12:45,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:43" (1/1) ... [2024-12-06 04:12:45,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:12:45,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:12:45,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:12:45,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:12:45,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:12:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:12:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:12:45,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:12:46,219 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:12:46,220 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:12:57,633 INFO L? ?]: Removed 6189 outVars from TransFormulas that were not future-live. [2024-12-06 04:12:57,633 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:13:12,918 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:13:12,918 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:13:12,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:13:12 BoogieIcfgContainer [2024-12-06 04:13:12,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:13:12,919 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:13:12,919 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:13:12,925 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:13:12,926 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:13:12" (1/1) ... [2024-12-06 04:13:12,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:13:12,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:12,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:13:12,973 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:13:12,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:13:12,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:12,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:13:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:13:15,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:13:25,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:13:35,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:13:35,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:13:35,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 04:13:35,907 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 04:13:35,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:13:35,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:13:35,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:16:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:17:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:17:04,207 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) [2024-12-06 04:17:04,214 INFO L158 Benchmark]: Toolchain (without parser) took 261165.13ms. Allocated memory was 117.4MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 87.9MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 828.3MB. Max. memory is 16.1GB. [2024-12-06 04:17:04,214 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:17:04,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 802.48ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 87.6MB in the beginning and 186.7MB in the end (delta: -99.1MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. [2024-12-06 04:17:04,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 915.04ms. Allocated memory was 276.8MB in the beginning and 704.6MB in the end (delta: 427.8MB). Free memory was 186.7MB in the beginning and 449.6MB in the end (delta: -262.8MB). Peak memory consumption was 287.0MB. Max. memory is 16.1GB. [2024-12-06 04:17:04,216 INFO L158 Benchmark]: Boogie Preprocessor took 842.10ms. Allocated memory is still 704.6MB. Free memory was 449.6MB in the beginning and 374.7MB in the end (delta: 74.9MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-12-06 04:17:04,217 INFO L158 Benchmark]: RCFGBuilder took 27308.32ms. Allocated memory was 704.6MB in the beginning and 1.7GB in the end (delta: 1.0GB). Free memory was 374.7MB in the beginning and 853.6MB in the end (delta: -478.9MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-12-06 04:17:04,218 INFO L158 Benchmark]: CodeCheck took 231293.03ms. Allocated memory was 1.7GB in the beginning and 2.1GB in the end (delta: 394.3MB). Free memory was 853.6MB in the beginning and 1.3GB in the end (delta: -419.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:17:04,221 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 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 802.48ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 87.6MB in the beginning and 186.7MB in the end (delta: -99.1MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 915.04ms. Allocated memory was 276.8MB in the beginning and 704.6MB in the end (delta: 427.8MB). Free memory was 186.7MB in the beginning and 449.6MB in the end (delta: -262.8MB). Peak memory consumption was 287.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 842.10ms. Allocated memory is still 704.6MB. Free memory was 449.6MB in the beginning and 374.7MB in the end (delta: 74.9MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * RCFGBuilder took 27308.32ms. Allocated memory was 704.6MB in the beginning and 1.7GB in the end (delta: 1.0GB). Free memory was 374.7MB in the beginning and 853.6MB in the end (delta: -478.9MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * CodeCheck took 231293.03ms. Allocated memory was 1.7GB in the beginning and 2.1GB in the end (delta: 394.3MB). Free memory was 853.6MB in the beginning and 1.3GB in the end (delta: -419.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:17:04,435 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 04:17:04,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b --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 2e4ac21b8a005dfb332b79c7a527805fd9487d54188fb330cb5764e6911959cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:17:06,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:17:06,359 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 04:17:06,383 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:17:06,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:17:06,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:17:06,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:17:06,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:17:06,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:17:06,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:17:06,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:17:06,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:17:06,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:17:06,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:17:06,385 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:17:06,385 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:17:06,385 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:17:06,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:17:06,385 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:17:06,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:17:06,385 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:17:06,385 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:17:06,385 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:17:06,386 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:17:06,386 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:17:06,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:17:06,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:17:06,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:17:06,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:17:06,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:17:06,386 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:17:06,386 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:17:06,386 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:17:06,386 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_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b 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 -> 2e4ac21b8a005dfb332b79c7a527805fd9487d54188fb330cb5764e6911959cc [2024-12-06 04:17:06,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:17:06,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:17:06,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:17:06,622 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:17:06,623 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:17:06,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-func-interl.c [2024-12-06 04:17:09,295 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/data/f5a0f04d1/67ede0503e784154831ff57c13edc00b/FLAG930a3aa33 [2024-12-06 04:17:09,624 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:17:09,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-func-interl.c [2024-12-06 04:17:09,642 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/data/f5a0f04d1/67ede0503e784154831ff57c13edc00b/FLAG930a3aa33 [2024-12-06 04:17:09,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/data/f5a0f04d1/67ede0503e784154831ff57c13edc00b [2024-12-06 04:17:09,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:17:09,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:17:09,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:17:09,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:17:09,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:17:09,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:17:09" (1/1) ... [2024-12-06 04:17:09,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b537953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:09, skipping insertion in model container [2024-12-06 04:17:09,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:17:09" (1/1) ... [2024-12-06 04:17:09,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:17:09,901 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_28d102c9-48b4-46a0-883b-a81898345f35/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-func-interl.c[1175,1188] [2024-12-06 04:17:10,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:17:10,231 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:17:10,241 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_28d102c9-48b4-46a0-883b-a81898345f35/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.3.prop1-func-interl.c[1175,1188] [2024-12-06 04:17:10,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:17:10,447 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:17:10,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:10 WrapperNode [2024-12-06 04:17:10,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:17:10,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:17:10,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:17:10,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:17:10,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:10" (1/1) ... [2024-12-06 04:17:10,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:10" (1/1) ... [2024-12-06 04:17:10,613 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3381 [2024-12-06 04:17:10,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:17:10,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:17:10,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:17:10,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:17:10,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:10" (1/1) ... [2024-12-06 04:17:10,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:10" (1/1) ... [2024-12-06 04:17:10,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:10" (1/1) ... [2024-12-06 04:17:10,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:10" (1/1) ... [2024-12-06 04:17:10,697 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:10" (1/1) ... [2024-12-06 04:17:10,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:10" (1/1) ... [2024-12-06 04:17:10,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:10" (1/1) ... [2024-12-06 04:17:10,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:10" (1/1) ... [2024-12-06 04:17:10,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:10" (1/1) ... [2024-12-06 04:17:10,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:17:10,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:17:10,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:17:10,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:17:10,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:17:10" (1/1) ... [2024-12-06 04:17:10,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:17:10,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:17:10,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:17:10,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:17:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:17:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:17:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:17:10,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:17:11,320 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:17:11,321 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:17:14,526 INFO L? ?]: Removed 119 outVars from TransFormulas that were not future-live. [2024-12-06 04:17:14,526 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:17:14,644 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:17:14,644 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:17:14,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:17:14 BoogieIcfgContainer [2024-12-06 04:17:14,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:17:14,645 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:17:14,645 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:17:14,655 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:17:14,655 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:17:14" (1/1) ... [2024-12-06 04:17:14,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:17:14,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:14,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:17:14,705 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:17:14,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:17:14,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:14,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:17:14,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:17:14,710 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:17:14,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:17:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:15,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:17:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:15,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:17:15,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:17:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:17:15,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:17:16,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:17:16,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 04:17:16,163 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 04:17:16,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:17:16,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:17:16,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:17:16,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:17:16,166 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:17:16,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d102c9-48b4-46a0-883b-a81898345f35/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:17:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:17,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:17:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:17:17,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 04:17:17,953 INFO L279 TraceCheckSpWp]: Computing forward predicates...