./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop3-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_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/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_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/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_89e31c40-ff21-464e-ab3e-021f4fc24e1e/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 f27e0e10f9789cdd24d53f0cd1f7bf502a4cb07e7ef7259679870a22bc4049d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:59:51,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:59:51,708 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 01:59:51,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:59:51,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:59:51,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:59:51,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:59:51,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:59:51,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:59:51,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:59:51,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:59:51,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:59:51,734 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:59:51,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:59:51,734 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:59:51,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:59:51,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:59:51,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:59:51,734 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:59:51,734 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:59:51,735 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:59:51,735 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:59:51,735 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:59:51,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:59:51,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:59:51,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:59:51,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:59:51,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:59:51,735 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:59:51,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:59:51,735 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_89e31c40-ff21-464e-ab3e-021f4fc24e1e/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 -> f27e0e10f9789cdd24d53f0cd1f7bf502a4cb07e7ef7259679870a22bc4049d1 [2024-12-06 01:59:51,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:59:51,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:59:51,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:59:51,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:59:51,992 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:59:51,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop3-back-serstep.c [2024-12-06 01:59:54,587 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/data/394fea74a/40baa09d4ae7497f98dae4b731a9d84c/FLAGfc8530863 [2024-12-06 01:59:54,948 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:59:54,948 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop3-back-serstep.c [2024-12-06 01:59:54,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/data/394fea74a/40baa09d4ae7497f98dae4b731a9d84c/FLAGfc8530863 [2024-12-06 01:59:54,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/data/394fea74a/40baa09d4ae7497f98dae4b731a9d84c [2024-12-06 01:59:54,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:59:54,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:59:54,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:59:54,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:59:54,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:59:54,993 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:59:54" (1/1) ... [2024-12-06 01:59:54,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340172eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:59:54, skipping insertion in model container [2024-12-06 01:59:54,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:59:54" (1/1) ... [2024-12-06 01:59:55,046 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:59:55,187 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_89e31c40-ff21-464e-ab3e-021f4fc24e1e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop3-back-serstep.c[1172,1185] [2024-12-06 01:59:55,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:59:55,567 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:59:55,574 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_89e31c40-ff21-464e-ab3e-021f4fc24e1e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop3-back-serstep.c[1172,1185] [2024-12-06 01:59:55,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:59:55,766 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:59:55,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:59:55 WrapperNode [2024-12-06 01:59:55,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:59:55,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:59:55,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:59:55,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:59:55,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:59:55" (1/1) ... [2024-12-06 01:59:55,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:59:55" (1/1) ... [2024-12-06 01:59:56,537 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11628 [2024-12-06 01:59:56,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:59:56,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:59:56,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:59:56,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:59:56,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:59:55" (1/1) ... [2024-12-06 01:59:56,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:59:55" (1/1) ... [2024-12-06 01:59:56,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:59:55" (1/1) ... [2024-12-06 01:59:56,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:59:55" (1/1) ... [2024-12-06 01:59:57,146 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:59:55" (1/1) ... [2024-12-06 01:59:57,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:59:55" (1/1) ... [2024-12-06 01:59:57,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:59:55" (1/1) ... [2024-12-06 01:59:57,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:59:55" (1/1) ... [2024-12-06 01:59:57,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:59:55" (1/1) ... [2024-12-06 01:59:57,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:59:57,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:59:57,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:59:57,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:59:57,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:59:55" (1/1) ... [2024-12-06 01:59:57,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:59:57,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:59:57,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:59:57,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:59:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:59:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:59:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:59:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:59:58,127 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:59:58,129 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:00:14,007 INFO L? ?]: Removed 6198 outVars from TransFormulas that were not future-live. [2024-12-06 02:00:14,007 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:00:30,267 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:00:30,267 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:00:30,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:00:30 BoogieIcfgContainer [2024-12-06 02:00:30,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:00:30,268 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:00:30,268 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:00:30,277 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:00:30,278 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:00:30" (1/1) ... [2024-12-06 02:00:30,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:00:30,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:00:30,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:00:30,326 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:00:30,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:00:30,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:00:30,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:00:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:00:33,846 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 02:00:44,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:00:54,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:00:56,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:00:58,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:01:00,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:01:05,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:01:15,229 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 [] [2024-12-06 02:01:15,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:15,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 02:01:15,291 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 02:01:15,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:01:15,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:15,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:06:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:06:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:06:14,561 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 02:06:14,565 INFO L158 Benchmark]: Toolchain (without parser) took 379577.56ms. Allocated memory was 142.6MB in the beginning and 5.1GB in the end (delta: 4.9GB). Free memory was 112.0MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-12-06 02:06:14,565 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:06:14,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 778.37ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 112.0MB in the beginning and 272.0MB in the end (delta: -160.0MB). Peak memory consumption was 117.6MB. Max. memory is 16.1GB. [2024-12-06 02:06:14,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 770.91ms. Allocated memory was 352.3MB in the beginning and 1.1GB in the end (delta: 704.6MB). Free memory was 272.0MB in the beginning and 832.1MB in the end (delta: -560.1MB). Peak memory consumption was 231.6MB. Max. memory is 16.1GB. [2024-12-06 02:06:14,567 INFO L158 Benchmark]: Boogie Preprocessor took 990.16ms. Allocated memory was 1.1GB in the beginning and 813.7MB in the end (delta: -243.3MB). Free memory was 832.1MB in the beginning and 524.9MB in the end (delta: 307.2MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. [2024-12-06 02:06:14,567 INFO L158 Benchmark]: RCFGBuilder took 32737.78ms. Allocated memory was 813.7MB in the beginning and 3.1GB in the end (delta: 2.3GB). Free memory was 524.9MB in the beginning and 2.0GB in the end (delta: -1.4GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-12-06 02:06:14,568 INFO L158 Benchmark]: CodeCheck took 344295.49ms. Allocated memory was 3.1GB in the beginning and 5.1GB in the end (delta: 2.0GB). Free memory was 2.0GB in the beginning and 3.6GB in the end (delta: -1.6GB). Peak memory consumption was 354.6MB. Max. memory is 16.1GB. [2024-12-06 02:06:14,570 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 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 778.37ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 112.0MB in the beginning and 272.0MB in the end (delta: -160.0MB). Peak memory consumption was 117.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 770.91ms. Allocated memory was 352.3MB in the beginning and 1.1GB in the end (delta: 704.6MB). Free memory was 272.0MB in the beginning and 832.1MB in the end (delta: -560.1MB). Peak memory consumption was 231.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 990.16ms. Allocated memory was 1.1GB in the beginning and 813.7MB in the end (delta: -243.3MB). Free memory was 832.1MB in the beginning and 524.9MB in the end (delta: 307.2MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. * RCFGBuilder took 32737.78ms. Allocated memory was 813.7MB in the beginning and 3.1GB in the end (delta: 2.3GB). Free memory was 524.9MB in the beginning and 2.0GB in the end (delta: -1.4GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. * CodeCheck took 344295.49ms. Allocated memory was 3.1GB in the beginning and 5.1GB in the end (delta: 2.0GB). Free memory was 2.0GB in the beginning and 3.6GB in the end (delta: -1.6GB). Peak memory consumption was 354.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:06:14,778 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 02:06:14,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/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_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/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_89e31c40-ff21-464e-ab3e-021f4fc24e1e/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 f27e0e10f9789cdd24d53f0cd1f7bf502a4cb07e7ef7259679870a22bc4049d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:06:16,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:06:16,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 02:06:16,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:06:16,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:06:16,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:06:16,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:06:16,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:06:16,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:06:16,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:06:16,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:06:16,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:06:16,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:06:16,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:06:16,911 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:06:16,911 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:06:16,911 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:06:16,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:06:16,911 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:06:16,911 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:06:16,912 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:06:16,912 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:06:16,912 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:06:16,912 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:16,912 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:06:16,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:06:16,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:06:16,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:06:16,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:06:16,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:06:16,913 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:06:16,913 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:16,913 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:06:16,913 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_89e31c40-ff21-464e-ab3e-021f4fc24e1e/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 -> f27e0e10f9789cdd24d53f0cd1f7bf502a4cb07e7ef7259679870a22bc4049d1 [2024-12-06 02:06:17,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:06:17,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:06:17,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:06:17,147 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:06:17,148 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:06:17,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop3-back-serstep.c [2024-12-06 02:06:19,853 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/data/6be7f2c0a/af7aa084939e4dfb9c0ac6f190deed04/FLAG1f3310035 [2024-12-06 02:06:20,146 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:06:20,147 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop3-back-serstep.c [2024-12-06 02:06:20,168 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/data/6be7f2c0a/af7aa084939e4dfb9c0ac6f190deed04/FLAG1f3310035 [2024-12-06 02:06:20,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/data/6be7f2c0a/af7aa084939e4dfb9c0ac6f190deed04 [2024-12-06 02:06:20,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:06:20,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:06:20,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:06:20,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:06:20,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:06:20,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:06:20" (1/1) ... [2024-12-06 02:06:20,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e5d57b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:20, skipping insertion in model container [2024-12-06 02:06:20,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:06:20" (1/1) ... [2024-12-06 02:06:20,244 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:06:20,414 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_89e31c40-ff21-464e-ab3e-021f4fc24e1e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop3-back-serstep.c[1172,1185] [2024-12-06 02:06:20,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:06:20,725 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:06:20,732 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_89e31c40-ff21-464e-ab3e-021f4fc24e1e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop3-back-serstep.c[1172,1185] [2024-12-06 02:06:20,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:06:20,905 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:06:20,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:20 WrapperNode [2024-12-06 02:06:20,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:06:20,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:06:20,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:06:20,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:06:20,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:20" (1/1) ... [2024-12-06 02:06:20,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:20" (1/1) ... [2024-12-06 02:06:21,056 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3320 [2024-12-06 02:06:21,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:06:21,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:06:21,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:06:21,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:06:21,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:20" (1/1) ... [2024-12-06 02:06:21,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:20" (1/1) ... [2024-12-06 02:06:21,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:20" (1/1) ... [2024-12-06 02:06:21,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:20" (1/1) ... [2024-12-06 02:06:21,138 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:20" (1/1) ... [2024-12-06 02:06:21,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:20" (1/1) ... [2024-12-06 02:06:21,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:20" (1/1) ... [2024-12-06 02:06:21,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:20" (1/1) ... [2024-12-06 02:06:21,169 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:20" (1/1) ... [2024-12-06 02:06:21,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:06:21,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:06:21,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:06:21,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:06:21,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:20" (1/1) ... [2024-12-06 02:06:21,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:06:21,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:06:21,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:06:21,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:06:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:06:21,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:06:21,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:06:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:06:21,727 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:06:21,729 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:06:26,437 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-12-06 02:06:26,437 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:06:26,537 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:06:26,537 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:06:26,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:06:26 BoogieIcfgContainer [2024-12-06 02:06:26,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:06:26,538 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:06:26,538 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:06:26,547 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:06:26,547 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:06:26" (1/1) ... [2024-12-06 02:06:26,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:06:26,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:26,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:06:26,592 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:06:26,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:06:26,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:26,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:26,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:26,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:26,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:06:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:27,488 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:27,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 02:06:27,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:27,864 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 02:06:27,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:06:28,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:28,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 02:06:28,333 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 02:06:28,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:06:28,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:28,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:28,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:28,335 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:28,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e31c40-ff21-464e-ab3e-021f4fc24e1e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:06:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:29,815 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:30,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-06 02:06:30,311 INFO L279 TraceCheckSpWp]: Computing forward predicates...