./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.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_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/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_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/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_28204983-1a98-43d5-8f79-a1b28b4db437/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 b08cb245b1ebb8358bda5eb436bd624ee6051a6d0059cc1e949bca245aa6cc59 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:46:25,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:46:25,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 22:46:25,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:46:25,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:46:25,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:46:25,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:46:25,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:46:25,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:46:25,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:46:25,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:46:25,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:46:25,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:46:25,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:46:25,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:46:25,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:46:25,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:46:25,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:46:25,811 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:46:25,811 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:46:25,811 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:46:25,811 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:46:25,811 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:46:25,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:46:25,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:46:25,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:46:25,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:46:25,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:46:25,812 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:46:25,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:46:25,812 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_28204983-1a98-43d5-8f79-a1b28b4db437/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 -> b08cb245b1ebb8358bda5eb436bd624ee6051a6d0059cc1e949bca245aa6cc59 [2024-12-05 22:46:26,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:46:26,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:46:26,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:46:26,041 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:46:26,042 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:46:26,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.2.prop1-back-serstep.c [2024-12-05 22:46:28,664 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/data/155a9aa47/304d19c0298b44a290cdfe961220e0bf/FLAGb28cd4e5e [2024-12-05 22:46:29,021 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:46:29,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.2.prop1-back-serstep.c [2024-12-05 22:46:29,040 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/data/155a9aa47/304d19c0298b44a290cdfe961220e0bf/FLAGb28cd4e5e [2024-12-05 22:46:29,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/data/155a9aa47/304d19c0298b44a290cdfe961220e0bf [2024-12-05 22:46:29,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:46:29,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:46:29,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:46:29,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:46:29,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:46:29,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:46:29" (1/1) ... [2024-12-05 22:46:29,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@368f2b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:29, skipping insertion in model container [2024-12-05 22:46:29,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:46:29" (1/1) ... [2024-12-05 22:46:29,338 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:46:29,506 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_28204983-1a98-43d5-8f79-a1b28b4db437/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.2.prop1-back-serstep.c[1177,1190] [2024-12-05 22:46:29,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:46:29,910 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:46:29,920 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_28204983-1a98-43d5-8f79-a1b28b4db437/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.2.prop1-back-serstep.c[1177,1190] [2024-12-05 22:46:30,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:46:30,198 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:46:30,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:30 WrapperNode [2024-12-05 22:46:30,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:46:30,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:46:30,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:46:30,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:46:30,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:30" (1/1) ... [2024-12-05 22:46:30,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:30" (1/1) ... [2024-12-05 22:46:31,013 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10267 [2024-12-05 22:46:31,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:46:31,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:46:31,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:46:31,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:46:31,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:30" (1/1) ... [2024-12-05 22:46:31,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:30" (1/1) ... [2024-12-05 22:46:31,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:30" (1/1) ... [2024-12-05 22:46:31,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:30" (1/1) ... [2024-12-05 22:46:31,531 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:30" (1/1) ... [2024-12-05 22:46:31,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:30" (1/1) ... [2024-12-05 22:46:31,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:30" (1/1) ... [2024-12-05 22:46:31,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:30" (1/1) ... [2024-12-05 22:46:31,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:30" (1/1) ... [2024-12-05 22:46:31,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:46:31,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:46:31,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:46:31,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:46:31,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:30" (1/1) ... [2024-12-05 22:46:31,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:46:31,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:46:31,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:46:31,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:46:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:46:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:46:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:46:31,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:46:32,445 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:46:32,447 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:46:47,524 INFO L? ?]: Removed 5563 outVars from TransFormulas that were not future-live. [2024-12-05 22:46:47,524 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:47:01,886 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:47:01,886 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:47:01,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:47:01 BoogieIcfgContainer [2024-12-05 22:47:01,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:47:01,888 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:47:01,888 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:47:01,896 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:47:01,897 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:47:01" (1/1) ... [2024-12-05 22:47:01,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:47:01,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:01,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:47:01,954 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:47:01,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:47:01,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:01,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:47:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:07,988 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 22:47:18,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:47:28,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:47:31,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:47:42,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:47:43,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:47:47,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:47:57,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:47:57,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:57,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 22:47:57,113 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 22:47:57,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:47:57,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:57,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:52:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:53:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:53:07,797 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 22:53:07,805 INFO L158 Benchmark]: Toolchain (without parser) took 398541.22ms. Allocated memory was 117.4MB in the beginning and 5.5GB in the end (delta: 5.4GB). Free memory was 88.0MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2024-12-05 22:53:07,805 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:53:07,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 933.88ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 87.8MB in the beginning and 122.5MB in the end (delta: -34.8MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. [2024-12-05 22:53:07,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 814.58ms. Allocated memory was 226.5MB in the beginning and 679.5MB in the end (delta: 453.0MB). Free memory was 122.4MB in the beginning and 463.3MB in the end (delta: -340.9MB). Peak memory consumption was 226.7MB. Max. memory is 16.1GB. [2024-12-05 22:53:07,808 INFO L158 Benchmark]: Boogie Preprocessor took 843.09ms. Allocated memory is still 679.5MB. Free memory was 463.3MB in the beginning and 410.7MB in the end (delta: 52.6MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2024-12-05 22:53:07,809 INFO L158 Benchmark]: RCFGBuilder took 30028.27ms. Allocated memory was 679.5MB in the beginning and 2.6GB in the end (delta: 1.9GB). Free memory was 410.7MB in the beginning and 2.0GB in the end (delta: -1.6GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-12-05 22:53:07,810 INFO L158 Benchmark]: CodeCheck took 365915.40ms. Allocated memory was 2.6GB in the beginning and 5.5GB in the end (delta: 2.9GB). Free memory was 2.0GB in the beginning and 2.5GB in the end (delta: -505.5MB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2024-12-05 22:53:07,814 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 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 933.88ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 87.8MB in the beginning and 122.5MB in the end (delta: -34.8MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 814.58ms. Allocated memory was 226.5MB in the beginning and 679.5MB in the end (delta: 453.0MB). Free memory was 122.4MB in the beginning and 463.3MB in the end (delta: -340.9MB). Peak memory consumption was 226.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 843.09ms. Allocated memory is still 679.5MB. Free memory was 463.3MB in the beginning and 410.7MB in the end (delta: 52.6MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. * RCFGBuilder took 30028.27ms. Allocated memory was 679.5MB in the beginning and 2.6GB in the end (delta: 1.9GB). Free memory was 410.7MB in the beginning and 2.0GB in the end (delta: -1.6GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * CodeCheck took 365915.40ms. Allocated memory was 2.6GB in the beginning and 5.5GB in the end (delta: 2.9GB). Free memory was 2.0GB in the beginning and 2.5GB in the end (delta: -505.5MB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:53:08,030 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 22:53:08,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/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_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/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_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/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_28204983-1a98-43d5-8f79-a1b28b4db437/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 b08cb245b1ebb8358bda5eb436bd624ee6051a6d0059cc1e949bca245aa6cc59 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:53:10,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:53:10,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 22:53:10,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:53:10,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:53:10,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:53:10,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:53:10,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:53:10,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:53:10,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:53:10,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:53:10,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:53:10,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:53:10,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:53:10,699 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:53:10,699 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:53:10,699 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:53:10,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:53:10,699 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:53:10,699 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:53:10,699 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:53:10,699 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:53:10,700 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:53:10,700 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:10,700 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:53:10,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:53:10,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:53:10,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:53:10,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:53:10,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:53:10,701 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:53:10,701 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:10,701 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:53:10,701 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_28204983-1a98-43d5-8f79-a1b28b4db437/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 -> b08cb245b1ebb8358bda5eb436bd624ee6051a6d0059cc1e949bca245aa6cc59 [2024-12-05 22:53:10,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:53:10,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:53:10,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:53:10,994 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:53:10,995 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:53:10,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.2.prop1-back-serstep.c [2024-12-05 22:53:14,063 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/data/b7c7991f8/3016fe875fdb483f92a00b06ec3de710/FLAGad8440633 [2024-12-05 22:53:14,479 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:53:14,480 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.2.prop1-back-serstep.c [2024-12-05 22:53:14,507 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/data/b7c7991f8/3016fe875fdb483f92a00b06ec3de710/FLAGad8440633 [2024-12-05 22:53:14,525 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/data/b7c7991f8/3016fe875fdb483f92a00b06ec3de710 [2024-12-05 22:53:14,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:53:14,530 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:53:14,531 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:53:14,531 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:53:14,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:53:14,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:53:14" (1/1) ... [2024-12-05 22:53:14,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e3291b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:14, skipping insertion in model container [2024-12-05 22:53:14,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:53:14" (1/1) ... [2024-12-05 22:53:14,620 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:53:14,848 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_28204983-1a98-43d5-8f79-a1b28b4db437/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.2.prop1-back-serstep.c[1177,1190] [2024-12-05 22:53:15,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:53:15,241 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:53:15,253 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_28204983-1a98-43d5-8f79-a1b28b4db437/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.2.prop1-back-serstep.c[1177,1190] [2024-12-05 22:53:15,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:53:15,475 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:53:15,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:15 WrapperNode [2024-12-05 22:53:15,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:53:15,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:53:15,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:53:15,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:53:15,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:15" (1/1) ... [2024-12-05 22:53:15,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:15" (1/1) ... [2024-12-05 22:53:15,649 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3171 [2024-12-05 22:53:15,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:53:15,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:53:15,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:53:15,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:53:15,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:15" (1/1) ... [2024-12-05 22:53:15,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:15" (1/1) ... [2024-12-05 22:53:15,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:15" (1/1) ... [2024-12-05 22:53:15,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:15" (1/1) ... [2024-12-05 22:53:15,748 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:15" (1/1) ... [2024-12-05 22:53:15,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:15" (1/1) ... [2024-12-05 22:53:15,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:15" (1/1) ... [2024-12-05 22:53:15,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:15" (1/1) ... [2024-12-05 22:53:15,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:15" (1/1) ... [2024-12-05 22:53:15,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:53:15,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:53:15,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:53:15,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:53:15,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:15" (1/1) ... [2024-12-05 22:53:15,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:53:15,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:53:15,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:53:15,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:53:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:53:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:53:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:53:15,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:53:16,497 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:53:16,499 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:53:25,182 INFO L? ?]: Removed 320 outVars from TransFormulas that were not future-live. [2024-12-05 22:53:25,182 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:53:25,276 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:53:25,277 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:53:25,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:53:25 BoogieIcfgContainer [2024-12-05 22:53:25,277 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:53:25,278 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:53:25,278 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:53:25,286 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:53:25,286 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:53:25" (1/1) ... [2024-12-05 22:53:25,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:53:25,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:25,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:53:25,336 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:53:25,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:53:25,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:25,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:25,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:25,341 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:25,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:53:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:26,285 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:26,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 22:53:26,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:26,656 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 22:53:26,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:53:29,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:53:29,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:29,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:53:29,814 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:53:29,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:53:29,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:29,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:29,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:29,817 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:29,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28204983-1a98-43d5-8f79-a1b28b4db437/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:53:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:32,065 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:32,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-12-05 22:53:32,700 INFO L279 TraceCheckSpWp]: Computing forward predicates...