./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.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_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/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_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/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_a57c5bbb-792c-4068-aeed-abc04223df35/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 87b63b5e380bb6db7d619c72eb4f386dd2a151898d57957012363e2c778901d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:43:19,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:43:19,813 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:43:19,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:43:19,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:43:19,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:43:19,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:43:19,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:43:19,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:43:19,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:43:19,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:43:19,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:43:19,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:43:19,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:43:19,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:43:19,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:43:19,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:43:19,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:43:19,837 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:43:19,837 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:43:19,837 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:43:19,837 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:43:19,837 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:43:19,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:43:19,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:43:19,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:43:19,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:43:19,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:43:19,838 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:43:19,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:43:19,838 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_a57c5bbb-792c-4068-aeed-abc04223df35/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 -> 87b63b5e380bb6db7d619c72eb4f386dd2a151898d57957012363e2c778901d8 [2024-12-06 00:43:20,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:43:20,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:43:20,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:43:20,057 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:43:20,058 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:43:20,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2024-12-06 00:43:22,750 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/data/b18d03912/dd3851857c934c4892fd866137bdea2b/FLAG5998caa34 [2024-12-06 00:43:22,998 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:43:22,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2024-12-06 00:43:23,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/data/b18d03912/dd3851857c934c4892fd866137bdea2b/FLAG5998caa34 [2024-12-06 00:43:23,297 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/data/b18d03912/dd3851857c934c4892fd866137bdea2b [2024-12-06 00:43:23,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:43:23,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:43:23,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:43:23,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:43:23,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:43:23,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:43:23" (1/1) ... [2024-12-06 00:43:23,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e25d004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:23, skipping insertion in model container [2024-12-06 00:43:23,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:43:23" (1/1) ... [2024-12-06 00:43:23,338 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:43:23,480 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_a57c5bbb-792c-4068-aeed-abc04223df35/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1177,1190] [2024-12-06 00:43:23,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:43:23,716 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:43:23,723 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_a57c5bbb-792c-4068-aeed-abc04223df35/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1177,1190] [2024-12-06 00:43:23,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:43:23,860 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:43:23,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:23 WrapperNode [2024-12-06 00:43:23,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:43:23,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:43:23,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:43:23,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:43:23,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:23" (1/1) ... [2024-12-06 00:43:23,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:23" (1/1) ... [2024-12-06 00:43:24,318 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4590 [2024-12-06 00:43:24,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:43:24,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:43:24,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:43:24,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:43:24,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:23" (1/1) ... [2024-12-06 00:43:24,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:23" (1/1) ... [2024-12-06 00:43:24,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:23" (1/1) ... [2024-12-06 00:43:24,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:23" (1/1) ... [2024-12-06 00:43:24,529 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:23" (1/1) ... [2024-12-06 00:43:24,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:23" (1/1) ... [2024-12-06 00:43:24,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:23" (1/1) ... [2024-12-06 00:43:24,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:23" (1/1) ... [2024-12-06 00:43:24,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:23" (1/1) ... [2024-12-06 00:43:24,725 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:43:24,726 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:43:24,726 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:43:24,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:43:24,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:23" (1/1) ... [2024-12-06 00:43:24,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:43:24,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:43:24,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:43:24,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:43:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:43:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:43:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:43:24,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:43:25,061 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:43:25,063 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:43:29,855 INFO L? ?]: Removed 2465 outVars from TransFormulas that were not future-live. [2024-12-06 00:43:29,855 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:43:34,679 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:43:34,679 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:43:34,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:43:34 BoogieIcfgContainer [2024-12-06 00:43:34,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:43:34,680 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:43:34,680 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:43:34,687 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:43:34,687 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:43:34" (1/1) ... [2024-12-06 00:43:34,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:43:34,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:34,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:43:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:43:34,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:43:34,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:34,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:36,831 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 00:43:46,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:43:57,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:43:59,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:44:07,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:44:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:07,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:44:07,771 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:44:07,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:44:07,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:07,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:44:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:44:36,748 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:44:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:45:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:45:03,285 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 00:45:03,289 INFO L158 Benchmark]: Toolchain (without parser) took 99988.93ms. Allocated memory was 142.6MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 114.2MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 977.6MB. Max. memory is 16.1GB. [2024-12-06 00:45:03,289 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:45:03,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 560.13ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 55.0MB in the end (delta: 59.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 00:45:03,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 456.84ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 55.0MB in the beginning and 266.3MB in the end (delta: -211.3MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. [2024-12-06 00:45:03,290 INFO L158 Benchmark]: Boogie Preprocessor took 406.04ms. Allocated memory is still 369.1MB. Free memory was 266.3MB in the beginning and 241.0MB in the end (delta: 25.3MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2024-12-06 00:45:03,291 INFO L158 Benchmark]: RCFGBuilder took 9953.24ms. Allocated memory was 369.1MB in the beginning and 1.2GB in the end (delta: 788.5MB). Free memory was 241.0MB in the beginning and 682.3MB in the end (delta: -441.3MB). Peak memory consumption was 745.7MB. Max. memory is 16.1GB. [2024-12-06 00:45:03,291 INFO L158 Benchmark]: CodeCheck took 88608.63ms. Allocated memory was 1.2GB in the beginning and 2.3GB in the end (delta: 1.1GB). Free memory was 682.3MB in the beginning and 1.3GB in the end (delta: -611.6MB). Peak memory consumption was 529.1MB. Max. memory is 16.1GB. [2024-12-06 00:45:03,293 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 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 560.13ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 55.0MB in the end (delta: 59.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 456.84ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 55.0MB in the beginning and 266.3MB in the end (delta: -211.3MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 406.04ms. Allocated memory is still 369.1MB. Free memory was 266.3MB in the beginning and 241.0MB in the end (delta: 25.3MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * RCFGBuilder took 9953.24ms. Allocated memory was 369.1MB in the beginning and 1.2GB in the end (delta: 788.5MB). Free memory was 241.0MB in the beginning and 682.3MB in the end (delta: -441.3MB). Peak memory consumption was 745.7MB. Max. memory is 16.1GB. * CodeCheck took 88608.63ms. Allocated memory was 1.2GB in the beginning and 2.3GB in the end (delta: 1.1GB). Free memory was 682.3MB in the beginning and 1.3GB in the end (delta: -611.6MB). Peak memory consumption was 529.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:45:03,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/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_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/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_a57c5bbb-792c-4068-aeed-abc04223df35/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 87b63b5e380bb6db7d619c72eb4f386dd2a151898d57957012363e2c778901d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:45:05,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:45:05,477 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:45:05,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:45:05,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:45:05,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:45:05,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:45:05,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:45:05,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:45:05,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:45:05,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:45:05,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:45:05,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:45:05,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:45:05,506 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:45:05,506 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:45:05,506 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:45:05,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:45:05,506 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:45:05,506 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:45:05,507 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:45:05,507 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:45:05,507 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:45:05,507 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:45:05,507 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:45:05,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:45:05,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:45:05,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:45:05,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:45:05,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:45:05,508 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:45:05,508 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:45:05,508 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:45:05,508 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_a57c5bbb-792c-4068-aeed-abc04223df35/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 -> 87b63b5e380bb6db7d619c72eb4f386dd2a151898d57957012363e2c778901d8 [2024-12-06 00:45:05,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:45:05,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:45:05,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:45:05,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:45:05,762 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:45:05,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2024-12-06 00:45:08,435 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/data/4dc19099c/aa3a76ae31f9455d88d91fc8d0df3a43/FLAGab5a6b2c0 [2024-12-06 00:45:08,687 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:45:08,687 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2024-12-06 00:45:08,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/data/4dc19099c/aa3a76ae31f9455d88d91fc8d0df3a43/FLAGab5a6b2c0 [2024-12-06 00:45:08,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/data/4dc19099c/aa3a76ae31f9455d88d91fc8d0df3a43 [2024-12-06 00:45:08,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:45:08,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:45:08,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:45:08,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:45:08,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:45:08,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:45:08" (1/1) ... [2024-12-06 00:45:08,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5506c4c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:45:08, skipping insertion in model container [2024-12-06 00:45:08,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:45:08" (1/1) ... [2024-12-06 00:45:08,755 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:45:08,879 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_a57c5bbb-792c-4068-aeed-abc04223df35/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1177,1190] [2024-12-06 00:45:09,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:45:09,096 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:45:09,103 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_a57c5bbb-792c-4068-aeed-abc04223df35/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1177,1190] [2024-12-06 00:45:09,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:45:09,203 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:45:09,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:45:09 WrapperNode [2024-12-06 00:45:09,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:45:09,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:45:09,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:45:09,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:45:09,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:45:09" (1/1) ... [2024-12-06 00:45:09,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:45:09" (1/1) ... [2024-12-06 00:45:09,293 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1422 [2024-12-06 00:45:09,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:45:09,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:45:09,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:45:09,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:45:09,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:45:09" (1/1) ... [2024-12-06 00:45:09,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:45:09" (1/1) ... [2024-12-06 00:45:09,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:45:09" (1/1) ... [2024-12-06 00:45:09,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:45:09" (1/1) ... [2024-12-06 00:45:09,333 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:45:09" (1/1) ... [2024-12-06 00:45:09,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:45:09" (1/1) ... [2024-12-06 00:45:09,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:45:09" (1/1) ... [2024-12-06 00:45:09,345 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:45:09" (1/1) ... [2024-12-06 00:45:09,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:45:09" (1/1) ... [2024-12-06 00:45:09,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:45:09,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:45:09,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:45:09,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:45:09,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:45:09" (1/1) ... [2024-12-06 00:45:09,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:45:09,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:45:09,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:45:09,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:45:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:45:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:45:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:45:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:45:09,678 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:45:09,680 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:45:10,978 INFO L? ?]: Removed 187 outVars from TransFormulas that were not future-live. [2024-12-06 00:45:10,978 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:45:11,036 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:45:11,036 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:45:11,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:45:11 BoogieIcfgContainer [2024-12-06 00:45:11,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:45:11,037 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:45:11,037 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:45:11,045 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:45:11,046 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:45:11" (1/1) ... [2024-12-06 00:45:11,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:45:11,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:45:11,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:45:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:45:11,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:45:11,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:45:11,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:45:11,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:45:11,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:45:11,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:45:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:45:11,608 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:45:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:45:11,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:45:11,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:45:11,835 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 00:45:11,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:45:11,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:45:11,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:45:11,984 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:45:11,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:45:11,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:45:11,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:45:11,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:45:11,987 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:45:11,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57c5bbb-792c-4068-aeed-abc04223df35/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:45:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:45:12,801 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:45:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:45:13,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-06 00:45:13,085 INFO L279 TraceCheckSpWp]: Computing forward predicates...