./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm --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 2cbafead8dcf7a786a4eb9c37bc6ff2d4805534261f8194eb2077940e6f3e76a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:49:21,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:49:21,660 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:49:21,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:49:21,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:49:21,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:49:21,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:49:21,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:49:21,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:49:21,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:49:21,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:49:21,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:49:21,706 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:49:21,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:49:21,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:49:21,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:49:21,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:49:21,707 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:49:21,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:49:21,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:49:21,707 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:49:21,709 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:49:21,709 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:49:21,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:49:21,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:49:21,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:49:21,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:49:21,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:49:21,710 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:49:21,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:49:21,710 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_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm 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 -> 2cbafead8dcf7a786a4eb9c37bc6ff2d4805534261f8194eb2077940e6f3e76a [2024-11-13 20:49:22,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:49:22,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:49:22,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:49:22,051 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:49:22,051 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:49:22,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:49:24,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:49:24,678 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:49:24,678 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c [2024-11-13 20:49:24,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/data/c69dbe712/cce6384af5cc40018bc39cb3038e2202/FLAG6a8824f70 [2024-11-13 20:49:24,716 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/data/c69dbe712/cce6384af5cc40018bc39cb3038e2202 [2024-11-13 20:49:24,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:49:24,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:49:24,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:49:24,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:49:24,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:49:24,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:49:24" (1/1) ... [2024-11-13 20:49:24,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea110a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:24, skipping insertion in model container [2024-11-13 20:49:24,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:49:24" (1/1) ... [2024-11-13 20:49:24,833 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:49:25,069 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_848bd757-e0b3-4a34-8acc-d4170198ee5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c[1177,1190] [2024-11-13 20:49:25,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:49:25,716 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:49:25,726 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_848bd757-e0b3-4a34-8acc-d4170198ee5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c[1177,1190] [2024-11-13 20:49:25,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:49:26,005 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:49:26,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:26 WrapperNode [2024-11-13 20:49:26,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:49:26,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:26,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:49:26,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:49:26,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:26" (1/1) ... [2024-11-13 20:49:26,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:26" (1/1) ... [2024-11-13 20:49:27,371 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9967 [2024-11-13 20:49:27,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:27,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:49:27,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:49:27,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:49:27,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:26" (1/1) ... [2024-11-13 20:49:27,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:26" (1/1) ... [2024-11-13 20:49:27,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:26" (1/1) ... [2024-11-13 20:49:27,853 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:26" (1/1) ... [2024-11-13 20:49:28,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:26" (1/1) ... [2024-11-13 20:49:28,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:26" (1/1) ... [2024-11-13 20:49:28,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:26" (1/1) ... [2024-11-13 20:49:28,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:26" (1/1) ... [2024-11-13 20:49:28,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:49:28,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:49:28,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:49:28,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:49:28,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:26" (1/1) ... [2024-11-13 20:49:28,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:49:28,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:49:28,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:49:28,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:49:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:49:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:49:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:49:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:49:29,513 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:49:29,515 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:49:47,217 INFO L? ?]: Removed 5379 outVars from TransFormulas that were not future-live. [2024-11-13 20:49:47,217 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:50:05,670 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:50:05,671 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:50:05,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:05 BoogieIcfgContainer [2024-11-13 20:50:05,672 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:50:05,673 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:50:05,673 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:50:05,685 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:50:05,686 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:05" (1/1) ... [2024-11-13 20:50:05,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:50:05,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:05,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:50:05,768 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:50:05,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:50:05,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:05,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:12,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:50:23,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:50:33,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:50:34,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:50:37,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:50:38,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:50:48,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:50:48,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:48,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 20:50:48,990 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 20:50:48,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:50:48,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:48,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:56:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:56:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:56:43,811 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 20:56:43,818 INFO L158 Benchmark]: Toolchain (without parser) took 439093.54ms. Allocated memory was 117.4MB in the beginning and 3.8GB in the end (delta: 3.7GB). Free memory was 88.5MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2024-11-13 20:56:43,819 INFO L158 Benchmark]: CDTParser took 1.20ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:43,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1281.75ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 40.2MB in the end (delta: 48.0MB). Peak memory consumption was 99.8MB. Max. memory is 16.1GB. [2024-11-13 20:56:43,822 INFO L158 Benchmark]: Boogie Procedure Inliner took 1366.30ms. Allocated memory was 117.4MB in the beginning and 780.1MB in the end (delta: 662.7MB). Free memory was 40.2MB in the beginning and 566.5MB in the end (delta: -526.2MB). Peak memory consumption was 214.9MB. Max. memory is 16.1GB. [2024-11-13 20:56:43,827 INFO L158 Benchmark]: Boogie Preprocessor took 1310.87ms. Allocated memory was 780.1MB in the beginning and 671.1MB in the end (delta: -109.1MB). Free memory was 566.5MB in the beginning and 395.4MB in the end (delta: 171.1MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-11-13 20:56:43,827 INFO L158 Benchmark]: RCFGBuilder took 36984.75ms. Allocated memory was 671.1MB in the beginning and 1.3GB in the end (delta: 587.2MB). Free memory was 395.4MB in the beginning and 188.7MB in the end (delta: 206.7MB). Peak memory consumption was 966.3MB. Max. memory is 16.1GB. [2024-11-13 20:56:43,828 INFO L158 Benchmark]: CodeCheck took 398144.08ms. Allocated memory was 1.3GB in the beginning and 3.8GB in the end (delta: 2.6GB). Free memory was 188.7MB in the beginning and 1.1GB in the end (delta: -934.9MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-13 20:56:43,831 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 1.20ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1281.75ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 40.2MB in the end (delta: 48.0MB). Peak memory consumption was 99.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1366.30ms. Allocated memory was 117.4MB in the beginning and 780.1MB in the end (delta: 662.7MB). Free memory was 40.2MB in the beginning and 566.5MB in the end (delta: -526.2MB). Peak memory consumption was 214.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1310.87ms. Allocated memory was 780.1MB in the beginning and 671.1MB in the end (delta: -109.1MB). Free memory was 566.5MB in the beginning and 395.4MB in the end (delta: 171.1MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * RCFGBuilder took 36984.75ms. Allocated memory was 671.1MB in the beginning and 1.3GB in the end (delta: 587.2MB). Free memory was 395.4MB in the beginning and 188.7MB in the end (delta: 206.7MB). Peak memory consumption was 966.3MB. Max. memory is 16.1GB. * CodeCheck took 398144.08ms. Allocated memory was 1.3GB in the beginning and 3.8GB in the end (delta: 2.6GB). Free memory was 188.7MB in the beginning and 1.1GB in the end (delta: -934.9MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:56:44,052 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 20:56:44,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/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_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm --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 2cbafead8dcf7a786a4eb9c37bc6ff2d4805534261f8194eb2077940e6f3e76a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:56:47,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:56:47,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 20:56:47,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:56:47,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:56:47,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:56:47,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:56:47,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:56:47,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:56:47,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:56:47,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:56:47,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:56:47,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:56:47,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:56:47,685 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:56:47,685 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:56:47,687 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:56:47,687 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:56:47,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:56:47,687 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:56:47,688 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:56:47,688 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:56:47,688 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:56:47,688 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:47,688 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:56:47,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:56:47,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:56:47,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:56:47,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:56:47,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:56:47,689 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:56:47,689 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:47,689 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:56:47,689 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_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm 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 -> 2cbafead8dcf7a786a4eb9c37bc6ff2d4805534261f8194eb2077940e6f3e76a [2024-11-13 20:56:48,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:56:48,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:56:48,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:56:48,177 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:56:48,177 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:56:48,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:56:50,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:56:51,137 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:56:51,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c [2024-11-13 20:56:51,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/data/95e84dbba/3663684060c048e2aadd2cfff8d5e80e/FLAGbc165b395 [2024-11-13 20:56:51,196 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/data/95e84dbba/3663684060c048e2aadd2cfff8d5e80e [2024-11-13 20:56:51,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:56:51,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:56:51,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:56:51,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:56:51,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:56:51,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:56:51" (1/1) ... [2024-11-13 20:56:51,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28658ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:51, skipping insertion in model container [2024-11-13 20:56:51,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:56:51" (1/1) ... [2024-11-13 20:56:51,365 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:56:51,653 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_848bd757-e0b3-4a34-8acc-d4170198ee5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c[1177,1190] [2024-11-13 20:56:52,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:56:52,332 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:56:52,347 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_848bd757-e0b3-4a34-8acc-d4170198ee5c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c[1177,1190] [2024-11-13 20:56:52,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:56:52,634 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:56:52,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:52 WrapperNode [2024-11-13 20:56:52,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:56:52,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:56:52,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:56:52,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:56:52,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:52" (1/1) ... [2024-11-13 20:56:52,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:52" (1/1) ... [2024-11-13 20:56:52,981 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3031 [2024-11-13 20:56:52,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:56:52,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:56:52,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:56:52,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:56:53,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:52" (1/1) ... [2024-11-13 20:56:53,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:52" (1/1) ... [2024-11-13 20:56:53,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:52" (1/1) ... [2024-11-13 20:56:53,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:52" (1/1) ... [2024-11-13 20:56:53,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:52" (1/1) ... [2024-11-13 20:56:53,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:52" (1/1) ... [2024-11-13 20:56:53,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:52" (1/1) ... [2024-11-13 20:56:53,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:52" (1/1) ... [2024-11-13 20:56:53,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:56:53,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:56:53,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:56:53,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:56:53,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:52" (1/1) ... [2024-11-13 20:56:53,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:56:53,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:56:53,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:56:53,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:56:53,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:56:53,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:56:53,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:56:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:56:54,122 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:56:54,125 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:57:06,993 INFO L? ?]: Removed 304 outVars from TransFormulas that were not future-live. [2024-11-13 20:57:06,993 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:57:07,142 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:57:07,143 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:57:07,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:07 BoogieIcfgContainer [2024-11-13 20:57:07,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:57:07,144 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:57:07,145 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:57:07,157 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:57:07,157 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:07" (1/1) ... [2024-11-13 20:57:07,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:57:07,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:07,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:57:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:57:07,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:57:07,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:07,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:07,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:07,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:07,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:57:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:08,849 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:09,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:57:09,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:09,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:57:09,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:57:13,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:57:13,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:13,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 20:57:13,609 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 20:57:13,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:57:13,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:13,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:13,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:13,615 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:13,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848bd757-e0b3-4a34-8acc-d4170198ee5c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:57:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:16,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:17,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-11-13 20:57:17,784 INFO L278 TraceCheckSpWp]: Computing forward predicates...