./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/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_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/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_bd8db396-8327-49b1-831c-30b6786f17d2/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 56e32305e580f3037577c64bd7cf22d48e92622fbb42e9ac4939c1484d78341c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:11:03,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:11:03,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 22:11:03,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:11:03,730 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:11:03,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:11:03,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:11:03,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:11:03,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:11:03,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:11:03,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:11:03,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:11:03,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:11:03,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:11:03,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:11:03,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:11:03,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:11:03,753 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:11:03,753 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:11:03,753 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:11:03,754 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:11:03,754 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:11:03,754 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:11:03,754 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:11:03,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:11:03,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:11:03,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:11:03,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:11:03,754 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:11:03,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:11:03,754 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_bd8db396-8327-49b1-831c-30b6786f17d2/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 -> 56e32305e580f3037577c64bd7cf22d48e92622fbb42e9ac4939c1484d78341c [2024-12-05 22:11:03,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:11:04,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:11:04,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:11:04,005 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:11:04,005 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:11:04,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c [2024-12-05 22:11:06,686 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/data/695ef0555/de9c7f3865c4492ab236d3aacf9c200b/FLAGb508413f4 [2024-12-05 22:11:06,987 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:11:06,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c [2024-12-05 22:11:07,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/data/695ef0555/de9c7f3865c4492ab236d3aacf9c200b/FLAGb508413f4 [2024-12-05 22:11:07,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/data/695ef0555/de9c7f3865c4492ab236d3aacf9c200b [2024-12-05 22:11:07,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:11:07,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:11:07,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:11:07,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:11:07,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:11:07,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:11:07" (1/1) ... [2024-12-05 22:11:07,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3243fc44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:07, skipping insertion in model container [2024-12-05 22:11:07,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:11:07" (1/1) ... [2024-12-05 22:11:07,062 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:11:07,210 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_bd8db396-8327-49b1-831c-30b6786f17d2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c[1176,1189] [2024-12-05 22:11:07,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:11:07,464 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:11:07,474 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_bd8db396-8327-49b1-831c-30b6786f17d2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c[1176,1189] [2024-12-05 22:11:07,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:11:07,645 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:11:07,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:07 WrapperNode [2024-12-05 22:11:07,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:11:07,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:11:07,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:11:07,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:11:07,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:07" (1/1) ... [2024-12-05 22:11:07,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:07" (1/1) ... [2024-12-05 22:11:08,137 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5610 [2024-12-05 22:11:08,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:11:08,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:11:08,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:11:08,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:11:08,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:07" (1/1) ... [2024-12-05 22:11:08,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:07" (1/1) ... [2024-12-05 22:11:08,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:07" (1/1) ... [2024-12-05 22:11:08,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:07" (1/1) ... [2024-12-05 22:11:08,340 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:07" (1/1) ... [2024-12-05 22:11:08,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:07" (1/1) ... [2024-12-05 22:11:08,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:07" (1/1) ... [2024-12-05 22:11:08,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:07" (1/1) ... [2024-12-05 22:11:08,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:07" (1/1) ... [2024-12-05 22:11:08,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:11:08,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:11:08,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:11:08,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:11:08,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:07" (1/1) ... [2024-12-05 22:11:08,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:11:08,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:11:08,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:11:08,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:11:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:11:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:11:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:11:08,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:11:08,840 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:11:08,842 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:11:15,310 INFO L? ?]: Removed 3011 outVars from TransFormulas that were not future-live. [2024-12-05 22:11:15,311 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:11:22,086 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:11:22,086 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:11:22,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:11:22 BoogieIcfgContainer [2024-12-05 22:11:22,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:11:22,087 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:11:22,087 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:11:22,094 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:11:22,094 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:11:22" (1/1) ... [2024-12-05 22:11:22,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:11:22,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:11:22,134 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:11:22,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:11:22,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:22,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:11:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:24,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:11:34,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:11:44,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:11:52,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:11:52,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:52,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 22:11:52,724 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 22:11:52,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:11:52,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:52,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:12:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:12:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:12:46,640 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) [2024-12-05 22:12:46,644 INFO L158 Benchmark]: Toolchain (without parser) took 99624.87ms. Allocated memory was 142.6MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 114.6MB in the beginning and 907.4MB in the end (delta: -792.7MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-12-05 22:12:46,644 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:12:46,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 625.31ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 90.0MB in the end (delta: 24.5MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2024-12-05 22:12:46,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 492.29ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 90.0MB in the beginning and 166.3MB in the end (delta: -76.4MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. [2024-12-05 22:12:46,646 INFO L158 Benchmark]: Boogie Preprocessor took 336.38ms. Allocated memory is still 310.4MB. Free memory was 166.3MB in the beginning and 152.3MB in the end (delta: 14.0MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2024-12-05 22:12:46,647 INFO L158 Benchmark]: RCFGBuilder took 13610.85ms. Allocated memory was 310.4MB in the beginning and 755.0MB in the end (delta: 444.6MB). Free memory was 152.3MB in the beginning and 245.1MB in the end (delta: -92.8MB). Peak memory consumption was 571.4MB. Max. memory is 16.1GB. [2024-12-05 22:12:46,647 INFO L158 Benchmark]: CodeCheck took 84555.81ms. Allocated memory was 755.0MB in the beginning and 1.9GB in the end (delta: 1.2GB). Free memory was 245.1MB in the beginning and 907.4MB in the end (delta: -662.3MB). Peak memory consumption was 524.6MB. Max. memory is 16.1GB. [2024-12-05 22:12:46,650 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 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 625.31ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 90.0MB in the end (delta: 24.5MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 492.29ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 90.0MB in the beginning and 166.3MB in the end (delta: -76.4MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 336.38ms. Allocated memory is still 310.4MB. Free memory was 166.3MB in the beginning and 152.3MB in the end (delta: 14.0MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * RCFGBuilder took 13610.85ms. Allocated memory was 310.4MB in the beginning and 755.0MB in the end (delta: 444.6MB). Free memory was 152.3MB in the beginning and 245.1MB in the end (delta: -92.8MB). Peak memory consumption was 571.4MB. Max. memory is 16.1GB. * CodeCheck took 84555.81ms. Allocated memory was 755.0MB in the beginning and 1.9GB in the end (delta: 1.2GB). Free memory was 245.1MB in the beginning and 907.4MB in the end (delta: -662.3MB). Peak memory consumption was 524.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:12:46,860 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 22:12:46,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/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_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/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_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/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_bd8db396-8327-49b1-831c-30b6786f17d2/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 56e32305e580f3037577c64bd7cf22d48e92622fbb42e9ac4939c1484d78341c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:12:48,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:12:48,791 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 22:12:48,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:12:48,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:12:48,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:12:48,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:12:48,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:12:48,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:12:48,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:12:48,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:12:48,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:12:48,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:12:48,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:12:48,817 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:12:48,817 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:12:48,817 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:12:48,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:12:48,818 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:12:48,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:12:48,818 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:12:48,818 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:12:48,818 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:12:48,818 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:12:48,818 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:12:48,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:12:48,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:12:48,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:12:48,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:12:48,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:12:48,819 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:12:48,819 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:12:48,819 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:12:48,819 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_bd8db396-8327-49b1-831c-30b6786f17d2/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 -> 56e32305e580f3037577c64bd7cf22d48e92622fbb42e9ac4939c1484d78341c [2024-12-05 22:12:49,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:12:49,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:12:49,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:12:49,061 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:12:49,061 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:12:49,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c [2024-12-05 22:12:51,777 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/data/60cf4d1b0/dc4b46433d214442b2bcbea21c70f982/FLAGad4e214dc [2024-12-05 22:12:52,042 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:12:52,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c [2024-12-05 22:12:52,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/data/60cf4d1b0/dc4b46433d214442b2bcbea21c70f982/FLAGad4e214dc [2024-12-05 22:12:52,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/data/60cf4d1b0/dc4b46433d214442b2bcbea21c70f982 [2024-12-05 22:12:52,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:12:52,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:12:52,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:12:52,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:12:52,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:12:52,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:12:52" (1/1) ... [2024-12-05 22:12:52,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3822d07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:52, skipping insertion in model container [2024-12-05 22:12:52,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:12:52" (1/1) ... [2024-12-05 22:12:52,387 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:12:52,510 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_bd8db396-8327-49b1-831c-30b6786f17d2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c[1176,1189] [2024-12-05 22:12:52,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:12:52,744 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:12:52,751 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_bd8db396-8327-49b1-831c-30b6786f17d2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c[1176,1189] [2024-12-05 22:12:52,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:12:52,859 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:12:52,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:52 WrapperNode [2024-12-05 22:12:52,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:12:52,860 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:12:52,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:12:52,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:12:52,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:52" (1/1) ... [2024-12-05 22:12:52,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:52" (1/1) ... [2024-12-05 22:12:52,961 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1722 [2024-12-05 22:12:52,962 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:12:52,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:12:52,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:12:52,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:12:52,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:52" (1/1) ... [2024-12-05 22:12:52,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:52" (1/1) ... [2024-12-05 22:12:52,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:52" (1/1) ... [2024-12-05 22:12:52,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:52" (1/1) ... [2024-12-05 22:12:53,010 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:52" (1/1) ... [2024-12-05 22:12:53,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:52" (1/1) ... [2024-12-05 22:12:53,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:52" (1/1) ... [2024-12-05 22:12:53,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:52" (1/1) ... [2024-12-05 22:12:53,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:52" (1/1) ... [2024-12-05 22:12:53,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:12:53,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:12:53,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:12:53,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:12:53,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:52" (1/1) ... [2024-12-05 22:12:53,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:12:53,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:12:53,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:12:53,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:12:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:12:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:12:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:12:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:12:53,378 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:12:53,379 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:12:57,244 INFO L? ?]: Removed 163 outVars from TransFormulas that were not future-live. [2024-12-05 22:12:57,244 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:12:57,302 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:12:57,303 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:12:57,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:12:57 BoogieIcfgContainer [2024-12-05 22:12:57,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:12:57,304 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:12:57,304 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:12:57,313 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:12:57,313 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:12:57" (1/1) ... [2024-12-05 22:12:57,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:12:57,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:12:57,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:12:57,362 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:12:57,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:12:57,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:12:57,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:12:57,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:12:57,367 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:12:57,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:12:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:12:57,904 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:12:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:12:58,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:12:58,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:12:58,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:12:58,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:13:01,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:13:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:13:01,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:13:01,569 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:13:01,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:13:01,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:13:01,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:13:01,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:13:01,572 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:13:01,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd8db396-8327-49b1-831c-30b6786f17d2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:13:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:13:03,165 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:13:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:13:03,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-12-05 22:13:03,561 INFO L279 TraceCheckSpWp]: Computing forward predicates...