./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.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_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/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_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/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_b7726c03-2721-4b9a-86b1-77e07db62d02/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 cefa2896cdbe73db397004945d1c4c4e84fdeccf49e16275e9444234f8acb776 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:53:08,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:53:08,809 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 16:53:08,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:53:08,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:53:08,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:53:08,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:53:08,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:53:08,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:53:08,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:53:08,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:53:08,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:53:08,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:53:08,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:53:08,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:53:08,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:53:08,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:53:08,865 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:53:08,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:53:08,865 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:53:08,865 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:53:08,866 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:53:08,866 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:53:08,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:53:08,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:53:08,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:53:08,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:53:08,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:53:08,868 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:53:08,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:53:08,868 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_b7726c03-2721-4b9a-86b1-77e07db62d02/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 -> cefa2896cdbe73db397004945d1c4c4e84fdeccf49e16275e9444234f8acb776 [2024-11-13 16:53:09,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:53:09,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:53:09,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:53:09,207 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:53:09,207 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:53:09,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 16:53:11,261 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:53:11,913 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:53:11,914 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c [2024-11-13 16:53:11,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/data/066985692/2b154875d96541048328c509829ec8c1/FLAGc69b77c79 [2024-11-13 16:53:11,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/data/066985692/2b154875d96541048328c509829ec8c1 [2024-11-13 16:53:11,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:53:11,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:53:11,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:53:11,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:53:11,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:53:11,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:53:11" (1/1) ... [2024-11-13 16:53:11,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a08d795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:11, skipping insertion in model container [2024-11-13 16:53:11,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:53:11" (1/1) ... [2024-11-13 16:53:12,080 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:53:12,302 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_b7726c03-2721-4b9a-86b1-77e07db62d02/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c[1172,1185] [2024-11-13 16:53:12,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:53:12,812 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:53:12,824 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_b7726c03-2721-4b9a-86b1-77e07db62d02/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c[1172,1185] [2024-11-13 16:53:13,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:53:13,117 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:53:13,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:13 WrapperNode [2024-11-13 16:53:13,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:53:13,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:53:13,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:53:13,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:53:13,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:13" (1/1) ... [2024-11-13 16:53:13,223 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:13" (1/1) ... [2024-11-13 16:53:14,345 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6546 [2024-11-13 16:53:14,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:53:14,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:53:14,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:53:14,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:53:14,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:13" (1/1) ... [2024-11-13 16:53:14,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:13" (1/1) ... [2024-11-13 16:53:14,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:13" (1/1) ... [2024-11-13 16:53:14,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:13" (1/1) ... [2024-11-13 16:53:14,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:13" (1/1) ... [2024-11-13 16:53:14,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:13" (1/1) ... [2024-11-13 16:53:15,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:13" (1/1) ... [2024-11-13 16:53:15,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:13" (1/1) ... [2024-11-13 16:53:15,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:53:15,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:53:15,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:53:15,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:53:15,241 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:53:13" (1/1) ... [2024-11-13 16:53:15,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:53:15,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:53:15,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:53:15,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:53:15,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:53:15,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:53:15,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:53:15,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:53:15,962 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:53:15,968 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:53:28,097 INFO L? ?]: Removed 3558 outVars from TransFormulas that were not future-live. [2024-11-13 16:53:28,098 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:53:40,781 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:53:40,782 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:53:40,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:53:40 BoogieIcfgContainer [2024-11-13 16:53:40,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:53:40,784 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:53:40,784 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:53:40,807 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:53:40,807 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:53:40" (1/1) ... [2024-11-13 16:53:40,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:53:40,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:40,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:53:40,949 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:53:40,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:53:40,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:40,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:45,622 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 16:53:55,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:54:06,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:54:07,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:54:10,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:54:14,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:54:14,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:54:14,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 16:54:14,537 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 16:54:14,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:54:14,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:54:14,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:55:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:55:39,842 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:57:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:57:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:57:18,023 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 16:57:18,030 INFO L158 Benchmark]: Toolchain (without parser) took 246048.95ms. Allocated memory was 117.4MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 91.0MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-13 16:57:18,031 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:57:18,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1135.07ms. Allocated memory was 117.4MB in the beginning and 125.8MB in the end (delta: 8.4MB). Free memory was 90.7MB in the beginning and 57.6MB in the end (delta: 33.1MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-11-13 16:57:18,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 1227.07ms. Allocated memory was 125.8MB in the beginning and 285.2MB in the end (delta: 159.4MB). Free memory was 57.6MB in the beginning and 132.2MB in the end (delta: -74.6MB). Peak memory consumption was 156.4MB. Max. memory is 16.1GB. [2024-11-13 16:57:18,038 INFO L158 Benchmark]: Boogie Preprocessor took 890.70ms. Allocated memory is still 285.2MB. Free memory was 132.2MB in the beginning and 97.3MB in the end (delta: 34.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-13 16:57:18,038 INFO L158 Benchmark]: RCFGBuilder took 25543.02ms. Allocated memory was 285.2MB in the beginning and 813.7MB in the end (delta: 528.5MB). Free memory was 97.3MB in the beginning and 457.8MB in the end (delta: -360.5MB). Peak memory consumption was 625.3MB. Max. memory is 16.1GB. [2024-11-13 16:57:18,039 INFO L158 Benchmark]: CodeCheck took 217245.95ms. Allocated memory was 813.7MB in the beginning and 2.2GB in the end (delta: 1.4GB). Free memory was 457.8MB in the beginning and 1.8GB in the end (delta: -1.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-13 16:57:18,042 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 0.48ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1135.07ms. Allocated memory was 117.4MB in the beginning and 125.8MB in the end (delta: 8.4MB). Free memory was 90.7MB in the beginning and 57.6MB in the end (delta: 33.1MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1227.07ms. Allocated memory was 125.8MB in the beginning and 285.2MB in the end (delta: 159.4MB). Free memory was 57.6MB in the beginning and 132.2MB in the end (delta: -74.6MB). Peak memory consumption was 156.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 890.70ms. Allocated memory is still 285.2MB. Free memory was 132.2MB in the beginning and 97.3MB in the end (delta: 34.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * RCFGBuilder took 25543.02ms. Allocated memory was 285.2MB in the beginning and 813.7MB in the end (delta: 528.5MB). Free memory was 97.3MB in the beginning and 457.8MB in the end (delta: -360.5MB). Peak memory consumption was 625.3MB. Max. memory is 16.1GB. * CodeCheck took 217245.95ms. Allocated memory was 813.7MB in the beginning and 2.2GB in the end (delta: 1.4GB). Free memory was 457.8MB in the beginning and 1.8GB in the end (delta: -1.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 16:57:18,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/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_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/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_b7726c03-2721-4b9a-86b1-77e07db62d02/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 cefa2896cdbe73db397004945d1c4c4e84fdeccf49e16275e9444234f8acb776 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:57:20,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:57:21,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 16:57:21,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:57:21,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:57:21,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:57:21,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:57:21,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:57:21,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:57:21,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:57:21,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:57:21,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:57:21,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:57:21,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:57:21,057 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:57:21,057 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:57:21,057 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:57:21,057 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:57:21,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:57:21,057 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:57:21,057 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:57:21,057 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:57:21,058 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:57:21,058 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:21,058 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:57:21,058 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:57:21,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:21,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:57:21,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:57:21,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:57:21,058 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:57:21,058 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:21,058 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:57:21,058 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_b7726c03-2721-4b9a-86b1-77e07db62d02/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 -> cefa2896cdbe73db397004945d1c4c4e84fdeccf49e16275e9444234f8acb776 [2024-11-13 16:57:21,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:57:21,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:57:21,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:57:21,397 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:57:21,397 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:57:21,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 16:57:23,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:57:23,752 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:57:23,753 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c [2024-11-13 16:57:23,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/data/60d6c2585/4c5b1f7cae8b4b35879d1273d8e0bfb0/FLAG3a9334146 [2024-11-13 16:57:23,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/data/60d6c2585/4c5b1f7cae8b4b35879d1273d8e0bfb0 [2024-11-13 16:57:23,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:57:23,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:57:23,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:23,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:57:23,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:57:23,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:23" (1/1) ... [2024-11-13 16:57:23,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b435473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:23, skipping insertion in model container [2024-11-13 16:57:23,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:23" (1/1) ... [2024-11-13 16:57:23,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:57:24,118 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_b7726c03-2721-4b9a-86b1-77e07db62d02/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c[1172,1185] [2024-11-13 16:57:24,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:24,589 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:57:24,600 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_b7726c03-2721-4b9a-86b1-77e07db62d02/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c[1172,1185] [2024-11-13 16:57:24,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:24,807 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:57:24,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:24 WrapperNode [2024-11-13 16:57:24,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:24,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:24,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:57:24,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:57:24,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:24" (1/1) ... [2024-11-13 16:57:24,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:24" (1/1) ... [2024-11-13 16:57:24,997 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1994 [2024-11-13 16:57:24,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:24,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:57:24,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:57:24,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:57:25,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:24" (1/1) ... [2024-11-13 16:57:25,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:24" (1/1) ... [2024-11-13 16:57:25,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:24" (1/1) ... [2024-11-13 16:57:25,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:24" (1/1) ... [2024-11-13 16:57:25,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:24" (1/1) ... [2024-11-13 16:57:25,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:24" (1/1) ... [2024-11-13 16:57:25,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:24" (1/1) ... [2024-11-13 16:57:25,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:24" (1/1) ... [2024-11-13 16:57:25,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:57:25,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:57:25,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:57:25,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:57:25,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:24" (1/1) ... [2024-11-13 16:57:25,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:25,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:57:25,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:57:25,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:57:25,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:57:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:57:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:57:25,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:57:25,733 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:57:25,735 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:57:28,937 INFO L? ?]: Removed 189 outVars from TransFormulas that were not future-live. [2024-11-13 16:57:28,937 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:57:29,035 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:57:29,036 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:57:29,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:29 BoogieIcfgContainer [2024-11-13 16:57:29,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:57:29,037 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:57:29,037 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:57:29,049 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:57:29,049 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:29" (1/1) ... [2024-11-13 16:57:29,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:57:29,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:29,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:57:29,123 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:57:29,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:57:29,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:29,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:29,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:57:29,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:57:29,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:57:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:30,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:57:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:30,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 16:57:30,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:57:30,463 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 16:57:30,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:57:30,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:30,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 16:57:30,761 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 16:57:30,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:57:30,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:30,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:57:30,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:57:30,766 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:57:30,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7726c03-2721-4b9a-86b1-77e07db62d02/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:57:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:32,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:57:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:32,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-13 16:57:32,749 INFO L278 TraceCheckSpWp]: Computing forward predicates...