./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-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_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/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_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/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_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/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 52d17bc0e7c8d869df3c1c7f8d4ee69c82adee816ff74768807d94b7498b765d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:15:36,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:15:36,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 02:15:36,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:15:36,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:15:36,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:15:36,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:15:36,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:15:36,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:15:36,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:15:36,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:15:36,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:15:36,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:15:36,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:15:36,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:15:36,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:15:36,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:15:36,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:15:36,286 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:15:36,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:15:36,286 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:15:36,286 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:15:36,286 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:15:36,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:15:36,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:15:36,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:15:36,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:15:36,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:15:36,288 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:15:36,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:15:36,288 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_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/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 -> 52d17bc0e7c8d869df3c1c7f8d4ee69c82adee816ff74768807d94b7498b765d [2024-11-25 02:15:36,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:15:36,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:15:36,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:15:36,753 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:15:36,754 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:15:36,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c [2024-11-25 02:15:40,289 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/data/a3d1d3a3e/92801194df724b0e86e41e742155a32b/FLAGcb5b4c026 [2024-11-25 02:15:40,839 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:15:40,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c [2024-11-25 02:15:40,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/data/a3d1d3a3e/92801194df724b0e86e41e742155a32b/FLAGcb5b4c026 [2024-11-25 02:15:40,885 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/data/a3d1d3a3e/92801194df724b0e86e41e742155a32b [2024-11-25 02:15:40,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:15:40,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:15:40,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:15:40,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:15:40,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:15:40,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:15:40" (1/1) ... [2024-11-25 02:15:40,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140cd51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:40, skipping insertion in model container [2024-11-25 02:15:40,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:15:40" (1/1) ... [2024-11-25 02:15:41,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:15:41,277 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_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c[1172,1185] [2024-11-25 02:15:42,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:15:42,017 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:15:42,030 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_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c[1172,1185] [2024-11-25 02:15:42,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:15:42,490 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:15:42,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:42 WrapperNode [2024-11-25 02:15:42,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:15:42,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:15:42,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:15:42,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:15:42,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:42" (1/1) ... [2024-11-25 02:15:42,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:42" (1/1) ... [2024-11-25 02:15:43,923 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11615 [2024-11-25 02:15:43,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:15:43,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:15:43,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:15:43,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:15:43,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:42" (1/1) ... [2024-11-25 02:15:43,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:42" (1/1) ... [2024-11-25 02:15:44,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:42" (1/1) ... [2024-11-25 02:15:44,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:42" (1/1) ... [2024-11-25 02:15:44,809 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:42" (1/1) ... [2024-11-25 02:15:44,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:42" (1/1) ... [2024-11-25 02:15:45,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:42" (1/1) ... [2024-11-25 02:15:45,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:42" (1/1) ... [2024-11-25 02:15:45,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:42" (1/1) ... [2024-11-25 02:15:45,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:15:45,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:15:45,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:15:45,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:15:45,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:42" (1/1) ... [2024-11-25 02:15:45,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:15:45,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:15:45,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:15:45,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:15:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:15:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:15:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:15:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:15:46,558 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:15:46,561 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:16:11,694 INFO L? ?]: Removed 6187 outVars from TransFormulas that were not future-live. [2024-11-25 02:16:11,694 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:16:36,956 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:16:36,957 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:16:36,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:16:36 BoogieIcfgContainer [2024-11-25 02:16:36,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:16:36,958 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:16:36,958 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:16:36,969 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:16:36,970 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:16:36" (1/1) ... [2024-11-25 02:16:36,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:16:37,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:37,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:16:37,052 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:16:37,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:16:37,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:37,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:57,048 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 02:17:07,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:17:17,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:17:19,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:17:21,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:17:24,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:17:28,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:17:38,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:17:38,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:17:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 02:17:38,841 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 02:17:38,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:17:38,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:17:38,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:24:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:24:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:24:44,192 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 02:24:44,207 INFO L158 Benchmark]: Toolchain (without parser) took 543316.82ms. Allocated memory was 142.6MB in the beginning and 4.5GB in the end (delta: 4.4GB). Free memory was 101.2MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2024-11-25 02:24:44,212 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory was 104.4MB in the beginning and 104.0MB in the end (delta: 381.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:24:44,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1600.83ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 100.9MB in the beginning and 55.1MB in the end (delta: 45.8MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. [2024-11-25 02:24:44,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 1431.29ms. Allocated memory was 151.0MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 55.1MB in the beginning and 972.7MB in the end (delta: -917.7MB). Peak memory consumption was 185.4MB. Max. memory is 16.1GB. [2024-11-25 02:24:44,215 INFO L158 Benchmark]: Boogie Preprocessor took 1566.83ms. Allocated memory is still 1.2GB. Free memory was 972.7MB in the beginning and 915.8MB in the end (delta: 56.9MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. [2024-11-25 02:24:44,216 INFO L158 Benchmark]: RCFGBuilder took 51463.99ms. Allocated memory was 1.2GB in the beginning and 8.9GB in the end (delta: 7.7GB). Free memory was 915.8MB in the beginning and 8.1GB in the end (delta: -7.2GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. [2024-11-25 02:24:44,217 INFO L158 Benchmark]: CodeCheck took 487247.47ms. Allocated memory was 8.9GB in the beginning and 4.5GB in the end (delta: -4.4GB). Free memory was 8.1GB in the beginning and 2.3GB in the end (delta: 5.7GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-25 02:24:44,223 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 0.50ms. Allocated memory is still 167.8MB. Free memory was 104.4MB in the beginning and 104.0MB in the end (delta: 381.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1600.83ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 100.9MB in the beginning and 55.1MB in the end (delta: 45.8MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1431.29ms. Allocated memory was 151.0MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 55.1MB in the beginning and 972.7MB in the end (delta: -917.7MB). Peak memory consumption was 185.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1566.83ms. Allocated memory is still 1.2GB. Free memory was 972.7MB in the beginning and 915.8MB in the end (delta: 56.9MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. * RCFGBuilder took 51463.99ms. Allocated memory was 1.2GB in the beginning and 8.9GB in the end (delta: 7.7GB). Free memory was 915.8MB in the beginning and 8.1GB in the end (delta: -7.2GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. * CodeCheck took 487247.47ms. Allocated memory was 8.9GB in the beginning and 4.5GB in the end (delta: -4.4GB). Free memory was 8.1GB in the beginning and 2.3GB in the end (delta: 5.7GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:24:44,463 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 02:24:44,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/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_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/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_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/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_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/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 52d17bc0e7c8d869df3c1c7f8d4ee69c82adee816ff74768807d94b7498b765d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:24:47,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:24:48,066 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 02:24:48,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:24:48,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:24:48,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:24:48,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:24:48,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:24:48,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:24:48,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:24:48,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:24:48,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:24:48,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:24:48,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:24:48,128 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:24:48,128 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:24:48,129 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:24:48,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:24:48,129 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:24:48,130 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:24:48,130 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:24:48,130 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:24:48,130 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:24:48,130 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:24:48,130 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:24:48,131 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:24:48,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:24:48,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:24:48,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:24:48,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:24:48,131 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:24:48,132 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:24:48,132 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:24:48,133 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_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/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 -> 52d17bc0e7c8d869df3c1c7f8d4ee69c82adee816ff74768807d94b7498b765d [2024-11-25 02:24:48,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:24:48,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:24:48,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:24:48,586 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:24:48,587 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:24:48,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c [2024-11-25 02:24:52,138 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/data/3ed5f342d/6f3fef8e829b456b812c6ec147371737/FLAGfb2823e88 [2024-11-25 02:24:52,692 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:24:52,693 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c [2024-11-25 02:24:52,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/data/3ed5f342d/6f3fef8e829b456b812c6ec147371737/FLAGfb2823e88 [2024-11-25 02:24:53,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/data/3ed5f342d/6f3fef8e829b456b812c6ec147371737 [2024-11-25 02:24:53,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:24:53,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:24:53,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:24:53,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:24:53,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:24:53,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:24:53" (1/1) ... [2024-11-25 02:24:53,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33abecd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:53, skipping insertion in model container [2024-11-25 02:24:53,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:24:53" (1/1) ... [2024-11-25 02:24:53,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:24:53,654 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_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c[1172,1185] [2024-11-25 02:24:54,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:24:54,294 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:24:54,308 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_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c[1172,1185] [2024-11-25 02:24:54,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:24:54,644 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:24:54,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:54 WrapperNode [2024-11-25 02:24:54,646 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:24:54,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:24:54,647 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:24:54,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:24:54,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:54" (1/1) ... [2024-11-25 02:24:54,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:54" (1/1) ... [2024-11-25 02:24:54,918 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3315 [2024-11-25 02:24:54,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:24:54,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:24:54,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:24:54,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:24:54,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:54" (1/1) ... [2024-11-25 02:24:54,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:54" (1/1) ... [2024-11-25 02:24:54,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:54" (1/1) ... [2024-11-25 02:24:54,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:54" (1/1) ... [2024-11-25 02:24:55,109 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:54" (1/1) ... [2024-11-25 02:24:55,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:54" (1/1) ... [2024-11-25 02:24:55,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:54" (1/1) ... [2024-11-25 02:24:55,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:54" (1/1) ... [2024-11-25 02:24:55,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:54" (1/1) ... [2024-11-25 02:24:55,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:24:55,184 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:24:55,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:24:55,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:24:55,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:24:54" (1/1) ... [2024-11-25 02:24:55,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:24:55,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:24:55,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:24:55,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:24:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:24:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:24:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:24:55,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:24:56,121 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:24:56,123 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:25:02,504 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-11-25 02:25:02,504 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:25:02,651 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:25:02,651 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:25:02,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:25:02 BoogieIcfgContainer [2024-11-25 02:25:02,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:25:02,652 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:25:02,653 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:25:02,663 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:25:02,663 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:25:02" (1/1) ... [2024-11-25 02:25:02,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:25:02,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:25:02,731 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:25:02,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:25:02,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:02,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:02,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:25:02,738 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:25:02,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:25:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:03,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:25:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:04,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:25:04,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:25:04,454 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 02:25:04,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:25:05,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:05,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 02:25:05,026 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 02:25:05,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:25:05,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:05,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:25:05,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:25:05,030 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:25:05,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed63df8-3cf0-4160-b76a-6c6a4d47be1a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:25:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:07,165 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:25:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:07,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-25 02:25:07,956 INFO L279 TraceCheckSpWp]: Computing forward predicates...