./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-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_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/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_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/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_f80c45e1-703b-49b8-af50-1a08760407a9/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 c368a5b1e4d5db6a633c94e842d3c4aa563f2c319b4d62bc59c9125c12d58c94 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:41:19,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:41:19,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:41:19,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:41:19,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:41:19,798 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:41:19,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:41:19,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:41:19,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:41:19,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:41:19,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:41:19,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:41:19,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:41:19,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:41:19,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:41:19,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:41:19,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:41:19,801 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:41:19,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:41:19,801 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:41:19,801 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:41:19,801 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:41:19,802 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:41:19,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:41:19,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:41:19,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:41:19,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:41:19,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:41:19,802 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:41:19,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:41:19,803 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_f80c45e1-703b-49b8-af50-1a08760407a9/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 -> c368a5b1e4d5db6a633c94e842d3c4aa563f2c319b4d62bc59c9125c12d58c94 [2024-11-13 20:41:20,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:41:20,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:41:20,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:41:20,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:41:20,154 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:41:20,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:41:22,158 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:41:22,746 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:41:22,747 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c [2024-11-13 20:41:22,781 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/data/6325c124e/dc6af2b3b87a4679afbdb8137f333d8c/FLAG0df2c95a9 [2024-11-13 20:41:22,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/data/6325c124e/dc6af2b3b87a4679afbdb8137f333d8c [2024-11-13 20:41:22,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:41:22,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:41:22,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:41:22,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:41:22,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:41:22,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:41:22" (1/1) ... [2024-11-13 20:41:22,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e6939ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:22, skipping insertion in model container [2024-11-13 20:41:22,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:41:22" (1/1) ... [2024-11-13 20:41:22,940 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:41:23,160 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_f80c45e1-703b-49b8-af50-1a08760407a9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c[1172,1185] [2024-11-13 20:41:23,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:41:23,859 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:41:23,870 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_f80c45e1-703b-49b8-af50-1a08760407a9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c[1172,1185] [2024-11-13 20:41:24,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:41:24,255 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:41:24,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:24 WrapperNode [2024-11-13 20:41:24,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:41:24,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:41:24,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:41:24,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:41:24,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:24" (1/1) ... [2024-11-13 20:41:24,371 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:24" (1/1) ... [2024-11-13 20:41:25,684 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11629 [2024-11-13 20:41:25,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:41:25,689 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:41:25,689 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:41:25,689 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:41:25,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:24" (1/1) ... [2024-11-13 20:41:25,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:24" (1/1) ... [2024-11-13 20:41:26,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:24" (1/1) ... [2024-11-13 20:41:26,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:24" (1/1) ... [2024-11-13 20:41:26,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:24" (1/1) ... [2024-11-13 20:41:26,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:24" (1/1) ... [2024-11-13 20:41:26,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:24" (1/1) ... [2024-11-13 20:41:26,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:24" (1/1) ... [2024-11-13 20:41:26,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:41:26,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:41:26,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:41:26,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:41:26,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:24" (1/1) ... [2024-11-13 20:41:26,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:41:26,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:41:26,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:41:26,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:41:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:41:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:41:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:41:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:41:27,730 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:41:27,732 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:41:49,474 INFO L? ?]: Removed 6198 outVars from TransFormulas that were not future-live. [2024-11-13 20:41:49,475 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:42:14,234 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:42:14,234 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:42:14,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:14 BoogieIcfgContainer [2024-11-13 20:42:14,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:42:14,235 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:42:14,235 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:42:14,244 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:42:14,244 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:14" (1/1) ... [2024-11-13 20:42:14,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:42:14,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:14,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:42:14,317 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:42:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:42:14,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:14,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:19,775 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 20:42:30,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:42:40,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:42:42,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:42:52,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:43:02,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:43:02,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:02,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 20:43:02,818 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 20:43:02,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:43:02,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:02,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:47:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:47:26,457 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 20:47:26,462 INFO L158 Benchmark]: Toolchain (without parser) took 363649.48ms. Allocated memory was 117.4MB in the beginning and 6.0GB in the end (delta: 5.9GB). Free memory was 89.3MB in the beginning and 4.3GB in the end (delta: -4.2GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-13 20:47:26,463 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:47:26,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1442.06ms. Allocated memory was 117.4MB in the beginning and 125.8MB in the end (delta: 8.4MB). Free memory was 89.0MB in the beginning and 50.2MB in the end (delta: 38.8MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. [2024-11-13 20:47:26,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 1426.15ms. Allocated memory was 125.8MB in the beginning and 755.0MB in the end (delta: 629.1MB). Free memory was 50.2MB in the beginning and 547.8MB in the end (delta: -497.6MB). Peak memory consumption was 228.0MB. Max. memory is 16.1GB. [2024-11-13 20:47:26,465 INFO L158 Benchmark]: Boogie Preprocessor took 1148.93ms. Allocated memory was 755.0MB in the beginning and 704.6MB in the end (delta: -50.3MB). Free memory was 547.8MB in the beginning and 410.3MB in the end (delta: 137.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2024-11-13 20:47:26,466 INFO L158 Benchmark]: RCFGBuilder took 47395.15ms. Allocated memory was 704.6MB in the beginning and 3.3GB in the end (delta: 2.6GB). Free memory was 410.3MB in the beginning and 2.6GB in the end (delta: -2.2GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-13 20:47:26,466 INFO L158 Benchmark]: CodeCheck took 312226.00ms. Allocated memory was 3.3GB in the beginning and 6.0GB in the end (delta: 2.8GB). Free memory was 2.6GB in the beginning and 4.3GB in the end (delta: -1.7GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-13 20:47:26,473 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 0.36ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1442.06ms. Allocated memory was 117.4MB in the beginning and 125.8MB in the end (delta: 8.4MB). Free memory was 89.0MB in the beginning and 50.2MB in the end (delta: 38.8MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1426.15ms. Allocated memory was 125.8MB in the beginning and 755.0MB in the end (delta: 629.1MB). Free memory was 50.2MB in the beginning and 547.8MB in the end (delta: -497.6MB). Peak memory consumption was 228.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1148.93ms. Allocated memory was 755.0MB in the beginning and 704.6MB in the end (delta: -50.3MB). Free memory was 547.8MB in the beginning and 410.3MB in the end (delta: 137.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * RCFGBuilder took 47395.15ms. Allocated memory was 704.6MB in the beginning and 3.3GB in the end (delta: 2.6GB). Free memory was 410.3MB in the beginning and 2.6GB in the end (delta: -2.2GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 312226.00ms. Allocated memory was 3.3GB in the beginning and 6.0GB in the end (delta: 2.8GB). Free memory was 2.6GB in the beginning and 4.3GB in the end (delta: -1.7GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:47:26,686 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 20:47:26,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/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_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/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_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/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_f80c45e1-703b-49b8-af50-1a08760407a9/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 c368a5b1e4d5db6a633c94e842d3c4aa563f2c319b4d62bc59c9125c12d58c94 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:47:29,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:47:29,601 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 20:47:29,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:47:29,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:47:29,669 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:47:29,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:47:29,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:47:29,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:47:29,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:47:29,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:47:29,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:47:29,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:47:29,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:47:29,673 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:47:29,673 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:47:29,673 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:47:29,674 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:47:29,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:47:29,674 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:47:29,674 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:47:29,674 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:47:29,674 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:47:29,674 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:29,675 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:47:29,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:47:29,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:47:29,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:47:29,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:47:29,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:47:29,676 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:47:29,676 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:29,676 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:47:29,676 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_f80c45e1-703b-49b8-af50-1a08760407a9/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 -> c368a5b1e4d5db6a633c94e842d3c4aa563f2c319b4d62bc59c9125c12d58c94 [2024-11-13 20:47:30,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:47:30,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:47:30,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:47:30,013 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:47:30,013 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:47:30,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:47:31,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:47:32,498 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:47:32,499 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c [2024-11-13 20:47:32,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/data/9f0096bf7/6c5ad59935cd4f7b98ba1e4f11507c72/FLAG06b5218ac [2024-11-13 20:47:32,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/data/9f0096bf7/6c5ad59935cd4f7b98ba1e4f11507c72 [2024-11-13 20:47:32,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:47:32,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:47:32,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:47:32,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:47:32,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:47:32,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:47:32" (1/1) ... [2024-11-13 20:47:32,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@737cb000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:32, skipping insertion in model container [2024-11-13 20:47:32,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:47:32" (1/1) ... [2024-11-13 20:47:32,684 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:47:32,962 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_f80c45e1-703b-49b8-af50-1a08760407a9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c[1172,1185] [2024-11-13 20:47:33,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:47:33,666 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:47:33,678 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_f80c45e1-703b-49b8-af50-1a08760407a9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop3-back-serstep.c[1172,1185] [2024-11-13 20:47:33,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:47:34,010 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:47:34,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:34 WrapperNode [2024-11-13 20:47:34,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:47:34,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:47:34,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:47:34,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:47:34,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:34" (1/1) ... [2024-11-13 20:47:34,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:34" (1/1) ... [2024-11-13 20:47:34,243 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3321 [2024-11-13 20:47:34,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:47:34,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:47:34,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:47:34,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:47:34,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:34" (1/1) ... [2024-11-13 20:47:34,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:34" (1/1) ... [2024-11-13 20:47:34,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:34" (1/1) ... [2024-11-13 20:47:34,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:34" (1/1) ... [2024-11-13 20:47:34,367 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:34" (1/1) ... [2024-11-13 20:47:34,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:34" (1/1) ... [2024-11-13 20:47:34,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:34" (1/1) ... [2024-11-13 20:47:34,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:34" (1/1) ... [2024-11-13 20:47:34,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:47:34,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:47:34,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:47:34,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:47:34,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:47:34" (1/1) ... [2024-11-13 20:47:34,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:47:34,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:47:34,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:47:34,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:47:34,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:47:34,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:47:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:47:34,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:47:35,278 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:47:35,280 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:47:42,479 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-11-13 20:47:42,479 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:47:42,601 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:47:42,601 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:47:42,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:47:42 BoogieIcfgContainer [2024-11-13 20:47:42,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:47:42,603 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:47:42,603 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:47:42,614 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:47:42,614 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:47:42" (1/1) ... [2024-11-13 20:47:42,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:47:42,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:42,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:47:42,683 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:47:42,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:47:42,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:42,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:42,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:42,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:42,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:47:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:43,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:44,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:47:44,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:44,400 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 20:47:44,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:47:45,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:45,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 20:47:45,579 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 20:47:45,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:47:45,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:45,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:45,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:45,582 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:45,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f80c45e1-703b-49b8-af50-1a08760407a9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:47:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:47,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:48,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-13 20:47:48,557 INFO L278 TraceCheckSpWp]: Computing forward predicates...