./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.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_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3 --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 9ef61f068a8126fec6af6cf6a211fa3dc7f8659e8a24e8da0b8d736f4ceaeaf2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:23:24,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:23:24,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 05:23:24,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:23:24,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:23:24,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:23:24,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:23:24,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:23:24,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:23:24,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:23:24,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:23:24,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:23:24,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:23:24,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:23:24,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:23:24,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:23:24,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:23:24,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:23:24,623 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:23:24,623 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:23:24,623 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:23:24,623 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:23:24,624 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:23:24,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:23:24,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:23:24,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:23:24,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:23:24,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:23:24,625 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:23:24,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:23:24,625 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_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3 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 -> 9ef61f068a8126fec6af6cf6a211fa3dc7f8659e8a24e8da0b8d736f4ceaeaf2 [2024-11-25 05:23:24,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:23:24,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:23:24,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:23:24,906 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:23:24,907 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:23:24,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c [2024-11-25 05:23:27,962 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/data/390ed1d9f/b47eecae328040e998586c1f5e0d6d90/FLAGc270abee6 [2024-11-25 05:23:28,554 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:23:28,554 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c [2024-11-25 05:23:28,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/data/390ed1d9f/b47eecae328040e998586c1f5e0d6d90/FLAGc270abee6 [2024-11-25 05:23:28,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/data/390ed1d9f/b47eecae328040e998586c1f5e0d6d90 [2024-11-25 05:23:28,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:23:28,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:23:28,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:23:28,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:23:28,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:23:28,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:23:28" (1/1) ... [2024-11-25 05:23:28,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55c7c010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:28, skipping insertion in model container [2024-11-25 05:23:28,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:23:28" (1/1) ... [2024-11-25 05:23:28,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:23:28,978 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_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c[1172,1185] [2024-11-25 05:23:29,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:23:29,687 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:23:29,697 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_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c[1172,1185] [2024-11-25 05:23:30,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:23:30,050 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:23:30,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:30 WrapperNode [2024-11-25 05:23:30,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:23:30,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:23:30,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:23:30,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:23:30,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:30" (1/1) ... [2024-11-25 05:23:30,152 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:30" (1/1) ... [2024-11-25 05:23:31,491 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11229 [2024-11-25 05:23:31,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:23:31,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:23:31,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:23:31,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:23:31,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:30" (1/1) ... [2024-11-25 05:23:31,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:30" (1/1) ... [2024-11-25 05:23:31,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:30" (1/1) ... [2024-11-25 05:23:31,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:30" (1/1) ... [2024-11-25 05:23:32,318 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:30" (1/1) ... [2024-11-25 05:23:32,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:30" (1/1) ... [2024-11-25 05:23:32,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:30" (1/1) ... [2024-11-25 05:23:32,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:30" (1/1) ... [2024-11-25 05:23:32,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:30" (1/1) ... [2024-11-25 05:23:32,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:23:32,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:23:32,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:23:32,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:23:32,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:30" (1/1) ... [2024-11-25 05:23:32,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:23:32,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:23:32,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:23:32,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:23:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:23:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:23:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:23:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:23:33,800 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:23:33,804 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:23:54,627 INFO L? ?]: Removed 6118 outVars from TransFormulas that were not future-live. [2024-11-25 05:23:54,627 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:24:14,602 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:24:14,602 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:24:14,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:24:14 BoogieIcfgContainer [2024-11-25 05:24:14,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:24:14,604 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:24:14,604 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:24:14,615 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:24:14,615 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:24:14" (1/1) ... [2024-11-25 05:24:14,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:24:14,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:14,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 05:24:14,675 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 05:24:14,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:24:14,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:14,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:24:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:30,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:24:41,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:24:51,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:24:58,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.33s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:24:59,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:25:09,809 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 [] [2024-11-25 05:25:09,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:25:09,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 05:25:09,849 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 05:25:09,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:25:09,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:25:09,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:31:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:31:10,409 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:36:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:36:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:36:26,415 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) [2024-11-25 05:36:26,421 INFO L158 Benchmark]: Toolchain (without parser) took 777799.63ms. Allocated memory was 142.6MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 101.4MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-25 05:36:26,422 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:36:26,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1427.66ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 101.1MB in the beginning and 340.6MB in the end (delta: -239.6MB). Peak memory consumption was 116.9MB. Max. memory is 16.1GB. [2024-11-25 05:36:26,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 1441.41ms. Allocated memory was 453.0MB in the beginning and 1.4GB in the end (delta: 906.0MB). Free memory was 340.6MB in the beginning and 1.1GB in the end (delta: -757.2MB). Peak memory consumption was 333.6MB. Max. memory is 16.1GB. [2024-11-25 05:36:26,424 INFO L158 Benchmark]: Boogie Preprocessor took 1294.93ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 85.2MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. [2024-11-25 05:36:26,424 INFO L158 Benchmark]: RCFGBuilder took 41813.59ms. Allocated memory was 1.4GB in the beginning and 8.7GB in the end (delta: 7.4GB). Free memory was 1.0GB in the beginning and 8.0GB in the end (delta: -7.0GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2024-11-25 05:36:26,425 INFO L158 Benchmark]: CodeCheck took 731815.93ms. Allocated memory was 8.7GB in the beginning and 3.0GB in the end (delta: -5.7GB). Free memory was 8.0GB in the beginning and 1.6GB in the end (delta: 6.4GB). Peak memory consumption was 657.9MB. Max. memory is 16.1GB. [2024-11-25 05:36:26,429 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 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1427.66ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 101.1MB in the beginning and 340.6MB in the end (delta: -239.6MB). Peak memory consumption was 116.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1441.41ms. Allocated memory was 453.0MB in the beginning and 1.4GB in the end (delta: 906.0MB). Free memory was 340.6MB in the beginning and 1.1GB in the end (delta: -757.2MB). Peak memory consumption was 333.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1294.93ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 85.2MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. * RCFGBuilder took 41813.59ms. Allocated memory was 1.4GB in the beginning and 8.7GB in the end (delta: 7.4GB). Free memory was 1.0GB in the beginning and 8.0GB in the end (delta: -7.0GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. * CodeCheck took 731815.93ms. Allocated memory was 8.7GB in the beginning and 3.0GB in the end (delta: -5.7GB). Free memory was 8.0GB in the beginning and 1.6GB in the end (delta: 6.4GB). Peak memory consumption was 657.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 05:36:26,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3 --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 9ef61f068a8126fec6af6cf6a211fa3dc7f8659e8a24e8da0b8d736f4ceaeaf2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:36:29,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:36:29,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 05:36:29,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:36:29,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:36:29,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:36:29,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:36:29,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:36:29,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:36:29,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:36:29,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:36:29,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:36:29,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:36:29,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:36:29,530 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:36:29,530 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:36:29,530 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:36:29,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:36:29,530 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:36:29,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:36:29,530 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:36:29,530 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:36:29,530 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:36:29,530 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:29,530 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:36:29,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:36:29,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:36:29,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:36:29,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:36:29,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:36:29,531 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:36:29,531 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:36:29,531 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:36:29,531 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_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3 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 -> 9ef61f068a8126fec6af6cf6a211fa3dc7f8659e8a24e8da0b8d736f4ceaeaf2 [2024-11-25 05:36:29,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:36:29,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:36:29,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:36:29,897 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:36:29,897 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:36:29,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c [2024-11-25 05:36:33,017 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/data/b1367024e/0e38a60893564ed593cdfe7ea30d625e/FLAGb99be5bea [2024-11-25 05:36:33,567 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:36:33,568 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c [2024-11-25 05:36:33,608 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/data/b1367024e/0e38a60893564ed593cdfe7ea30d625e/FLAGb99be5bea [2024-11-25 05:36:33,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/bin/ukojak-verify-ENZ3QT5qd3/data/b1367024e/0e38a60893564ed593cdfe7ea30d625e [2024-11-25 05:36:33,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:36:33,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:36:33,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:36:33,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:36:33,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:36:33,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:36:33" (1/1) ... [2024-11-25 05:36:33,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f0aff85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:36:33, skipping insertion in model container [2024-11-25 05:36:33,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:36:33" (1/1) ... [2024-11-25 05:36:33,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:36:33,980 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_1591ba6b-4e1a-4caf-855e-b4c9ff0599bb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.8.prop1-back-serstep.c[1172,1185]