./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/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_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/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_13877735-ed73-429f-923a-cc04b98e0799/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 3ef782984e81d8d56795c2fb26cedd9b1688f37cda05b15cc9bbdb350221c29b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:51:40,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:51:40,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 22:51:40,480 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:51:40,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:51:40,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:51:40,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:51:40,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:51:40,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:51:40,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:51:40,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:51:40,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:51:40,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:51:40,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:51:40,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:51:40,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:51:40,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:51:40,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:51:40,501 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:51:40,501 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:51:40,501 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:51:40,501 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:51:40,501 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:51:40,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:51:40,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:51:40,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:51:40,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:51:40,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:51:40,502 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:51:40,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:51:40,502 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_13877735-ed73-429f-923a-cc04b98e0799/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 -> 3ef782984e81d8d56795c2fb26cedd9b1688f37cda05b15cc9bbdb350221c29b [2024-12-05 22:51:40,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:51:40,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:51:40,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:51:40,727 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:51:40,727 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:51:40,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-back-serstep.c [2024-12-05 22:51:43,322 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/data/05bc350fd/1ca9ef58ad1d46eabe7472791036fca6/FLAG82acb22db [2024-12-05 22:51:43,629 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:51:43,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-back-serstep.c [2024-12-05 22:51:43,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/data/05bc350fd/1ca9ef58ad1d46eabe7472791036fca6/FLAG82acb22db [2024-12-05 22:51:43,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/data/05bc350fd/1ca9ef58ad1d46eabe7472791036fca6 [2024-12-05 22:51:43,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:51:43,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:51:43,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:51:43,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:51:43,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:51:43,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:51:43" (1/1) ... [2024-12-05 22:51:43,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605144b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:43, skipping insertion in model container [2024-12-05 22:51:43,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:51:43" (1/1) ... [2024-12-05 22:51:43,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:51:44,130 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_13877735-ed73-429f-923a-cc04b98e0799/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-back-serstep.c[1172,1185] [2024-12-05 22:51:44,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:51:44,508 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:51:44,515 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_13877735-ed73-429f-923a-cc04b98e0799/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-back-serstep.c[1172,1185] [2024-12-05 22:51:44,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:51:44,720 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:51:44,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:44 WrapperNode [2024-12-05 22:51:44,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:51:44,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:51:44,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:51:44,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:51:44,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:44" (1/1) ... [2024-12-05 22:51:44,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:44" (1/1) ... [2024-12-05 22:51:45,566 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11625 [2024-12-05 22:51:45,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:51:45,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:51:45,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:51:45,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:51:45,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:44" (1/1) ... [2024-12-05 22:51:45,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:44" (1/1) ... [2024-12-05 22:51:45,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:44" (1/1) ... [2024-12-05 22:51:45,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:44" (1/1) ... [2024-12-05 22:51:45,984 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:44" (1/1) ... [2024-12-05 22:51:46,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:44" (1/1) ... [2024-12-05 22:51:46,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:44" (1/1) ... [2024-12-05 22:51:46,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:44" (1/1) ... [2024-12-05 22:51:46,174 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:44" (1/1) ... [2024-12-05 22:51:46,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:51:46,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:51:46,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:51:46,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:51:46,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:51:44" (1/1) ... [2024-12-05 22:51:46,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:51:46,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:51:46,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:51:46,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:51:46,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:51:46,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:51:46,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:51:46,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:51:47,082 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:51:47,084 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:52:03,259 INFO L? ?]: Removed 6190 outVars from TransFormulas that were not future-live. [2024-12-05 22:52:03,260 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:52:19,905 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:52:19,905 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:52:19,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:52:19 BoogieIcfgContainer [2024-12-05 22:52:19,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:52:19,906 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:52:19,906 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:52:19,915 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:52:19,915 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:52:19" (1/1) ... [2024-12-05 22:52:19,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:52:19,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:19,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:52:19,971 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:52:19,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:52:19,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:19,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:52:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:24,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:52:35,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:52:45,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:52:46,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:52:49,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:52:58,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:53:08,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:53:08,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:08,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 22:53:08,173 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 22:53:08,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:53:08,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:08,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:58:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:58:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:58:12,865 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:58:12,868 INFO L158 Benchmark]: Toolchain (without parser) took 388961.96ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 111.7MB in the beginning and 689.1MB in the end (delta: -577.4MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-12-05 22:58:12,868 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:58:12,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 814.42ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 111.6MB in the beginning and 69.2MB in the end (delta: 42.3MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. [2024-12-05 22:58:12,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 844.43ms. Allocated memory was 151.0MB in the beginning and 377.5MB in the end (delta: 226.5MB). Free memory was 69.2MB in the beginning and 155.1MB in the end (delta: -85.9MB). Peak memory consumption was 254.3MB. Max. memory is 16.1GB. [2024-12-05 22:58:12,870 INFO L158 Benchmark]: Boogie Preprocessor took 808.41ms. Allocated memory was 377.5MB in the beginning and 922.7MB in the end (delta: 545.3MB). Free memory was 155.1MB in the beginning and 640.3MB in the end (delta: -485.2MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. [2024-12-05 22:58:12,870 INFO L158 Benchmark]: RCFGBuilder took 33528.61ms. Allocated memory was 922.7MB in the beginning and 2.6GB in the end (delta: 1.7GB). Free memory was 640.3MB in the beginning and 1.9GB in the end (delta: -1.2GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-05 22:58:12,871 INFO L158 Benchmark]: CodeCheck took 352961.04ms. Allocated memory was 2.6GB in the beginning and 2.2GB in the end (delta: -453.0MB). Free memory was 1.9GB in the beginning and 689.1MB in the end (delta: 1.2GB). Peak memory consumption was 718.8MB. Max. memory is 16.1GB. [2024-12-05 22:58:12,874 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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 814.42ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 111.6MB in the beginning and 69.2MB in the end (delta: 42.3MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 844.43ms. Allocated memory was 151.0MB in the beginning and 377.5MB in the end (delta: 226.5MB). Free memory was 69.2MB in the beginning and 155.1MB in the end (delta: -85.9MB). Peak memory consumption was 254.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 808.41ms. Allocated memory was 377.5MB in the beginning and 922.7MB in the end (delta: 545.3MB). Free memory was 155.1MB in the beginning and 640.3MB in the end (delta: -485.2MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. * RCFGBuilder took 33528.61ms. Allocated memory was 922.7MB in the beginning and 2.6GB in the end (delta: 1.7GB). Free memory was 640.3MB in the beginning and 1.9GB in the end (delta: -1.2GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 352961.04ms. Allocated memory was 2.6GB in the beginning and 2.2GB in the end (delta: -453.0MB). Free memory was 1.9GB in the beginning and 689.1MB in the end (delta: 1.2GB). Peak memory consumption was 718.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:58:13,083 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 22:58:13,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/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_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/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_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/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_13877735-ed73-429f-923a-cc04b98e0799/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 3ef782984e81d8d56795c2fb26cedd9b1688f37cda05b15cc9bbdb350221c29b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:58:14,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:58:15,056 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 22:58:15,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:58:15,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:58:15,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:58:15,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:58:15,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:58:15,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:58:15,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:58:15,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:58:15,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:58:15,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:58:15,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:58:15,083 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:58:15,083 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:58:15,083 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:58:15,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:58:15,083 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:58:15,084 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:58:15,084 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:58:15,084 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:58:15,084 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:58:15,084 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:15,084 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:58:15,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:58:15,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:58:15,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:58:15,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:58:15,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:58:15,085 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:58:15,085 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:15,085 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:58:15,085 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_13877735-ed73-429f-923a-cc04b98e0799/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 -> 3ef782984e81d8d56795c2fb26cedd9b1688f37cda05b15cc9bbdb350221c29b [2024-12-05 22:58:15,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:58:15,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:58:15,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:58:15,340 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:58:15,340 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:58:15,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-back-serstep.c [2024-12-05 22:58:18,095 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/data/a1e614a5c/5adf7780abd84bce97b66488c39bae69/FLAG54c075d1d [2024-12-05 22:58:18,400 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:58:18,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-back-serstep.c [2024-12-05 22:58:18,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/data/a1e614a5c/5adf7780abd84bce97b66488c39bae69/FLAG54c075d1d [2024-12-05 22:58:18,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/data/a1e614a5c/5adf7780abd84bce97b66488c39bae69 [2024-12-05 22:58:18,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:58:18,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:58:18,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:58:18,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:58:18,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:58:18,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:58:18" (1/1) ... [2024-12-05 22:58:18,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b4e014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:18, skipping insertion in model container [2024-12-05 22:58:18,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:58:18" (1/1) ... [2024-12-05 22:58:18,699 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:58:18,873 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_13877735-ed73-429f-923a-cc04b98e0799/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-back-serstep.c[1172,1185] [2024-12-05 22:58:19,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:58:19,197 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:58:19,207 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_13877735-ed73-429f-923a-cc04b98e0799/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.4.prop1-back-serstep.c[1172,1185] [2024-12-05 22:58:19,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:58:19,402 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:58:19,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:19 WrapperNode [2024-12-05 22:58:19,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:58:19,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:58:19,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:58:19,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:58:19,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:19" (1/1) ... [2024-12-05 22:58:19,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:19" (1/1) ... [2024-12-05 22:58:19,557 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3317 [2024-12-05 22:58:19,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:58:19,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:58:19,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:58:19,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:58:19,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:19" (1/1) ... [2024-12-05 22:58:19,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:19" (1/1) ... [2024-12-05 22:58:19,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:19" (1/1) ... [2024-12-05 22:58:19,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:19" (1/1) ... [2024-12-05 22:58:19,666 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:19" (1/1) ... [2024-12-05 22:58:19,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:19" (1/1) ... [2024-12-05 22:58:19,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:19" (1/1) ... [2024-12-05 22:58:19,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:19" (1/1) ... [2024-12-05 22:58:19,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:19" (1/1) ... [2024-12-05 22:58:19,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:58:19,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:58:19,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:58:19,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:58:19,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:58:19" (1/1) ... [2024-12-05 22:58:19,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:58:19,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:58:19,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:58:19,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:58:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:58:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:58:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:58:19,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:58:20,253 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:58:20,255 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:58:24,953 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-12-05 22:58:24,953 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:58:25,054 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:58:25,054 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:58:25,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:58:25 BoogieIcfgContainer [2024-12-05 22:58:25,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:58:25,055 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:58:25,055 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:58:25,064 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:58:25,064 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:58:25" (1/1) ... [2024-12-05 22:58:25,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:58:25,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:25,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:58:25,117 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:58:25,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:58:25,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:25,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:25,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:25,122 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:25,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:58:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:26,074 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:26,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:58:26,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:26,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:58:26,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:58:27,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:27,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:58:27,159 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:58:27,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:58:27,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:27,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:27,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:27,162 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:27,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13877735-ed73-429f-923a-cc04b98e0799/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:58:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:28,692 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:29,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-12-05 22:58:29,187 INFO L279 TraceCheckSpWp]: Computing forward predicates...