./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.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_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/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_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/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_47e2251f-5e72-49e4-a7b7-403c30857a29/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 de973750058d3058005da1fc030ba6767435b2e1d197fc1b17b9f4e73a4f7fdc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:58:58,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:58:58,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 04:58:58,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:58:58,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:58:59,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:58:59,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:58:59,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:58:59,011 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:58:59,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:58:59,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:58:59,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:58:59,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:58:59,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:58:59,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:58:59,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:58:59,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:58:59,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:58:59,012 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:58:59,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:58:59,012 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:58:59,012 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:58:59,012 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:58:59,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:58:59,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:58:59,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:58:59,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:58:59,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:58:59,013 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:58:59,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:58:59,013 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_47e2251f-5e72-49e4-a7b7-403c30857a29/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 -> de973750058d3058005da1fc030ba6767435b2e1d197fc1b17b9f4e73a4f7fdc [2024-12-06 04:58:59,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:58:59,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:58:59,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:58:59,246 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:58:59,246 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:58:59,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-back-serstep.c [2024-12-06 04:59:01,908 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/data/3e3063fae/7341ce7d985b4afba0d0527a9ef248d5/FLAG52c3ea688 [2024-12-06 04:59:02,175 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:59:02,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-back-serstep.c [2024-12-06 04:59:02,193 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/data/3e3063fae/7341ce7d985b4afba0d0527a9ef248d5/FLAG52c3ea688 [2024-12-06 04:59:02,208 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/data/3e3063fae/7341ce7d985b4afba0d0527a9ef248d5 [2024-12-06 04:59:02,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:59:02,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:59:02,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:59:02,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:59:02,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:59:02,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:59:02" (1/1) ... [2024-12-06 04:59:02,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355f576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:02, skipping insertion in model container [2024-12-06 04:59:02,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:59:02" (1/1) ... [2024-12-06 04:59:02,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:59:02,432 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_47e2251f-5e72-49e4-a7b7-403c30857a29/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-back-serstep.c[1172,1185] [2024-12-06 04:59:02,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:59:02,803 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:59:02,812 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_47e2251f-5e72-49e4-a7b7-403c30857a29/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-back-serstep.c[1172,1185] [2024-12-06 04:59:03,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:59:03,037 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:59:03,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:03 WrapperNode [2024-12-06 04:59:03,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:59:03,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:59:03,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:59:03,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:59:03,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:03" (1/1) ... [2024-12-06 04:59:03,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:03" (1/1) ... [2024-12-06 04:59:03,809 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9002 [2024-12-06 04:59:03,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:59:03,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:59:03,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:59:03,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:59:03,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:03" (1/1) ... [2024-12-06 04:59:03,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:03" (1/1) ... [2024-12-06 04:59:04,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:03" (1/1) ... [2024-12-06 04:59:04,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:03" (1/1) ... [2024-12-06 04:59:04,350 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:03" (1/1) ... [2024-12-06 04:59:04,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:03" (1/1) ... [2024-12-06 04:59:04,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:03" (1/1) ... [2024-12-06 04:59:04,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:03" (1/1) ... [2024-12-06 04:59:04,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:03" (1/1) ... [2024-12-06 04:59:04,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:59:04,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:59:04,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:59:04,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:59:04,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:59:03" (1/1) ... [2024-12-06 04:59:04,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:59:04,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:59:04,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:59:04,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:59:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:59:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:59:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:59:04,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:59:05,125 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:59:05,127 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:59:15,021 INFO L? ?]: Removed 4901 outVars from TransFormulas that were not future-live. [2024-12-06 04:59:15,021 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:59:27,362 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:59:27,362 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:59:27,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:59:27 BoogieIcfgContainer [2024-12-06 04:59:27,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:59:27,364 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:59:27,364 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:59:27,374 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:59:27,374 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:59:27" (1/1) ... [2024-12-06 04:59:27,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:59:27,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:59:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:59:27,426 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:59:27,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:59:27,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:59:27,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:59:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:59:36,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:59:46,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:59:56,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:59:59,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:00:02,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:00:12,771 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 [] [2024-12-06 05:00:12,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:00:12,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 05:00:12,803 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 05:00:12,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:00:12,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:00:12,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:02:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:02:18,977 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:04:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:04:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:04:42,107 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 05:04:42,112 INFO L158 Benchmark]: Toolchain (without parser) took 339900.35ms. Allocated memory was 117.4MB in the beginning and 4.9GB in the end (delta: 4.8GB). Free memory was 88.7MB in the beginning and 3.0GB in the end (delta: -3.0GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-12-06 05:04:42,112 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:04:42,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 825.55ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 88.5MB in the beginning and 118.3MB in the end (delta: -29.9MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. [2024-12-06 05:04:42,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 770.77ms. Allocated memory was 209.7MB in the beginning and 453.0MB in the end (delta: 243.3MB). Free memory was 118.2MB in the beginning and 239.5MB in the end (delta: -121.3MB). Peak memory consumption was 165.3MB. Max. memory is 16.1GB. [2024-12-06 05:04:42,113 INFO L158 Benchmark]: Boogie Preprocessor took 796.36ms. Allocated memory is still 453.0MB. Free memory was 239.5MB in the beginning and 208.8MB in the end (delta: 30.7MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. [2024-12-06 05:04:42,114 INFO L158 Benchmark]: RCFGBuilder took 22756.27ms. Allocated memory was 453.0MB in the beginning and 1.3GB in the end (delta: 805.3MB). Free memory was 208.8MB in the beginning and 526.7MB in the end (delta: -317.9MB). Peak memory consumption was 981.6MB. Max. memory is 16.1GB. [2024-12-06 05:04:42,114 INFO L158 Benchmark]: CodeCheck took 314746.78ms. Allocated memory was 1.3GB in the beginning and 4.9GB in the end (delta: 3.6GB). Free memory was 526.7MB in the beginning and 3.0GB in the end (delta: -2.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-06 05:04:42,117 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 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 825.55ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 88.5MB in the beginning and 118.3MB in the end (delta: -29.9MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 770.77ms. Allocated memory was 209.7MB in the beginning and 453.0MB in the end (delta: 243.3MB). Free memory was 118.2MB in the beginning and 239.5MB in the end (delta: -121.3MB). Peak memory consumption was 165.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 796.36ms. Allocated memory is still 453.0MB. Free memory was 239.5MB in the beginning and 208.8MB in the end (delta: 30.7MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. * RCFGBuilder took 22756.27ms. Allocated memory was 453.0MB in the beginning and 1.3GB in the end (delta: 805.3MB). Free memory was 208.8MB in the beginning and 526.7MB in the end (delta: -317.9MB). Peak memory consumption was 981.6MB. Max. memory is 16.1GB. * CodeCheck took 314746.78ms. Allocated memory was 1.3GB in the beginning and 4.9GB in the end (delta: 3.6GB). Free memory was 526.7MB in the beginning and 3.0GB in the end (delta: -2.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:04:42,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/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_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/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_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/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_47e2251f-5e72-49e4-a7b7-403c30857a29/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 de973750058d3058005da1fc030ba6767435b2e1d197fc1b17b9f4e73a4f7fdc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:04:44,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:04:44,326 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 05:04:44,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:04:44,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:04:44,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:04:44,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:04:44,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:04:44,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:04:44,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:04:44,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:04:44,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:04:44,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:04:44,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:04:44,352 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:04:44,352 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:04:44,352 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:04:44,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:04:44,352 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:04:44,352 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:04:44,352 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:04:44,352 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:04:44,352 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:04:44,352 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:44,352 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:04:44,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:04:44,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:04:44,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:04:44,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:04:44,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:04:44,353 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:04:44,353 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:44,353 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:04:44,353 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_47e2251f-5e72-49e4-a7b7-403c30857a29/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 -> de973750058d3058005da1fc030ba6767435b2e1d197fc1b17b9f4e73a4f7fdc [2024-12-06 05:04:44,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:04:44,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:04:44,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:04:44,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:04:44,611 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:04:44,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-back-serstep.c [2024-12-06 05:04:47,299 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/data/4b3ac71b1/d18ca05232494d30b931fc229a513518/FLAG825ada22d [2024-12-06 05:04:47,560 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:04:47,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-back-serstep.c [2024-12-06 05:04:47,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/data/4b3ac71b1/d18ca05232494d30b931fc229a513518/FLAG825ada22d [2024-12-06 05:04:47,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/data/4b3ac71b1/d18ca05232494d30b931fc229a513518 [2024-12-06 05:04:47,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:04:47,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:04:47,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:04:47,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:04:47,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:04:47,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:47" (1/1) ... [2024-12-06 05:04:47,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fbd788d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:47, skipping insertion in model container [2024-12-06 05:04:47,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:47" (1/1) ... [2024-12-06 05:04:47,650 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:04:47,818 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_47e2251f-5e72-49e4-a7b7-403c30857a29/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-back-serstep.c[1172,1185] [2024-12-06 05:04:48,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:04:48,119 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:04:48,128 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_47e2251f-5e72-49e4-a7b7-403c30857a29/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-back-serstep.c[1172,1185] [2024-12-06 05:04:48,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:04:48,296 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:04:48,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48 WrapperNode [2024-12-06 05:04:48,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:04:48,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:04:48,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:04:48,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:04:48,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,425 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2722 [2024-12-06 05:04:48,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:04:48,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:04:48,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:04:48,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:04:48,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,499 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:04:48,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:04:48,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:04:48,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:04:48,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:48" (1/1) ... [2024-12-06 05:04:48,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:04:48,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:04:48,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:04:48,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:04:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:04:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:04:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:04:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:04:49,035 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:04:49,036 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:04:52,341 INFO L? ?]: Removed 251 outVars from TransFormulas that were not future-live. [2024-12-06 05:04:52,341 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:04:52,432 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:04:52,432 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:04:52,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:52 BoogieIcfgContainer [2024-12-06 05:04:52,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:04:52,433 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:04:52,433 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:04:52,442 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:04:52,443 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:52" (1/1) ... [2024-12-06 05:04:52,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:04:52,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:52,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:04:52,491 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:04:52,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:04:52,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:52,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:52,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:52,496 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:52,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:04:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:53,279 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:04:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:53,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:04:53,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:04:53,591 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 05:04:53,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:04:53,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:53,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 05:04:53,911 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 05:04:53,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:04:53,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:53,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:53,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:53,914 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:53,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e2251f-5e72-49e4-a7b7-403c30857a29/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:04:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:55,138 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:04:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:55,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-12-06 05:04:55,564 INFO L279 TraceCheckSpWp]: Computing forward predicates...